Headline:
Severe Thunderstorm Warning issued June 17 at 4:21AM CDT until June 17 at 4:45AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 17, 2026 - 2:21am
Expires:
June 17, 2026 - 2:45am
Description:
At 420 AM CDT, a severe thunderstorm was located over Jolley, or 8
miles northwest of Rockwell City, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...A 67 mph wind gust was measured at the Storm Lake airport.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Rockwell City, Manson, South Twin Lake, North Twin Lake, Pomeroy,
Fonda, Lohrville, Twin Lakes, Palmer, Knierim, Rinard, Jolley, Twin
Lakes State Park, and Rockwell City Municipal Airport.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
Area Description:
Calhoun, IA; Pocahontas, IA; Sac, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov