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Ended official alertUpdated

Severe Thunderstorm Warning for Jasper, IA; Marshall, IA; Polk, IA +1 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
Jasper, Marshall, Polk, Story
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 700 AM CDT, severe thunderstorms were located along a line extending from 4 miles northwest of Colo to near Baxter to Des Moines, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Des Moines, Ames, West...

What the bulletin says to do

For your protection move to an interior room on the lowest floor of a building.

Full official description

Bulletin details

At 700 AM CDT, severe thunderstorms were located along a line extending from 4 miles northwest of Colo to near Baxter to Des Moines, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Altoona, Pleasant Hill, Nevada, Windsor Heights, Carlisle, Bondurant, Polk City, Huxley, Saylorville, Mitchellville, Colfax, Slater, and State Center. This includes the following highways... Interstate 35 between mile markers 68 and 70, and between mile markers 87 and 121. Interstate 80 between mile markers 130 and 160. Interstate 235 between mile markers 2 and 14.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 13 at 7:00AM CDT until August 13 at 7:15AM CDT by NWS Des Moines IA

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 13 at 6:27AM CDT until August 13 at 7:15AM 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
Update
Last collected
Methodology and corrections