Weather Alert WatchOfficial-source alert index
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Active official alertUpdated

Severe Thunderstorm Watch for Calhoun, IA; Hamilton, IA; Humboldt, IA +5 more

Official alert fields

What you need to know

Applies to
Adair, Adams, Audubon, Boone, Calhoun, Carroll, Cass, Clarke and 18 more
Effective
Ends or expires
Official severity
Severe
Official urgency
Future
Official certainty
Possible

What is happening

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS MORNING IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA HAMILTON STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN WEST CENTRAL IOWA CALHOUN SAC THIS...

What the bulletin says to do

No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.

Read official NWS bulletin

Full official description

Bulletin details

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS MORNING IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA HAMILTON STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN WEST CENTRAL IOWA CALHOUN SAC THIS INCLUDES THE CITIES OF AMES, BELMOND, CLARION, EAGLE GROVE, EARLY, FONDA, FORT DODGE, GILMORE CITY, HUMBOLDT, LAKE CITY, LAKE VIEW, LAURENS, MANSON, ODEBOLT, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, WALL LAKE, AND WEBSTER CITY. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

3 captured
  1. Update

    Severe Thunderstorm Watch issued August 12 at 4:16AM CDT until August 12 at 10:00AM CDT by NWS Des Moines IA

    Official revision
  2. Alert

    Severe Thunderstorm Watch issued August 12 at 4:16AM CDT until August 12 at 10:00AM CDT by NWS Des Moines IA

    Official revision
  3. Alert

    Severe Thunderstorm Watch issued August 12 at 2:27AM CDT until August 12 at 10:00AM CDT by NWS Des Moines IA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Des Moines IA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections