Alert archive / Iowa / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 57, NWS Des Moines, IA

April 23, 2025Jasper County, Marshall County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Apr 23, 2025, 6:22 PM CDT for Jasper County, Marshall County, Iowa. It was in force for 38 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: Apr 23, 2025, 6:22 PM CDT (23:22 UTC)
Expired: Apr 23, 2025, 7:00 PM CDT
In force: 38 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Jasper County, IA, Marshall County, IA

The radar

The Des Moines radar (KDMX), 60 km from the middle of the area, began a volume at 23:22 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 Apr 23, 3:28 PM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Apr 23, 3:28 PM CDT, 2 hours 54 minutes before

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Hazardous weather outlook, Apr 23, 3:34 PM CDT, 2 hours 48 minutes before

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In the hours before

Special weather statement, Apr 23, 3:52 PM CDT, 2 hours 30 minutes before

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Special weather statement, Apr 23, 5:53 PM CDT, 29 minutes before

Special Weather Statement
National Weather Service Des Moines IA
Issued by National Weather Service Duluth MN
553 PM CDT Wed Apr 23 2025

IAZ057-058-232330-
Guthrie IA-Audubon IA-
553 PM CDT Wed Apr 23 2025

...A strong thunderstorm will impact portions of southwestern Guthrie
and eastern Audubon Counties through 630 PM CDT
...

At 553 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles east of Audubon, moving southeast at 20 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of southwestern
Guthrie and eastern Audubon Counties, including the following
locations... Audubon County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4180 9484 4171 9445 4150 9469 4150 9473
      4169 9499
TIME...MOT...LOC 2253Z 297DEG 16KT 4169 9481

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

NLy

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 10:04 PM CDT	Special Weather Statement	DMX	Ringgold	41 min
Apr 22, 10:14 PM CDT	Special Weather Statement	DMX	Story	46 min
Apr 22, 10:20 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Story	55 min
Apr 22, 10:36 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	54 min
Apr 22, 11:02 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	43 min
Apr 22, 11:25 PM CDT	Special Weather Statement	DMX	Decatur	35 min
Apr 22, 11:44 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Tama	46 min
Apr 23, 12:59 AM CDT	Special Weather Statement	DMX	Calhoun, Sac	31 min
Apr 23, 1:30 AM CDT	Special Weather Statement	DMX	Calhoun, Sac	45 min
Apr 23, 1:57 AM CDT	Special Weather Statement	DMX	Carroll	33 min
Apr 23, 3:52 PM CDT	Special Weather Statement	DMX	Wayne	8 min
Apr 23, 5:53 PM CDT	Special Weather Statement	DMX	Audubon, Guthrie	37 min
Apr 23, 6:06 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass, Guthrie	39 min
Apr 23, 6:38 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Marshall, Tama	52 min
Apr 23, 6:40 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Poweshiek, Tama	36 min
Apr 23, 6:43 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass, Guthrie	47 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2025 Every severe thunderstorm warning in 2025

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.