At 307 am cdt, severe thunderstorms were located along a line extending from conway springs to near udall, moving southeast at 60 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, derby, arkansas city, winfield, haysville, wellington, mulvane, rose hill, clearwater, douglass, belle plaine, conway springs, caldwell, oxford, udall, argonia, south haven, geuda springs, viola, rock and mayfield. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, 0. 75 in wind threat, radar indicated max wind gust, 70 mph.