...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR CENTRAL HAMILTON COUNTY... At 842 PM CDT, a severe thunderstorm was located near Webster City, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Webster City, Jewell Junction, Ellsworth, Stanhope, Kamrar and Webster City Municipal Airport. This includes Interstate 35 between mile markers 132 and 135.