Severe Thunderstorm Warning for Jasper, IA; Marshall, IA; Poweshiek, IA +1 more
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
At 730 AM CDT, severe thunderstorms were located along a line extending from 5 miles east of State Center to near Laurel to near Monroe, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marshalltown,...
What the bulletin says to do
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Full official description
Bulletin details
At 730 AM CDT, severe thunderstorms were located along a line extending from 5 miles east of State Center to near Laurel to near Monroe, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marshalltown, Newton, Grinnell, Tama, Monroe, State Center, Iowa Speedway, Meskwaki Casino, Rock Creek Lake, Le Grand, Melbourne, Sully, Kellogg, Gilman, Lynnville, Malcom, Montour, Laurel, Haverhill, and Lambs Grove. This includes Interstate 80 between mile markers 160 and 190.
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Warning issued August 13 at 7:31AM CDT until August 13 at 8:00AM CDT by NWS Des Moines IA
Official revision - Alert
Severe Thunderstorm Warning issued August 13 at 7:11AM CDT until August 13 at 8:00AM 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.
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