Headline:
Severe Thunderstorm Warning issued June 17 at 4:40AM CDT until June 17 at 5:15AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 17, 2026 - 2:40am
Expires:
June 17, 2026 - 3:15am
Description:
At 439 AM CDT, a severe thunderstorm was located over Somers, or 8
miles east of Rockwell City, moving east at 55 mph.
HAZARD...70 mph wind gusts and half dollar size hail.
SOURCE...Emergency management reported semis blown over on Highway
20.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Fort Dodge, Webster City, Rockwell City, Lake City, Manson, Gowrie,
North Twin Lake, Fort Dodge Regional Airport, South Twin Lake,
Dayton, Stratford, Coalville, Otho, Lehigh, Duncombe, Callender,
Farnhamville, Lohrville, Twin Lakes, and Harcourt.
Instruction:
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Area Description:
Boone, IA; Calhoun, IA; Greene, IA; Hamilton, IA; Webster, IA
Forcast Office:
NWS Des Moines IA
Sender: