Headline:
Severe Thunderstorm Warning issued May 17 at 9:24PM CDT until May 17 at 10:00PM CDT by NWS Omaha/Valley NE
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
May 17, 2026 - 7:24pm
Expires:
May 17, 2026 - 8:00pm
Description:
At 923 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northeast of Irwin to 5 miles east of Walnut
to 4 miles northwest of Griswold, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...At 916 PM, a public mesonet station reported 60 mph in
Oakland, Iowa.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Harlan, Oakland, Avoca, Treynor, Carson, Walnut, Shelby, Minden,
Earling, Irwin, Defiance, Macedonia, Panama, Hancock, Portsmouth,
Westphalia, Tennant, Kirkman, Old Town Park, and Prairie Rose State
Park.
This includes Interstate 80 in Iowa between mile markers 29 and 48.
Instruction:
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa.
For your protection move to an interior room on the lowest floor of a
building.
Area Description:
Harrison, IA; Pottawattamie, IA; Shelby, IA
Forcast Office:
NWS Omaha/Valley NE
Sender:
w-nws.webmaster@noaa.gov