# Severe Thunderstorm Watch: Adair, IA; Adams, IA; Audubon, IA; Calhoun, IA; Carroll, IA; Cass, IA; Crawford, IA; Greene, IA; Guthrie, IA; Sac, IA; Union, IA — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/83147a2048d2038d

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-13 01:34 ingested 2026-08-13 07:30

[original source ↗](http://www.weather.gov/)

## extract

Severe Thunderstorm Watch — Adair, IA; Adams, IA; Audubon, IA; Calhoun, IA; Carroll, IA; Cass, IA; Crawford, IA; Greene, IA; Guthrie, IA; Sac, IA; Union, IA
Severity: Severe. Certainty: Possible.
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       : <02%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  70%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH            :  60%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              :  20%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          : <05%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  90%
MEAN STORM MOTION /MPH/                            :  E 45

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.