Alert archive / Iowa / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 172, NWS Des Moines, IA

September 17, 2022Madison County, Polk County, Warren County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Sep 17, 2022, 6:47 PM CDT for Madison County, Polk County, Warren County, Iowa. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 17, 2022, 6:47 PM CDT (23:47 UTC)
Expired: Sep 17, 2022, 7:15 PM CDT
In force: 28 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Madison County, IA, Polk County, IA, Warren County, IA

The radar

The Des Moines radar (KDMX), 31 km from the middle of the area, began a volume at 23:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 17, 6:24 PM CDT, 23 minutes earlier.

Area forecast discussion, Sep 17, 6:24 PM CDT, 23 minutes before

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Hazardous weather outlook, Sep 17, 6:31 PM CDT, 16 minutes before

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In the hours before

Special weather statement, Sep 17, 5:16 PM CDT, 1 hour 31 minutes before

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Special weather statement, Sep 17, 6:01 PM CDT, 46 minutes before

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Special weather statement, Sep 17, 6:02 PM CDT, 45 minutes before

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Local storm report, Sep 17, 6:10 PM CDT, 37 minutes before

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        Please try again in a few minutes.
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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 17, 4:56 AM CDT	Special Weather Statement	DMX	Hamilton, Webster, Wright	49 min
Sep 17, 5:45 AM CDT	Special Weather Statement	DMX	Story	45 min
Sep 17, 5:16 PM CDT	Special Weather Statement	DMX	Jasper	29 min
Sep 17, 6:01 PM CDT	Special Weather Statement	DMX	Lucas	29 min
Sep 17, 6:02 PM CDT	Special Weather Statement	DMX	Poweshiek	28 min
Sep 17, 6:27 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Monroe	48 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2022 Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.