Hail Map for Shell Rock, IA

Date / Time	Report Details
4/16/2024 2:25 PM CDT	At 224 pm cdt, a severe thunderstorm was located 5 miles east of plainfield, or 10 miles north of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, hudson, sumner, denver, clarksville, tripoli, shell rock, greene, waterloo municipal airport, crossroads mall, uni-dome and mcleod center, janesville, readlyn, new hartford, plainfield, and frederika. This includes interstate 380 between mile markers 72 and 73.
4/16/2024 2:05 PM CDT	Svrdmx the national weather service in des moines has issued a * severe thunderstorm warning for, western black hawk county in northeastern iowa, bremer county in northeastern iowa, northern grundy county in central iowa, butler county in north central iowa, * until 245 pm cdt. * at 204 pm cdt, a severe thunderstorm was located near new hartford, or 8 miles southwest of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
4/7/2024 5:06 PM CDT	The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. therefore, the warning will be allowed to expire.
4/7/2024 4:55 PM CDT	At 454 pm cdt, a severe thunderstorm capable of producing a tornado was located over aplington, or 9 miles south of allison, moving northeast at 30 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, allison around 505 pm cdt. allison municipal airport around 510 pm cdt. Other locations impacted by this tornadic thunderstorm include allison municipal airport.
4/7/2024 4:55 PM CDT	the tornado warning has been cancelled and is no longer in effect
4/7/2024 4:44 PM CDT	Tordmx the national weather service in des moines has issued a * tornado warning for, north central grundy county in central iowa, southern butler county in north central iowa, * until 515 pm cdt. * at 444 pm cdt, a severe thunderstorm capable of producing a tornado was located over aplington, or 13 miles south of allison, moving northeast at 30 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, parkersburg and aplington around 450 pm cdt. allison around 500 pm cdt. allison municipal airport around 505 pm cdt. Other locations impacted by this tornadic thunderstorm include allison municipal airport and bristow.
8/11/2023 9:35 PM CDT	At 934 pm cdt, a severe thunderstorm was located over shell rock, or 5 miles west of waverly, moving southeast at 40 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, waverly, allison, clarksville, shell rock, plainfield, allison municipal airport, and waverly municipal airport. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
8/11/2023 9:06 PM CDT	At 906 pm cdt, a severe thunderstorm was located near marble rock, or 11 miles northwest of allison, moving southeast at 40 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/24/2023 4:35 PM CDT	At 435 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southwest of waverly, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, shell rock, janesville, waverly, waverly municipal airport and denver. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
6/24/2023 4:21 PM CDT	At 420 pm cdt, a severe thunderstorm was located over parkersburg, or 13 miles south of allison, moving northeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, new hartford around 430 pm cdt. other locations in the path of this severe thunderstorm include shell rock, janesville, waverly municipal airport, waverly and denver. hail threat, radar indicated max hail size, 1. 25 in wind threat, radar indicated max wind gust, 60 mph.
7/5/2022 8:57 PM CDT	The severe thunderstorm warning for black hawk, bremer, northeastern grundy and southeastern butler counties will expire at 900 pm cdt, the storms which prompted the warning have moved out of the area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 1000 pm cdt for central, north central and northeastern iowa.
7/5/2022 8:24 PM CDT	At 824 pm cdt, severe thunderstorms were located along a line extending from 6 miles northwest of tripoli to near reinbeck, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
7/5/2022 8:10 PM CDT	At 810 pm cdt, severe thunderstorms were located along a line extending from near nashua to near conrad, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, waterloo, cedar falls, waverly, grundy center, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, reinbeck, clarksville, tripoli, shell rock, dike, aplington, elk run heights and conrad. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
7/5/2022 7:31 PM CDT	At 730 pm cdt, severe thunderstorms were located along a line extending from 7 miles east of sheffield to 11 miles northeast of roland, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
4/23/2022 7:43 PM CDT	At 743 pm cdt, severe thunderstorms were located along a line extending from 7 miles northwest of uni-dome and mcleod center to near grundy center, moving northeast at 45 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grundy center, parkersburg, reinbeck, shell rock, dike, conrad, new hartford, holland, stout, beaman and morrison. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.
4/23/2022 7:19 PM CDT	At 718 pm cdt, severe thunderstorms were located along a line extending from near ackley to near conrad, moving northeast at 50 mph (trained weather spotters. at 700 pm, an off duty national weather service employee reported 62 mph wind 2 miles south of hubbard). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
12/15/2021 7:44 PM CST	At 743 pm cst, severe thunderstorms were located along a line extending from near shell rock to near belle plaine, moving northeast at 75 mph (trained weather spotters). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, waverly around 750 pm cst. This includes interstate 380 between mile markers 56 and 73.
12/15/2021 6:30 PM CST	At 629 pm cst, severe thunderstorms were located along a line extending from near easton to 9 miles north of grinnell, moving northeast at 110 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, toledo and tama around 635 pm cst. dysart around 645 pm cst. this includes the following highways, interstate 35 between mile markers 178 and 218. interstate 380 between mile markers 56 and 73. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 70 mph.
8/24/2021 1:41 PM CDT	At 140 pm cdt, a severe thunderstorm was located near allison, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, allison, clarksville, shell rock, dumont, new hartford, bristow, aredale and allison municipal airport. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
8/24/2021 1:24 PM CDT	At 124 pm cdt, a severe thunderstorm was located near hampton, moving east at 40 mph (hampton awos reported a 64 mph wind gust). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, aplington, dumont, new hartford, bristow, aredale and allison municipal airport. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 1. 75 in wind threat, observed max wind gust, 60 mph.
8/24/2021 1:18 PM CDT	At 117 pm cdt, a severe thunderstorm was located near hampton, moving east at 40 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
8/10/2021 2:11 PM CDT	At 211 pm cdt, a severe thunderstorm was located near tripoli, or near waverly, moving east at 30 mph (emergency management. half to one inch hail reported north of waverly at 207 pm). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, tripoli. hail threat, observed max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
8/10/2021 1:48 PM CDT	At 147 pm cdt, a severe thunderstorm was located over shell rock, or 7 miles west of waverly, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, waverly around 200 pm cdt. other locations in the path of this severe thunderstorm include tripoli. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/14/2021 5:23 PM CDT	At 523 pm cdt, a confirmed tornado was located over waverly, moving east at 45 mph (weather spotters confirmed tornado). Hazards include damaging tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. The tornado will be near, denver around 535 pm cdt.
7/14/2021 5:21 PM CDT	At 521 pm cdt, a confirmed tornado was located over waverly, moving east at 45 mph (weather spotters confirmed tornado). Hazards include damaging tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly, shell rock, janesville and waverly municipal airport.

7/14/2021 5:18 PM CDT	At 518 pm cdt, a severe thunderstorm was located near shell rock, or near waverly, moving east at 30 mph (trained weather spotters reported half-dollar size hail in clarkesville at 513 pm). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, waverly around 525 pm cdt. Other locations in the path of this severe thunderstorm include denver and tripoli.
7/14/2021 5:15 PM CDT	At 514 pm cdt, a severe thunderstorm capable of producing a tornado was located near shell rock, or near waverly, moving east at 30 mph (radar indicated rotation. a trained spotter reported half- dollar size hail in clarkesville at 513 pm). Hazards include tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly, clarksville, shell rock, janesville, plainfield and waverly municipal airport.
7/14/2021 5:08 PM CDT	At 508 pm cdt, a severe thunderstorm capable of producing a tornado was located over clarksville, or 8 miles east of allison, moving east at 25 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly.
7/14/2021 4:53 PM CDT	At 453 pm cdt, a severe thunderstorm capable of producing a tornado was located near allison, moving east at 30 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, clarksville around 500 pm cdt. shell rock around 510 pm cdt. Other locations in the path of this tornadic thunderstorm include waverly.
6/20/2021 5:39 PM CDT	The severe thunderstorm warning for western bremer, eastern franklin and butler counties will expire at 545 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds and heavy rain are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.
6/20/2021 5:27 PM CDT	At 527 pm cdt, a severe thunderstorm was located near waverly, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, clarksville, shell rock, greene, janesville, dumont, plainfield, bristow, aredale, allison municipal airport and waverly municipal airport.
6/20/2021 5:13 PM CDT	At 513 pm cdt, a severe thunderstorm was located near clarksville, or 7 miles northwest of waverly, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly.
6/20/2021 4:54 PM CDT	At 454 pm cdt, a severe thunderstorm was located 8 miles southwest of greene, or 9 miles northwest of allison, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, greene around 500 pm cdt. allison around 505 pm cdt. clarksville around 510 pm cdt. Other locations in the path of this severe thunderstorm include shell rock and waverly.
7/11/2020 4:09 PM CDT	The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 415 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however small hail is still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 800 pm cdt for central, north central and northeastern iowa. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.
7/11/2020 3:43 PM CDT	At 343 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southwest of waverly, moving southeast at 15 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, shell rock and janesville.
7/11/2020 3:34 PM CDT	Tennis Ball sized hail reported 4.6 miles NE of Shell Rock, IA, report via social media. time estimated and location estimated by radar.
7/11/2020 3:23 PM CDT	At 323 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving southeast at 15 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/9/2020 12:53 PM CDT	At 1251 pm cdt, a severe thunderstorm was located over waverly, moving north at 30 mph (public. at about 1239 pm cdt, a report of tree limbs down in cedar falls). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waterloo, cedar falls, waverly, hudson, denver, clarksville, tripoli, shell rock, waterloo municipal airport, uni-dome and mcleod center, janesville, new hartford, plainfield, frederika, george wyth state park and waverly municipal airport.
7/9/2020 12:30 PM CDT	At 1230 pm cdt, a severe thunderstorm was located over uni-dome and mcleod center, or near cedar falls, moving north at 20 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/21/2020 9:57 PM CDT	The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 1000 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire.
6/21/2020 9:36 PM CDT	At 935 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, parkersburg, shell rock, janesville, new hartford and waverly municipal airport.
6/21/2020 9:14 PM CDT	At 914 pm cdt, a severe thunderstorm was located near aplington, or 9 miles southwest of allison, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
6/21/2020 9:04 PM CDT	At 903 pm cdt, a severe thunderstorm was located near allison, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, hampton, allison, ackley, clarksville, shell rock, greene, aplington, dumont, plainfield, frederika, geneva, bristow, bradford, hansell, hampton municipal airport and allison municipal airport.
6/21/2020 8:48 PM CDT	At 847 pm cdt, a severe thunderstorm was located 8 miles east of hampton, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, hampton, allison, ackley, clarksville, shell rock, greene, aplington, dumont, plainfield, frederika, geneva, bristow, bradford, hansell, aredale, hampton municipal airport and allison municipal airport.
6/21/2020 8:30 PM CDT	At 829 pm cdt, a severe thunderstorm was located 7 miles north of iowa falls, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Emergency management reports numerous instances of 60 to 70 mph winds with these storms and trees and powerlines down.
9/9/2019 8:03 PM CDT	At 803 pm cdt, severe thunderstorms were located along a line extending from near fredericksburg to 6 miles northwest of uni-dome and mcleod center to near reinbeck, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
9/9/2019 7:50 PM CDT	At 749 pm cdt, a severe thunderstorm was located near nashua, or 11 miles northwest of waverly, moving northeast at 55 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, allison, parkersburg, clarksville, shell rock, greene, plainfield, stout, frederika, allison municipal airport and waverly municipal airport.
9/9/2019 7:33 PM CDT	At 732 pm cdt, a severe thunderstorm was located near allison, moving northeast at 85 mph (trained weather spotters. at 707 pm trained spotters reported 60 mph wind and damage to large tree limbs south of hubbard). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
9/9/2019 6:33 PM CDT	Several tree limbs... a few large ones... down throughout the town of shell rock. some were blocking street. delayed report and time estimated by rada in butler county IA, 1.6 miles NNW of Shell Rock, IA
9/9/2019 6:29 PM CDT	At 628 pm cdt, severe thunderstorms were located along a line extending from near rockwell to near shell rock to near reinbeck, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, grundy center, allison, parkersburg, reinbeck, clarksville, shell rock, dike, sheffield, greene, aplington, conrad, wellsburg, dumont, new hartford, holland, stout, beaman, lincoln, bristow and hansell.

9/9/2019 6:25 PM CDT	At 624 pm cdt, a severe thunderstorm was located near shell rock, or 9 miles southwest of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
9/9/2019 6:17 PM CDT	At 617 pm cdt, severe thunderstorms were located along a line extending from near hampton to near parkersburg to 6 miles southeast of conrad, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, hampton, eldora, grundy center, allison, parkersburg, reinbeck, ackley, clarksville, shell rock, dike, sheffield, greene, aplington, conrad, gladbrook, wellsburg, dumont, new hartford, albion and union.
9/9/2019 5:53 PM CDT	At 553 pm cdt, severe thunderstorms were located along a line extending from 7 miles east of big wall lake to 6 miles east of eldora to 7 miles southeast of state center, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
7/20/2019 12:05 PM CDT	At 1202 pm cdt, the leading edge of strong, gusty winds associated with thunderstorm outflow was located along a line extending from near nashua to 9 miles west of eldora, moving east at 60 mph (radar indicated. at 1138am tree limbs were downed with tents damaged in hampton. winds estimated at 50 to 60 mph). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. these severe thunderstorms will remain over mainly rural areas of hardin, western grundy, butler and southeastern hamilton counties, including the following locations, pine lake state park, steamboat rock, radcliffe, stout, wellsburg, garden city, union, new hartford, eldora municipal airport and new providence. This includes interstate 35 between mile markers 127 and 130.
7/20/2019 11:35 AM CDT	At 1131 am cdt, the leading edge of severe winds associated with northern iowa thunderstorms was along a line extending from sheffield to 10 miles south of webster city, moving east at 60 mph (radar indicated. at 1115am 60 mph winds were reported at the clarion airport). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, sheffield around 1135 am cdt. jewell junction around 1145 am cdt. greene around 1150 am cdt. clarksville around 1200 pm cdt. eldora around 1210 pm cdt. other locations impacted by these severe thunderstorms include steamboat rock, blairsburg, radcliffe, bradford, iowa falls municipal airport, kamrar, wellsburg, geneva, hansell and union. This includes interstate 35 between mile markers 127 and 150, and between mile markers 155 and 172.
6/30/2019 5:13 PM CDT	The severe thunderstorm warning for northern black hawk, bremer and butler counties will expire at 515 pm cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa.
6/30/2019 5:00 PM CDT	At 459 pm cdt, severe thunderstorms were located along a line extending from near jesup to near shell rock to 8 miles northwest of allison, moving south at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waterloo, cedar falls, waverly, allison, sumner, parkersburg, denver, clarksville, tripoli, shell rock, greene, aplington, waterloo municipal airport, janesville, dunkerton, readlyn, dumont, new hartford, plainfield and frederika.
6/30/2019 4:27 PM CDT	At 426 pm cdt, a severe thunderstorm was located near fredericksburg, or 12 miles south of new hampton, moving south at 35 mph (public. home weather station just west of fredericksburg reported a wind gust 65 mph). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/27/2019 4:21 PM CDT	At 421 pm cdt, a severe thunderstorm was located near allison, moving east at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/27/2019 4:12 PM CDT	At 411 pm cdt, a severe thunderstorm was located near allison, moving east at 20 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock, new hartford and allison municipal airport.
6/27/2019 3:56 PM CDT	At 356 pm cdt, a severe thunderstorm was located 9 miles west of allison, moving east at 20 mph (trained weather spotters. at 355 pm, trained spotter reported quarter size hail in dumont). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
4/17/2019 4:57 PM CDT	At 457 pm cdt, a severe thunderstorm was located over shell rock, or near waverly, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, allison, clarksville, shell rock, greene, rockwell, dumont, plainfield, frederika, bristow, aredale, dougherty, portland and allison municipal airport.
4/17/2019 4:30 PM CDT	At 430 pm cdt, a severe thunderstorm was located over aplington, or 12 miles southwest of allison, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
8/5/2018 9:58 AM CDT	At 957 am cdt, a severe thunderstorm was located near ackley, or 14 miles southwest of allison, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, iowa falls, hampton, grundy center, parkersburg, reinbeck, ackley, shell rock, dike, aplington, alden, wellsburg, new hartford, williams, steamboat rock, holland, coulter, stout, geneva, bradford and morrison. This includes interstate 35 between mile markers 145 and 148, and between mile markers 156 and 157.
8/5/2018 9:36 AM CDT	At 936 am cdt, a severe thunderstorm was located 8 miles northwest of iowa falls, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/30/2018 4:41 PM CDT	The severe thunderstorm warning for northeastern butler county will expire at 445 pm cdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa.
6/30/2018 4:26 PM CDT	At 425 pm cdt, a severe thunderstorm was located over clarksville, or 8 miles east of allison, moving northeast at 45 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock and allison municipal airport.
6/30/2018 4:12 PM CDT	At 411 pm cdt, a severe thunderstorm was located near greene, or near allison, moving east at 35 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock, greene, bristow and allison municipal airport.
6/30/2018 3:56 PM CDT	At 355 pm cdt, a severe thunderstorm was located 9 miles east of hampton, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
4/13/2018 8:55 PM CDT	The severe thunderstorm warning for northeastern franklin, northern butler and southeastern cerro gordo counties will expire at 900 pm cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. however gusty winds and heavy rain are still possible with these thunderstorms.
4/13/2018 8:44 PM CDT	At 835 pm cdt, severe thunderstorms were located along a line extending from rockwell to 7 miles west of allison to near aplington, moving northeast at 50 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, sheffield, greene, aplington, rockwell, dumont, new hartford, bristow, hansell, chapin, aredale, dougherty and allison municipal airport. This includes interstate 35 near mile marker 176.
4/13/2018 8:35 PM CDT	At 835 pm cdt, severe thunderstorms were located along a line extending from rockwell to 7 miles west of allison to near aplington, moving northeast at 50 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, sheffield, greene, aplington, rockwell, dumont, new hartford, bristow, hansell, chapin, aredale, dougherty and allison municipal airport. This includes interstate 35 near mile marker 176.
4/13/2018 8:19 PM CDT	The national weather service in des moines has issued a * severe thunderstorm warning for. eastern franklin county in north central iowa. northwestern grundy county in central iowa. butler county in north central iowa. Southeastern cerro gordo county in north central iowa.
6/28/2017 11:55 AM CDT	At 454 pm cdt, a severe thunderstorm was located near shell rock, or near waverly, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, waverly, sumner, clarksville, tripoli, shell rock, readlyn, plainfield, frederika and waverly municipal airport. A tornado watch remains in effect until 1000 pm cdt for north central and northeastern iowa.
6/28/2017 11:33 AM CDT	At 433 pm cdt, a severe thunderstorm was located over allison, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

6/22/2017 9:50 PM CDT	The severe thunderstorm warning for southeastern butler county will expire at 1000 pm cdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire.
6/22/2017 9:26 PM CDT	At 925 pm cdt, a severe thunderstorm was located near allison, moving east at 30 mph (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock and allison municipal airport.
6/22/2017 9:11 PM CDT	At 910 pm cdt, a severe thunderstorm was located near allison, moving southeast at 30 mph (radar indicated). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. locations impacted include, allison, clarksville, shell rock, dumont, bristow and allison municipal airport. People attending the butler county fair should seek safe shelter immediately!.
6/22/2017 8:55 PM CDT	At 855 pm cdt, a severe thunderstorm was located 11 miles southwest of greene, or 11 miles northwest of allison, moving east at 30 mph (radar indicated). Hazards include two inch hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
6/15/2017 7:40 PM CDT	Half Dollar sized hail reported 4.9 miles N of Shell Rock, IA, via social media.
6/15/2017 7:32 PM CDT	At 732 pm cdt, a severe thunderstorm was located over allison, moving east at 25 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, clarksville, shell rock, janesville, plainfield, bristow, allison municipal airport and waverly municipal airport.
6/15/2017 7:16 PM CDT	At 716 pm cdt, a severe thunderstorm was located near allison, moving east at 25 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
6/15/2017 6:47 PM CDT	At 647 pm cdt, a severe thunderstorm was located near allison, moving east at 35 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, parkersburg, clarksville, shell rock, new hartford and waverly municipal airport.
6/15/2017 6:36 PM CDT	At 635 pm cdt, a severe thunderstorm was located near allison, moving east at 35 mph (trained weather spotters. at 6:17pm, trained spotters reported two inch hail near hansell). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
5/17/2017 6:05 PM CDT	At 604 pm cdt, severe thunderstorms were located along a line extending from near marble rock to 6 miles west of tripoli to jesup, moving north at 55 mph (trained weather spotters. at 553 pm...70 mph winds were reported at the waterloo airport. numerous trees were reported down in town). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, denver, clarksville, tripoli, shell rock, greene, elk run heights, crossroads mall, waterloo municipal airport, uni-dome and mcleod center, janesville and washburn. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.
5/17/2017 5:47 PM CDT	At 545 pm cdt, severe thunderstorms were located along a line extending from 7 miles northeast of hampton to near shell rock to 7 miles west of la porte city, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds have been reported over northeast iowa. doppler radar indicates that the strongest winds are now moving into the southern sections of the waterloo area). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, clarksville, tripoli, shell rock, greene, aplington, elk run heights, crossroads mall, waterloo municipal airport and uni-dome and mcleod center. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.
5/17/2017 5:32 PM CDT	At 531 pm cdt, severe thunderstorms were located along a line extending from 6 miles north of iowa falls to 6 miles west of dike to near traer, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds with tree damage across central and northeastern iowa). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
5/15/2017 7:26 PM CDT	At 725 pm cdt, a severe thunderstorm was located over waverly, moving east at 45 mph (trained weather spotters have reported a history of quarter sized hail or larger and 60 mph winds). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.
5/15/2017 7:14 PM CDT	At 713 pm cdt, a severe thunderstorm was located over clarksville, or near allison, moving east at 45 mph (trained weather spotters have reported 60 mph winds and quarter sized hail or larger with these storms). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
5/15/2017 6:50 PM CDT	At 649 pm cdt, a severe thunderstorm was located over tripoli, or 9 miles northeast of waverly, moving southeast at 35 mph (trained weather spotters have reported a history of 60 mph winds with these storms ). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.
5/15/2017 6:31 PM CDT	At 631 pm cdt, a severe thunderstorm was located 8 miles southeast of nashua, or 8 miles north of waverly, moving southeast at 35 mph (trained weather spotters reported gusts to around 60 mph). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
3/23/2017 3:26 PM CDT	The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 330 pm cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire. remember, a severe thunderstorm warning still remains in effect for most of southern bremer county and the far northern portion of black hawk county east of waverly and east of janesville until 4 pm cdt this afternoon.
3/23/2017 3:05 PM CDT	At 303 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving east at 55 mph (trained spotters reported quarter sized hail just north of kesley at 2:55 pm cdt). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, waverly, allison, clarksville, shell rock, janesville and waverly municipal airport.
3/23/2017 2:51 PM CDT	At 251 pm cdt, a severe thunderstorm was located near aplington, or 7 miles southwest of allison, moving east at 55 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
3/6/2017 7:32 PM CST	At 732 pm cst, severe thunderstorms were located along a line extending from near shell rock to near conrad, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
11/28/2016 4:36 PM CST	The tornado warning for southwestern bremer and east central butler counties will expire at 445 pm cst, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.
11/28/2016 4:29 PM CST	At 429 pm cst, a severe thunderstorm capable of producing a tornado was located over shell rock, or near waverly, moving northeast at 25 mph (radar indicated rotation. this storm has a history of producing intermittent funnel clouds). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, waverly around 445 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.
11/28/2016 4:16 PM CST	At 416 pm cst, a severe thunderstorm capable of producing a tornado was located near shell rock, or 10 miles southwest of waverly, moving northeast at 35 mph (radar indicated rotation). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, shell rock around 425 pm cst. waverly around 435 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.
11/28/2016 4:06 PM CST	At 405 pm cst, a confirmed tornado was located near shell rock, or 8 miles southeast of allison, moving northeast at 30 mph (weather spotters confirmed tornado. at 4pm...a tornado with damage was reported about 2 miles north and 4 miles east of parkersburg). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this tornado will be near, shell rock around 415 pm cst. waverly around 425 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.
11/28/2016 3:59 PM CST	At 358 pm cst, a severe thunderstorm capable of producing a tornado was located near parkersburg, or 9 miles southeast of allison, moving northeast at 25 mph (radar indicated rotation). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, shell rock around 420 pm cst. waverly around 430 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.

8/4/2016 5:58 PM CDT	At 558 pm cdt, a severe thunderstorm was located near waverly, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.
6/11/2016 3:12 AM CDT	At 311 am cdt, a severe thunderstorm was located near waverly, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs. siding. and trees. Locations impacted include, waverly, denver, clarksville, shell rock, janesville, plainfield and waverly municipal airport.
6/11/2016 2:47 AM CDT	At 245 am cdt, a severe thunderstorm was located 4 miles southwest of nashua, or 11 miles south of charles city, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/22/2015 8:17 AM CDT	At 815 am cdt, severe thunderstorms were located along a line extending from near sumner to near waterloo to 8 miles southwest of eldora, moving east at 75 mph (radar indicated. at 809 am the waterloo airport reported 59 mph). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. locations impacted include, waterloo, cedar falls, waverly, iowa falls, eldora, grundy center, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, reinbeck, ackley, clarksville, tripoli, shell rock and dike. This includes interstate 380 between mile markers 57 and 73.
6/22/2015 7:55 AM CDT	Powerlines and trees blown down throughout town in butler county IA, 0.1 miles WNW of Shell Rock, IA
6/22/2015 7:54 AM CDT	At 753 am cdt, severe thunderstorms were located along a line extending from 5 miles southwest of nashua to 3 miles south of aplington to 4 miles southwest of jewell junction, moving east at 75 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs. Siding and trees.
5/3/2015 11:47 PM CDT	At 1147 pm cdt, a severe thunderstorm was located near parkersburg, or 11 miles south of allison, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding and trees.
5/19/2013 8:44 PM CDT	Trees snapped off. time estimated from rada in butler county IA, 0.1 miles WNW of Shell Rock, IA
6/20/2012 8:27 PM CDT	Tree downed in county park near shell rock. report relayed by kwwl-t in butler county IA, 0.8 miles SSE of Shell Rock, IA

4/16/2024 2:25 PM CDT

At 224 pm cdt, a severe thunderstorm was located 5 miles east of plainfield, or 10 miles north of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, hudson, sumner, denver, clarksville, tripoli, shell rock, greene, waterloo municipal airport, crossroads mall, uni-dome and mcleod center, janesville, readlyn, new hartford, plainfield, and frederika. This includes interstate 380 between mile markers 72 and 73.

4/16/2024 2:05 PM CDT

Svrdmx the national weather service in des moines has issued a * severe thunderstorm warning for, western black hawk county in northeastern iowa, bremer county in northeastern iowa, northern grundy county in central iowa, butler county in north central iowa, * until 245 pm cdt. * at 204 pm cdt, a severe thunderstorm was located near new hartford, or 8 miles southwest of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

4/7/2024 5:06 PM CDT

The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. therefore, the warning will be allowed to expire.

4/7/2024 4:55 PM CDT

At 454 pm cdt, a severe thunderstorm capable of producing a tornado was located over aplington, or 9 miles south of allison, moving northeast at 30 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, allison around 505 pm cdt. allison municipal airport around 510 pm cdt. Other locations impacted by this tornadic thunderstorm include allison municipal airport.

4/7/2024 4:55 PM CDT

the tornado warning has been cancelled and is no longer in effect

4/7/2024 4:44 PM CDT

Tordmx the national weather service in des moines has issued a * tornado warning for, north central grundy county in central iowa, southern butler county in north central iowa, * until 515 pm cdt. * at 444 pm cdt, a severe thunderstorm capable of producing a tornado was located over aplington, or 13 miles south of allison, moving northeast at 30 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, parkersburg and aplington around 450 pm cdt. allison around 500 pm cdt. allison municipal airport around 505 pm cdt. Other locations impacted by this tornadic thunderstorm include allison municipal airport and bristow.

8/11/2023 9:35 PM CDT

At 934 pm cdt, a severe thunderstorm was located over shell rock, or 5 miles west of waverly, moving southeast at 40 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, waverly, allison, clarksville, shell rock, plainfield, allison municipal airport, and waverly municipal airport. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.

8/11/2023 9:06 PM CDT

At 906 pm cdt, a severe thunderstorm was located near marble rock, or 11 miles northwest of allison, moving southeast at 40 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

6/24/2023 4:35 PM CDT

At 435 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southwest of waverly, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, shell rock, janesville, waverly, waverly municipal airport and denver. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.

6/24/2023 4:21 PM CDT

At 420 pm cdt, a severe thunderstorm was located over parkersburg, or 13 miles south of allison, moving northeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, new hartford around 430 pm cdt. other locations in the path of this severe thunderstorm include shell rock, janesville, waverly municipal airport, waverly and denver. hail threat, radar indicated max hail size, 1. 25 in wind threat, radar indicated max wind gust, 60 mph.

7/5/2022 8:57 PM CDT

The severe thunderstorm warning for black hawk, bremer, northeastern grundy and southeastern butler counties will expire at 900 pm cdt, the storms which prompted the warning have moved out of the area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 1000 pm cdt for central, north central and northeastern iowa.

7/5/2022 8:24 PM CDT

At 824 pm cdt, severe thunderstorms were located along a line extending from 6 miles northwest of tripoli to near reinbeck, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

7/5/2022 8:10 PM CDT

At 810 pm cdt, severe thunderstorms were located along a line extending from near nashua to near conrad, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, waterloo, cedar falls, waverly, grundy center, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, reinbeck, clarksville, tripoli, shell rock, dike, aplington, elk run heights and conrad. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.

7/5/2022 7:31 PM CDT

At 730 pm cdt, severe thunderstorms were located along a line extending from 7 miles east of sheffield to 11 miles northeast of roland, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

4/23/2022 7:43 PM CDT

At 743 pm cdt, severe thunderstorms were located along a line extending from 7 miles northwest of uni-dome and mcleod center to near grundy center, moving northeast at 45 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grundy center, parkersburg, reinbeck, shell rock, dike, conrad, new hartford, holland, stout, beaman and morrison. hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 60 mph.

4/23/2022 7:19 PM CDT

At 718 pm cdt, severe thunderstorms were located along a line extending from near ackley to near conrad, moving northeast at 50 mph (trained weather spotters. at 700 pm, an off duty national weather service employee reported 62 mph wind 2 miles south of hubbard). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

12/15/2021 7:44 PM CST

At 743 pm cst, severe thunderstorms were located along a line extending from near shell rock to near belle plaine, moving northeast at 75 mph (trained weather spotters). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, waverly around 750 pm cst. This includes interstate 380 between mile markers 56 and 73.

12/15/2021 6:30 PM CST

At 629 pm cst, severe thunderstorms were located along a line extending from near easton to 9 miles north of grinnell, moving northeast at 110 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, toledo and tama around 635 pm cst. dysart around 645 pm cst. this includes the following highways, interstate 35 between mile markers 178 and 218. interstate 380 between mile markers 56 and 73. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 70 mph.

8/24/2021 1:41 PM CDT

At 140 pm cdt, a severe thunderstorm was located near allison, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, allison, clarksville, shell rock, dumont, new hartford, bristow, aredale and allison municipal airport. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.

8/24/2021 1:24 PM CDT

At 124 pm cdt, a severe thunderstorm was located near hampton, moving east at 40 mph (hampton awos reported a 64 mph wind gust). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, aplington, dumont, new hartford, bristow, aredale and allison municipal airport. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 1. 75 in wind threat, observed max wind gust, 60 mph.

8/24/2021 1:18 PM CDT

At 117 pm cdt, a severe thunderstorm was located near hampton, moving east at 40 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

8/10/2021 2:11 PM CDT

At 211 pm cdt, a severe thunderstorm was located near tripoli, or near waverly, moving east at 30 mph (emergency management. half to one inch hail reported north of waverly at 207 pm). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, tripoli. hail threat, observed max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.

8/10/2021 1:48 PM CDT

At 147 pm cdt, a severe thunderstorm was located over shell rock, or 7 miles west of waverly, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, waverly around 200 pm cdt. other locations in the path of this severe thunderstorm include tripoli. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.

7/14/2021 5:23 PM CDT

At 523 pm cdt, a confirmed tornado was located over waverly, moving east at 45 mph (weather spotters confirmed tornado). Hazards include damaging tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. The tornado will be near, denver around 535 pm cdt.

7/14/2021 5:21 PM CDT

At 521 pm cdt, a confirmed tornado was located over waverly, moving east at 45 mph (weather spotters confirmed tornado). Hazards include damaging tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly, shell rock, janesville and waverly municipal airport.

7/14/2021 5:18 PM CDT

At 518 pm cdt, a severe thunderstorm was located near shell rock, or near waverly, moving east at 30 mph (trained weather spotters reported half-dollar size hail in clarkesville at 513 pm). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, waverly around 525 pm cdt. Other locations in the path of this severe thunderstorm include denver and tripoli.

7/14/2021 5:15 PM CDT

At 514 pm cdt, a severe thunderstorm capable of producing a tornado was located near shell rock, or near waverly, moving east at 30 mph (radar indicated rotation. a trained spotter reported half- dollar size hail in clarkesville at 513 pm). Hazards include tornado and half dollar size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly, clarksville, shell rock, janesville, plainfield and waverly municipal airport.

7/14/2021 5:08 PM CDT

At 508 pm cdt, a severe thunderstorm capable of producing a tornado was located over clarksville, or 8 miles east of allison, moving east at 25 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, waverly.

7/14/2021 4:53 PM CDT

At 453 pm cdt, a severe thunderstorm capable of producing a tornado was located near allison, moving east at 30 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, clarksville around 500 pm cdt. shell rock around 510 pm cdt. Other locations in the path of this tornadic thunderstorm include waverly.

6/20/2021 5:39 PM CDT

The severe thunderstorm warning for western bremer, eastern franklin and butler counties will expire at 545 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds and heavy rain are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.

6/20/2021 5:27 PM CDT

At 527 pm cdt, a severe thunderstorm was located near waverly, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, clarksville, shell rock, greene, janesville, dumont, plainfield, bristow, aredale, allison municipal airport and waverly municipal airport.

6/20/2021 5:13 PM CDT

At 513 pm cdt, a severe thunderstorm was located near clarksville, or 7 miles northwest of waverly, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly.

6/20/2021 4:54 PM CDT

At 454 pm cdt, a severe thunderstorm was located 8 miles southwest of greene, or 9 miles northwest of allison, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, greene around 500 pm cdt. allison around 505 pm cdt. clarksville around 510 pm cdt. Other locations in the path of this severe thunderstorm include shell rock and waverly.

7/11/2020 4:09 PM CDT

The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 415 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however small hail is still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 800 pm cdt for central, north central and northeastern iowa. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.

7/11/2020 3:43 PM CDT

At 343 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southwest of waverly, moving southeast at 15 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, shell rock and janesville.

7/11/2020 3:23 PM CDT

At 323 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving southeast at 15 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

7/9/2020 12:53 PM CDT

At 1251 pm cdt, a severe thunderstorm was located over waverly, moving north at 30 mph (public. at about 1239 pm cdt, a report of tree limbs down in cedar falls). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waterloo, cedar falls, waverly, hudson, denver, clarksville, tripoli, shell rock, waterloo municipal airport, uni-dome and mcleod center, janesville, new hartford, plainfield, frederika, george wyth state park and waverly municipal airport.

7/9/2020 12:30 PM CDT

At 1230 pm cdt, a severe thunderstorm was located over uni-dome and mcleod center, or near cedar falls, moving north at 20 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

6/21/2020 9:57 PM CDT

The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 1000 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire.

6/21/2020 9:36 PM CDT

At 935 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, parkersburg, shell rock, janesville, new hartford and waverly municipal airport.

6/21/2020 9:14 PM CDT

At 914 pm cdt, a severe thunderstorm was located near aplington, or 9 miles southwest of allison, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees

6/21/2020 9:04 PM CDT

At 903 pm cdt, a severe thunderstorm was located near allison, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, hampton, allison, ackley, clarksville, shell rock, greene, aplington, dumont, plainfield, frederika, geneva, bristow, bradford, hansell, hampton municipal airport and allison municipal airport.

6/21/2020 8:48 PM CDT

At 847 pm cdt, a severe thunderstorm was located 8 miles east of hampton, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, hampton, allison, ackley, clarksville, shell rock, greene, aplington, dumont, plainfield, frederika, geneva, bristow, bradford, hansell, aredale, hampton municipal airport and allison municipal airport.

6/21/2020 8:30 PM CDT

At 829 pm cdt, a severe thunderstorm was located 7 miles north of iowa falls, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Emergency management reports numerous instances of 60 to 70 mph winds with these storms and trees and powerlines down.

9/9/2019 8:03 PM CDT

At 803 pm cdt, severe thunderstorms were located along a line extending from near fredericksburg to 6 miles northwest of uni-dome and mcleod center to near reinbeck, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

9/9/2019 7:50 PM CDT

At 749 pm cdt, a severe thunderstorm was located near nashua, or 11 miles northwest of waverly, moving northeast at 55 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, allison, parkersburg, clarksville, shell rock, greene, plainfield, stout, frederika, allison municipal airport and waverly municipal airport.

9/9/2019 7:33 PM CDT

At 732 pm cdt, a severe thunderstorm was located near allison, moving northeast at 85 mph (trained weather spotters. at 707 pm trained spotters reported 60 mph wind and damage to large tree limbs south of hubbard). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

9/9/2019 6:29 PM CDT

At 628 pm cdt, severe thunderstorms were located along a line extending from near rockwell to near shell rock to near reinbeck, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, grundy center, allison, parkersburg, reinbeck, clarksville, shell rock, dike, sheffield, greene, aplington, conrad, wellsburg, dumont, new hartford, holland, stout, beaman, lincoln, bristow and hansell.

9/9/2019 6:25 PM CDT

At 624 pm cdt, a severe thunderstorm was located near shell rock, or 9 miles southwest of waverly, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

9/9/2019 6:17 PM CDT

At 617 pm cdt, severe thunderstorms were located along a line extending from near hampton to near parkersburg to 6 miles southeast of conrad, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, hampton, eldora, grundy center, allison, parkersburg, reinbeck, ackley, clarksville, shell rock, dike, sheffield, greene, aplington, conrad, gladbrook, wellsburg, dumont, new hartford, albion and union.

9/9/2019 5:53 PM CDT

At 553 pm cdt, severe thunderstorms were located along a line extending from 7 miles east of big wall lake to 6 miles east of eldora to 7 miles southeast of state center, moving northeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

7/20/2019 12:05 PM CDT

At 1202 pm cdt, the leading edge of strong, gusty winds associated with thunderstorm outflow was located along a line extending from near nashua to 9 miles west of eldora, moving east at 60 mph (radar indicated. at 1138am tree limbs were downed with tents damaged in hampton. winds estimated at 50 to 60 mph). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. these severe thunderstorms will remain over mainly rural areas of hardin, western grundy, butler and southeastern hamilton counties, including the following locations, pine lake state park, steamboat rock, radcliffe, stout, wellsburg, garden city, union, new hartford, eldora municipal airport and new providence. This includes interstate 35 between mile markers 127 and 130.

7/20/2019 11:35 AM CDT

At 1131 am cdt, the leading edge of severe winds associated with northern iowa thunderstorms was along a line extending from sheffield to 10 miles south of webster city, moving east at 60 mph (radar indicated. at 1115am 60 mph winds were reported at the clarion airport). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, sheffield around 1135 am cdt. jewell junction around 1145 am cdt. greene around 1150 am cdt. clarksville around 1200 pm cdt. eldora around 1210 pm cdt. other locations impacted by these severe thunderstorms include steamboat rock, blairsburg, radcliffe, bradford, iowa falls municipal airport, kamrar, wellsburg, geneva, hansell and union. This includes interstate 35 between mile markers 127 and 150, and between mile markers 155 and 172.

6/30/2019 5:13 PM CDT

The severe thunderstorm warning for northern black hawk, bremer and butler counties will expire at 515 pm cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa.

6/30/2019 5:00 PM CDT

At 459 pm cdt, severe thunderstorms were located along a line extending from near jesup to near shell rock to 8 miles northwest of allison, moving south at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, waterloo, cedar falls, waverly, allison, sumner, parkersburg, denver, clarksville, tripoli, shell rock, greene, aplington, waterloo municipal airport, janesville, dunkerton, readlyn, dumont, new hartford, plainfield and frederika.

6/30/2019 4:27 PM CDT

At 426 pm cdt, a severe thunderstorm was located near fredericksburg, or 12 miles south of new hampton, moving south at 35 mph (public. home weather station just west of fredericksburg reported a wind gust 65 mph). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

6/27/2019 4:21 PM CDT

At 421 pm cdt, a severe thunderstorm was located near allison, moving east at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

6/27/2019 4:12 PM CDT

At 411 pm cdt, a severe thunderstorm was located near allison, moving east at 20 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock, new hartford and allison municipal airport.

6/27/2019 3:56 PM CDT

At 356 pm cdt, a severe thunderstorm was located 9 miles west of allison, moving east at 20 mph (trained weather spotters. at 355 pm, trained spotter reported quarter size hail in dumont). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

4/17/2019 4:57 PM CDT

At 457 pm cdt, a severe thunderstorm was located over shell rock, or near waverly, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, allison, clarksville, shell rock, greene, rockwell, dumont, plainfield, frederika, bristow, aredale, dougherty, portland and allison municipal airport.

4/17/2019 4:30 PM CDT

At 430 pm cdt, a severe thunderstorm was located over aplington, or 12 miles southwest of allison, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

8/5/2018 9:58 AM CDT

At 957 am cdt, a severe thunderstorm was located near ackley, or 14 miles southwest of allison, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, iowa falls, hampton, grundy center, parkersburg, reinbeck, ackley, shell rock, dike, aplington, alden, wellsburg, new hartford, williams, steamboat rock, holland, coulter, stout, geneva, bradford and morrison. This includes interstate 35 between mile markers 145 and 148, and between mile markers 156 and 157.

8/5/2018 9:36 AM CDT

At 936 am cdt, a severe thunderstorm was located 8 miles northwest of iowa falls, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

6/30/2018 4:41 PM CDT

The severe thunderstorm warning for northeastern butler county will expire at 445 pm cdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 900 pm cdt for north central and northeastern iowa.

6/30/2018 4:26 PM CDT

At 425 pm cdt, a severe thunderstorm was located over clarksville, or 8 miles east of allison, moving northeast at 45 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock and allison municipal airport.

6/30/2018 4:12 PM CDT

At 411 pm cdt, a severe thunderstorm was located near greene, or near allison, moving east at 35 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock, greene, bristow and allison municipal airport.

6/30/2018 3:56 PM CDT

At 355 pm cdt, a severe thunderstorm was located 9 miles east of hampton, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees

4/13/2018 8:55 PM CDT

The severe thunderstorm warning for northeastern franklin, northern butler and southeastern cerro gordo counties will expire at 900 pm cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. however gusty winds and heavy rain are still possible with these thunderstorms.

4/13/2018 8:44 PM CDT

At 835 pm cdt, severe thunderstorms were located along a line extending from rockwell to 7 miles west of allison to near aplington, moving northeast at 50 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, sheffield, greene, aplington, rockwell, dumont, new hartford, bristow, hansell, chapin, aredale, dougherty and allison municipal airport. This includes interstate 35 near mile marker 176.

4/13/2018 8:35 PM CDT

At 835 pm cdt, severe thunderstorms were located along a line extending from rockwell to 7 miles west of allison to near aplington, moving northeast at 50 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, allison, parkersburg, clarksville, shell rock, sheffield, greene, aplington, rockwell, dumont, new hartford, bristow, hansell, chapin, aredale, dougherty and allison municipal airport. This includes interstate 35 near mile marker 176.

4/13/2018 8:19 PM CDT

The national weather service in des moines has issued a * severe thunderstorm warning for. eastern franklin county in north central iowa. northwestern grundy county in central iowa. butler county in north central iowa. Southeastern cerro gordo county in north central iowa.

6/28/2017 11:55 AM CDT

At 454 pm cdt, a severe thunderstorm was located near shell rock, or near waverly, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, waverly, sumner, clarksville, tripoli, shell rock, readlyn, plainfield, frederika and waverly municipal airport. A tornado watch remains in effect until 1000 pm cdt for north central and northeastern iowa.

6/28/2017 11:33 AM CDT

At 433 pm cdt, a severe thunderstorm was located over allison, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

6/22/2017 9:50 PM CDT

The severe thunderstorm warning for southeastern butler county will expire at 1000 pm cdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire.

6/22/2017 9:26 PM CDT

At 925 pm cdt, a severe thunderstorm was located near allison, moving east at 30 mph (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, allison, clarksville, shell rock and allison municipal airport.

6/22/2017 9:11 PM CDT

At 910 pm cdt, a severe thunderstorm was located near allison, moving southeast at 30 mph (radar indicated). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. locations impacted include, allison, clarksville, shell rock, dumont, bristow and allison municipal airport. People attending the butler county fair should seek safe shelter immediately!.

6/22/2017 8:55 PM CDT

At 855 pm cdt, a severe thunderstorm was located 11 miles southwest of greene, or 11 miles northwest of allison, moving east at 30 mph (radar indicated). Hazards include two inch hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.

6/15/2017 7:32 PM CDT

At 732 pm cdt, a severe thunderstorm was located over allison, moving east at 25 mph (radar indicated). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, clarksville, shell rock, janesville, plainfield, bristow, allison municipal airport and waverly municipal airport.

6/15/2017 7:16 PM CDT

At 716 pm cdt, a severe thunderstorm was located near allison, moving east at 25 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

6/15/2017 6:47 PM CDT

At 647 pm cdt, a severe thunderstorm was located near allison, moving east at 35 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, allison, parkersburg, clarksville, shell rock, new hartford and waverly municipal airport.

6/15/2017 6:36 PM CDT

At 635 pm cdt, a severe thunderstorm was located near allison, moving east at 35 mph (trained weather spotters. at 6:17pm, trained spotters reported two inch hail near hansell). Hazards include golf ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

5/17/2017 6:05 PM CDT

At 604 pm cdt, severe thunderstorms were located along a line extending from near marble rock to 6 miles west of tripoli to jesup, moving north at 55 mph (trained weather spotters. at 553 pm...70 mph winds were reported at the waterloo airport. numerous trees were reported down in town). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, denver, clarksville, tripoli, shell rock, greene, elk run heights, crossroads mall, waterloo municipal airport, uni-dome and mcleod center, janesville and washburn. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.

5/17/2017 5:47 PM CDT

At 545 pm cdt, severe thunderstorms were located along a line extending from 7 miles northeast of hampton to near shell rock to 7 miles west of la porte city, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds have been reported over northeast iowa. doppler radar indicates that the strongest winds are now moving into the southern sections of the waterloo area). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, clarksville, tripoli, shell rock, greene, aplington, elk run heights, crossroads mall, waterloo municipal airport and uni-dome and mcleod center. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.

5/17/2017 5:32 PM CDT

At 531 pm cdt, severe thunderstorms were located along a line extending from 6 miles north of iowa falls to 6 miles west of dike to near traer, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds with tree damage across central and northeastern iowa). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.

5/15/2017 7:26 PM CDT

At 725 pm cdt, a severe thunderstorm was located over waverly, moving east at 45 mph (trained weather spotters have reported a history of quarter sized hail or larger and 60 mph winds). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.

5/15/2017 7:14 PM CDT

At 713 pm cdt, a severe thunderstorm was located over clarksville, or near allison, moving east at 45 mph (trained weather spotters have reported 60 mph winds and quarter sized hail or larger with these storms). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

5/15/2017 6:50 PM CDT

At 649 pm cdt, a severe thunderstorm was located over tripoli, or 9 miles northeast of waverly, moving southeast at 35 mph (trained weather spotters have reported a history of 60 mph winds with these storms ). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.

5/15/2017 6:31 PM CDT

At 631 pm cdt, a severe thunderstorm was located 8 miles southeast of nashua, or 8 miles north of waverly, moving southeast at 35 mph (trained weather spotters reported gusts to around 60 mph). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

3/23/2017 3:26 PM CDT

The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 330 pm cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire. remember, a severe thunderstorm warning still remains in effect for most of southern bremer county and the far northern portion of black hawk county east of waverly and east of janesville until 4 pm cdt this afternoon.

3/23/2017 3:05 PM CDT

At 303 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving east at 55 mph (trained spotters reported quarter sized hail just north of kesley at 2:55 pm cdt). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, waverly, allison, clarksville, shell rock, janesville and waverly municipal airport.

3/23/2017 2:51 PM CDT

At 251 pm cdt, a severe thunderstorm was located near aplington, or 7 miles southwest of allison, moving east at 55 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

3/6/2017 7:32 PM CST

At 732 pm cst, severe thunderstorms were located along a line extending from near shell rock to near conrad, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees

11/28/2016 4:36 PM CST

The tornado warning for southwestern bremer and east central butler counties will expire at 445 pm cst, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.

11/28/2016 4:29 PM CST

At 429 pm cst, a severe thunderstorm capable of producing a tornado was located over shell rock, or near waverly, moving northeast at 25 mph (radar indicated rotation. this storm has a history of producing intermittent funnel clouds). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, waverly around 445 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.

11/28/2016 4:16 PM CST

At 416 pm cst, a severe thunderstorm capable of producing a tornado was located near shell rock, or 10 miles southwest of waverly, moving northeast at 35 mph (radar indicated rotation). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, shell rock around 425 pm cst. waverly around 435 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.

11/28/2016 4:06 PM CST

At 405 pm cst, a confirmed tornado was located near shell rock, or 8 miles southeast of allison, moving northeast at 30 mph (weather spotters confirmed tornado. at 4pm...a tornado with damage was reported about 2 miles north and 4 miles east of parkersburg). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this tornado will be near, shell rock around 415 pm cst. waverly around 425 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.

11/28/2016 3:59 PM CST

At 358 pm cst, a severe thunderstorm capable of producing a tornado was located near parkersburg, or 9 miles southeast of allison, moving northeast at 25 mph (radar indicated rotation). Hazards include tornado. Expect damage to mobile homes. roofs. and vehicles. this dangerous storm will be near, shell rock around 420 pm cst. waverly around 430 pm cst. Other locations impacted by this tornadic thunderstorm include waverly municipal airport.

8/4/2016 5:58 PM CDT

At 558 pm cdt, a severe thunderstorm was located near waverly, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.

6/11/2016 3:12 AM CDT

At 311 am cdt, a severe thunderstorm was located near waverly, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs. siding. and trees. Locations impacted include, waverly, denver, clarksville, shell rock, janesville, plainfield and waverly municipal airport.

6/11/2016 2:47 AM CDT

At 245 am cdt, a severe thunderstorm was located 4 miles southwest of nashua, or 11 miles south of charles city, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

6/22/2015 8:17 AM CDT

At 815 am cdt, severe thunderstorms were located along a line extending from near sumner to near waterloo to 8 miles southwest of eldora, moving east at 75 mph (radar indicated. at 809 am the waterloo airport reported 59 mph). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. locations impacted include, waterloo, cedar falls, waverly, iowa falls, eldora, grundy center, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, reinbeck, ackley, clarksville, tripoli, shell rock and dike. This includes interstate 380 between mile markers 57 and 73.

6/22/2015 7:54 AM CDT

At 753 am cdt, severe thunderstorms were located along a line extending from 5 miles southwest of nashua to 3 miles south of aplington to 4 miles southwest of jewell junction, moving east at 75 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs. Siding and trees.

5/3/2015 11:47 PM CDT

At 1147 pm cdt, a severe thunderstorm was located near parkersburg, or 11 miles south of allison, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding and trees.

Name:	Shell Rock, IA
Where Located:	43.5 miles SE of Mason City, IA
Map:	Google Map for Shell Rock, IA
Population:	1296
Housing Units:	588
More Info:	Search Google for Shell Rock, IA

Hail Map for Shell Rock, IA

The Top Recent Hail Date for Shell Rock, IA is Saturday, June 24, 2023 (11th out of 45)

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Hail Map for Shell Rock, IA

The Top Recent Hail Date for Shell Rock, IA is Saturday, June 24, 2023 (11th out of 45)

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