Headline:
Severe Thunderstorm Watch issued September 1 at 9:56PM CDT until September 2 at 5:00AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
September 1, 2026 - 7:56pm
Expires:
September 2, 2026 - 3:00am
Description:
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
640 IN EFFECT UNTIL 5 AM CDT WEDNESDAY FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 9 COUNTIES
IN NORTH CENTRAL IOWA
CERRO GORDO HANCOCK HUMBOLDT
KOSSUTH WINNEBAGO WORTH
IN NORTHWEST IOWA
EMMET PALO ALTO POCAHONTAS
THIS INCLUDES THE CITIES OF ALGONA, BRITT, CLEAR LAKE,
EMMETSBURG, ESTHERVILLE, FONDA, FOREST CITY, GARNER,
GILMORE CITY, HUMBOLDT, KANAWHA, LAKE MILLS, LAURENS, MANLY,
MASON CITY, NORTHWOOD, POCAHONTAS, AND ROLFE.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 75 MPH POSSIBLE.
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE.
A TORNADO OR TWO POSSIBLE.
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : = 75 MPH : 40%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%
MEAN STORM MOTION /MPH/ : NE 40
Area Description:
Cerro Gordo, IA; Emmet, IA; Hancock, IA; Humboldt, IA; Kossuth, IA; Palo Alto, IA; Pocahontas, IA; Winnebago, IA; Worth, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov