# Severe Thunderstorm Watch: Cerro Gordo, IA; Emmet, IA; Hancock, IA; Humboldt, IA; Kossuth, IA; Palo Alto, IA; Pocahontas, IA; Winnebago, IA; Worth, IA — retained record

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

Canonical: https://highsignal.app/data/records/cd21f3654c1403ea

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-01 21:56 ingested 2026-09-02 06:27

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

## extract

Severe Thunderstorm Watch — Cerro Gordo, IA; Emmet, IA; Hancock, IA; Humboldt, IA; Kossuth, IA; Palo Alto, IA; Pocahontas, IA; Winnebago, IA; Worth, IA
Severity: Severe. Certainty: Possible.
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       : <02%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  60%
PROB OF 1 OR MORE WIND EVENTS >= 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

## 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The historical document was shared with another weather alert and cannot be attributed to this record.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.