Headline:
Severe Thunderstorm Watch issued August 13 at 1:34AM CDT until August 13 at 8:00AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
August 12, 2026 - 11:34pm
Expires:
August 13, 2026 - 6:00am
Description:
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
580 IN EFFECT UNTIL 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 11 COUNTIES
IN SOUTH CENTRAL IOWA
UNION
IN SOUTHWEST IOWA
ADAIR ADAMS CASS
IN WEST CENTRAL IOWA
AUDUBON CALHOUN CARROLL
CRAWFORD GREENE GUTHRIE
SAC
THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD,
CARROLL, CASEY, CORNING, CRESTON, DENISON, EARLY, EXIRA,
FONTANELLE, GREENFIELD, GUTHRIE CENTER, JEFFERSON, LAKE CITY,
LAKE VIEW, MANSON, ODEBOLT, PANORA, POMEROY, ROCKWELL CITY,
SAC CITY, SCHALLER, STUART, AND WALL LAKE.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 85
MPH LIKELY.
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE.
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 10%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : = 75 MPH : 60%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 20%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES :
Area Description:
Adair, IA; Adams, IA; Audubon, IA; Calhoun, IA; Carroll, IA; Cass, IA; Crawford, IA; Greene, IA; Guthrie, IA; Sac, IA; Union, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov