Hail Map for Longmont, CO

The Longmont, CO area has had 30 reports of on-the-ground hail by trained spotters, and has been under severe weather warnings 23 times during the past 12 months. Doppler radar has detected hail at or near Longmont, CO on 28 occasions, including 9 occasions during the past year.

Name: Longmont, CO
Where Located: 30.1 miles N of Denver, CO
Map: Google Map for Longmont, CO
Population: 86270
Housing Units: 35008
More Info: Search Google for Longmont, CO
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Hail and Wind Damage Spotted near Longmont, CO

Date / Time Report Details
8/18/2018 10:10 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/18/2018 10:13 PM MDT At 1009 pm mdt, a severe thunderstorm was located near erie, or 24 miles north of denver, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
8/14/2018 5:52 PM MDT Half Dollar sized hail reported 1.7 miles SSE of Longmont, CO
8/14/2018 5:16 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/14/2018 5:19 PM MDT At 516 pm mdt, a severe thunderstorm was located over northeastern longmont, or 22 miles southwest of greeley, moving southeast at 25 mph (trained weather spotters). Hazards include quarter size hail. damage to vehicles is expected
8/14/2018 5:13 PM MDT Half Dollar sized hail reported 2.3 miles SSE of Longmont, CO
8/14/2018 5:12 PM MDT Half Dollar sized hail reported 2 miles NE of Longmont, CO
8/14/2018 5:10 PM MDT Half Dollar sized hail reported 2.3 miles SSE of Longmont, CO
8/14/2018 4:56 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/14/2018 4:59 PM MDT At 456 pm mdt, a severe thunderstorm was located 4 miles southwest of berthoud, or 19 miles south of fort collins, moving southeast at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
8/7/2018 5:53 PM MDT Quarter sized hail reported 6.8 miles WSW of Longmont, CO
8/7/2018 5:53 PM MDT Ping Pong Ball sized hail reported 8.1 miles W of Longmont, CO
8/7/2018 5:39 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/7/2018 5:42 PM MDT At 517 pm mdt, a severe thunderstorm was located over berthoud, or 16 miles south of fort collins, moving southeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
8/7/2018 5:17 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/7/2018 5:23 PM MDT At 517 pm mdt, a severe thunderstorm was located over berthoud, or 16 miles south of fort collins, moving southeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
8/4/2018 3:47 PM MDT Estimated wind gust to 60 mp in weld county CO, 7.8 miles WNW of Longmont, CO
7/25/2018 7:08 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 7/25/2018 7:13 PM MDT At 707 pm mdt, a severe thunderstorm was located over northern commerce city, or 12 miles northeast of denver, moving southeast at 30 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. Expect damage to roofs, siding, and trees. people and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Locations impacted include, northern denver, thornton, northeastern westminster, northeastern broomfield, commerce city, northglenn, brighton, lafayette, erie, firestone, northwestern denver international airport, frederick, lochbuie, dacono and barr lake.
7/25/2018 6:38 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 7/25/2018 6:42 PM MDT At 637 pm mdt, a severe thunderstorm was located over erie, or 22 miles north of denver, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
6/19/2018 1:15 PM MDT Quarter sized hail reported 9.2 miles WNW of Longmont, CO
6/19/2018 1:01 PM MDT Half Dollar sized hail reported 4.1 miles ENE of Longmont, CO
6/19/2018 1:00 PM MDT Half Dollar sized hail reported 7.8 miles WNW of Longmont, CO
6/19/2018 1:00 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/19/2018 1:06 PM MDT At 100 pm mdt, a severe thunderstorm was located over firestone, or 22 miles southwest of greeley, moving east at 25 mph (trained weather spotters). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. locations impacted include, northeastern longmont, erie, firestone, frederick, fort lupton, dacono and mead. A tornado watch remains in effect until 700 pm mdt for northeastern colorado.
6/19/2018 12:58 PM MDT Ping Pong Ball sized hail reported 7.8 miles WNW of Longmont, CO
6/19/2018 12:50 PM MDT Ping Pong Ball sized hail reported 7.5 miles ENE of Longmont, CO
6/19/2018 12:43 PM MDT Half Dollar sized hail reported 2.2 miles NNE of Longmont, CO
6/19/2018 12:43 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/19/2018 12:47 PM MDT At 1243 pm mdt, a severe thunderstorm was located 4 miles east of niwot, moving east at 25 mph. a trained spotter reported quarter size hail near niwot at 1239 pm mdt (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, longmont, lafayette, erie, firestone, frederick, fort lupton, dacono, mead and niwot. A tornado watch remains in effect until 700 pm mdt for northeastern colorado.
6/19/2018 12:40 PM MDT Quarter sized hail reported 7.5 miles ENE of Longmont, CO
6/19/2018 12:29 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/19/2018 12:32 PM MDT At 1228 pm mdt, a severe thunderstorm was located over niwot, moving east at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/19/2018 12:18 PM MDT Quarter sized hail reported 6.6 miles NE of Longmont, CO
6/19/2018 12:16 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/19/2018 12:20 PM MDT At 1216 pm mdt, a severe thunderstorm was located over north boulder, moving east at 20 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, boulder, longmont, lafayette, erie and niwot.
6/19/2018 12:06 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/19/2018 12:11 PM MDT At 1205 pm mdt, a severe thunderstorm was located 6 miles west of boulder, moving east at 25 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is possible
6/18/2018 7:44 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 7:48 PM MDT At 744 pm mdt, a severe thunderstorm was located over lafayette, or 20 miles north of denver, moving east at 15 mph. goldball hail has been reported with this storm (trained weather spotters). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. Locations impacted include, northern thornton, northeastern westminster, southeastern longmont, broomfield, brighton, lafayette, louisville, erie, superior, frederick, dacono and niwot.
6/18/2018 7:29 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 7:33 PM MDT At 728 pm mdt, a severe thunderstorm was located near firestone, or 19 miles southwest of greeley, moving northeast at 15 mph. another severe thunderstorm was located 8 miles northwest of fort lupton moving northeast at 15 mph (radar indicated). Hazards include golf ball size hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
6/18/2018 7:24 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 7:27 PM MDT At 724 pm mdt, a severe thunderstorm was located near boulder, or 22 miles northwest of denver, moving northeast at 15 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
6/18/2018 7:18 PM MDT Golf Ball sized hail reported 7 miles W of Longmont, CO
6/18/2018 7:15 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 7:18 PM MDT At 714 pm mdt, a severe thunderstorm was located 6 miles southeast of platteville, or 17 miles south of greeley, moving northeast at 25 mph. this storm is capable of golfball size hail. another servere thunderstorm was located 4 miles southwest of platteville, capable of quarter size hail (trained weather spotters). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. Locations impacted include, eastern longmont, firestone, frederick, fort lupton, dacono, mead, platteville, hudson and keenesburg.
6/18/2018 6:59 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 7:02 PM MDT The national weather service in denver colorado has issued a * severe thunderstorm warning for. southwestern weld county in northeastern colorado. until 730 pm mdt. At 658 pm mdt, a severe thunderstorm was located 4 miles east of firestone, or 20 miles south of greeley, moving east at 25 mph.
6/18/2018 6:48 PM MDT Quarter sized hail reported 8.9 miles NW of Longmont, CO
6/18/2018 6:35 PM MDT Quarter sized hail reported 5.7 miles NNW of Longmont, CO, report via twitter.
6/18/2018 6:33 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 6:36 PM MDT At 632 pm mdt, a severe thunderstorm was located 4 miles north of erie, or 25 miles north of denver, moving east at 30 mph. a second severe thunderstorm was located 2 miles north of platteville, moving east at 30 mph. trained weather spotters reported quarter size hail just north of platteville (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, southwestern greeley, northeastern boulder, longmont, lafayette, windsor, erie, firestone, johnstown, frederick, fort lupton, milliken, berthoud, dacono, mead, platteville, hudson, keenesburg, gilcrest and niwot.
6/18/2018 6:25 PM MDT Golf Ball sized hail reported 2.3 miles SSE of Longmont, CO
6/18/2018 6:12 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 6:17 PM MDT At 611 pm mdt, a severe thunderstorm was located near boulder, or 24 miles northwest of denver, moving east at 30 mph. another servere thunderstorm was located over mead, moving east at 30 mph (trained weather spotters). Hazards include half dollar size hail. damage to vehicles is expected
6/18/2018 6:02 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 6:07 PM MDT At 601 pm mdt, a severe thunderstorm was located over northwestern boulder, moving northeast at 20 mph (trained spotters reported quarter size hail at 555 pm mdt). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, boulder, western longmont, northern broomfield, lafayette, louisville, erie, crisman, and niwot.
6/18/2018 5:44 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/18/2018 5:49 PM MDT At 544 pm mdt, a severe thunderstorm was located just east of nederland, or 10 miles southwest of boulder, moving northeast at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
5/22/2018 5:25 PM MDT Quarter sized hail reported 3.6 miles SSE of Longmont, CO
5/22/2018 5:22 PM MDT Half Dollar sized hail reported 1.7 miles SSE of Longmont, CO
5/22/2018 5:20 PM MDT Quarter sized hail reported 1.7 miles SSE of Longmont, CO
5/22/2018 5:07 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 5/22/2018 5:10 PM MDT At 506 pm mdt, a severe thunderstorm was located near longmont, or 27 miles southwest of greeley, moving north at 25 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, longmont, southwestern loveland, lafayette, erie, berthoud and niwot.
5/22/2018 4:56 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 5/22/2018 5:04 PM MDT At 456 pm mdt, a severe thunderstorm was located near erie, or 23 miles north of denver, moving north at 25 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.
5/1/2018 2:04 PM MDT Quarter sized hail reported 9.2 miles WNW of Longmont, CO
8/4/2017 7:45 PM MDT Tree branch knocked onto power lines on highway 52 near county line road. power knocked out in vicinity... including intersection of highways 52 and 28 in boulder county CO, 5.6 miles NNW of Longmont, CO
8/4/2017 7:43 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/4/2017 7:46 PM MDT At 742 pm mdt, a severe thunderstorm was located over eastern longmont, or 24 miles southwest of greeley, moving southeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
8/4/2017 7:40 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 8/4/2017 7:43 PM MDT At 739 pm mdt, a severe thunderstorm was located over northeastern longmont, or 24 miles southwest of greeley, moving southeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees
7/24/2016 4:06 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 7/24/2016 4:10 PM MDT At 404 pm mdt, a severe thunderstorm was located near platteville, or 12 miles south of greeley, moving east at 20 mph (radar indicated). Hazards include golf ball size hail and 70 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.
7/19/2016 6:36 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 7/19/2016 6:40 PM MDT At 635 pm mdt, a severe thunderstorm was located near sunshine, or 31 miles northwest of denver, moving northeast at 20 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.
6/23/2016 4:47 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/23/2016 4:50 PM MDT At 447 pm mdt, a severe thunderstorm was located near mead, or 20 miles southwest of greeley, moving east at 20 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.
6/6/2016 6:17 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/6/2016 6:20 PM MDT At 616 pm mdt, severe thunderstorms were located along a line extending from 3 miles southeast of platteville to near firestone, or along a line extending from 17 miles south of greeley to 28 miles south of fort collins, moving south 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.
6/6/2016 3:57 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/6/2016 4:00 PM MDT At 357 pm mdt, a severe thunderstorm was located 4 miles northeast of sunshine, or 30 miles northwest of denver, moving southeast at 15 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/25/2015 11:21 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/25/2015 11:24 PM MDT The severe thunderstorm warning for west central weld and southeastern larimer counties will expire at 1130 pm mdt, 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 small hail and heavy rain are still possible with this thunderstorm.
6/25/2015 10:58 PM MDT Radar Image for Severe Thunderstorms near Longmont, CO at 6/25/2015 11:02 PM MDT At 1058 pm mdt, a severe thunderstorm was located near berthoud, or 15 miles south of fort collins, moving southeast at 40 mph (radar indicated). Hazards include half dollar size hail. damage to vehicles is expected
6/13/2015 5:53 PM MDT Quarter sized hail reported 7.5 miles WNW of Longmont, CO, spotter was near platteville
6/4/2015 9:17 PM MDT At 915 pm mdt, a severe thunderstorm was located near longmont, or 26 miles south of fort collins, moving east at 10 mph. another developing thunderstorm was located over broomfield, also moving east at 10 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/4/2015 8:49 PM MDT At 847 pm mdt, a severe thunderstorm was located 4 miles east of lyons, or 24 miles south of fort collins, moving east at 10 mph. thunderstorms between lyons and longmont have been nearly stationary for the past hour and a half (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/4/2015 8:30 PM MDT Quarter sized hail reported 2.3 miles SSE of Longmont, CO
6/4/2015 8:30 PM MDT Quarter sized hail reported 3.3 miles SE of Longmont, CO
6/4/2015 8:10 PM MDT Half Dollar sized hail reported 1.5 miles SSE of Longmont, CO
6/4/2015 8:09 PM MDT At 807 pm mdt, a severe thunderstorm was located 4 miles south of lyons, or 29 miles south of fort collins, moving south at 15 mph. spotters in the berthoud area have been reporting brief funnel clouds and possible brief tornado touchdowns. heavy rains in the area will also produce flash flooding problems through this evening (radar indicated). Hazards include half dollar size hail. Damage to vehicles is expected. locations impacted include, longmont and lyons. A tornado watch remains in effect until 1000 pm mdt for central colorado.
6/4/2015 7:54 PM MDT At 753 pm mdt, a severe thunderstorm was located over lyons, or 27 miles southwest of fort collins, moving southwest at 20 mph (radar indicated). Hazards include half dollar size hail. damage to vehicles is expected
6/4/2015 7:03 PM MDT At 702 pm mdt, a confirmed tornado was located 5 miles northeast of lyons, or 21 miles south of fort collins, moving west at 15 mph (weather spotters confirmed tornado. no recent reports of a tornado have been received, but it is possible for a tornado to develop). 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.
6/4/2015 6:54 PM MDT At 653 pm mdt, a confirmed tornado was located 4 miles northwest of longmont, or 22 miles south of fort collins, moving west at 15 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, northern longmont.
6/4/2015 6:52 PM MDT At 651 pm mdt, a confirmed tornado was located 4 miles northwest of longmont, or 22 miles south of fort collins, moving west at 15 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, northern longmont, johnstown, milliken, berthoud and mead.
6/4/2015 6:38 PM MDT At 637 pm mdt, a confirmed tornado was located near berthoud, or 21 miles south of fort collins, moving west at 15 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.
6/4/2015 6:37 PM MDT At 637 pm mdt, a confirmed tornado was located near berthoud, or 21 miles south of fort collins, moving west at 15 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.
6/4/2015 6:29 PM MDT At 627 pm mdt, a severe thunderstorm was located 4 miles east of berthoud, or 15 miles southwest of greeley, moving south at 5 mph (trained weather spotters have reported large hail at several locations in northeast boulder, southeast larimer and south weld counties. some brief funnel clouds have also been reported). Hazards include half dollar size hail. Damage to vehicles is expected. heavy rain may also cause localized flooding or standing water, especially along the i-25 corridor between berthoud and loveland. locations impacted include, longmont, loveland, lafayette, windsor, erie, firestone, johnstown, frederick, milliken, berthoud, dacono and mead. A tornado watch remains in effect until 1000 pm mdt for northeastern colorado.
6/4/2015 6:11 PM MDT At 609 pm mdt, a severe thunderstorm was located near berthoud, or 15 miles south of fort collins, moving north at 20 mph. an additional thunderstorm was located between erie and dacono, alslo moving north at 20 mph (radar indicated. spotter reports from loveland indicate half-inch to one-inch diamater hail has fallen). Hazards include half dollar size hail. damage to vehicles is expected
6/3/2015 7:18 PM MDT At 718 pm mdt, a severe thunderstorm was located over loveland, or 8 miles south of fort collins, moving north 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.
5/15/2015 1:48 PM MDT At 147 pm mdt, a severe thunderstorm was located over frederick, or 23 miles south of greeley, moving northeast 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.
5/15/2015 1:47 PM MDT At 146 pm mdt, a severe thunderstorm was located over frederick, or 24 miles south of greeley, moving northeast 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.
7/14/2014 4:51 PM MDT Storm damage reported in weld county CO, 8.1 miles NW of Longmont, CO
3/30/2014 9:57 PM MDT Storm damage reported in boulder county CO, 2.3 miles SSE of Longmont, CO
6/28/2013 8:58 PM MDT Ping Pong Ball sized hail reported 1.4 miles WSW of Longmont, CO
6/28/2013 8:57 PM MDT Golf Ball sized hail reported 1 miles E of Longmont, CO
6/28/2013 8:53 PM MDT Quarter sized hail reported 7.5 miles WSW of Longmont, CO
9/3/2012 5:11 PM MDT Storm damage reported in boulder county CO, 3.7 miles SE of Longmont, CO
9/3/2012 5:05 PM MDT Storm damage reported in boulder county CO, 2.3 miles SSE of Longmont, CO
1/1/0001 12:00 AM Quarter sized hail reported 10 miles SE of Longmont, CO, southwest edge of carter lake