Alert archive / Iowa / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 149, NWS Des Moines, IA

July 8, 20255 counties in Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 8, 2025, 12:56 AM CDT for 5 counties in Iowa. It was in force for 49 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: Jul 8, 2025, 12:56 AM CDT (05:56 UTC)
Expired: Jul 8, 2025, 1:45 AM CDT
In force: 49 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clarke County, IA, Decatur County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA

The radar

The Des Moines radar (KDMX), 104 km from the middle of the area, began a volume at 06:01 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 7, 9:04 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.9 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1884 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1345 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 8.3

Open this sounding in Storm Lab

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 Jul 8, 12:52 AM CDT, 4 minutes earlier.

Area forecast discussion, Jul 8, 12:52 AM CDT, 4 minutes before

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Hazardous weather outlook, Jul 7, 3:13 PM CDT, 9 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Des Moines IA
313 PM CDT Mon Jul 7 2025

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-082015-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
313 PM CDT Mon Jul 7 2025

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

Widespread thunderstorms are expected tonight. A few severe
storms with damaging wind gusts are possible. Locally heavy
rainfall and hail may occur overnight as well.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms are possible again on Tuesday then again late
Thursday into Friday, with several rounds of storms possible
during this period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible tonight.

In the hours before

Special weather statement, Jul 7, 10:12 PM CDT, 2 hours 44 minutes before

Special Weather Statement
National Weather Service Des Moines IA
1012 PM CDT Mon Jul 7 2025

IAZ034-035-044>046-057-058-080345-
Guthrie IA-Audubon IA-Calhoun IA-Webster IA-Greene IA-Carroll IA-
Crawford IA-
1012 PM CDT Mon Jul 7 2025

...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN GREENE...WESTERN
WEBSTER...NORTHWESTERN GUTHRIE...NORTHERN AUDUBON...CALHOUN...
SOUTHERN CRAWFORD AND CARROLL COUNTIES THROUGH 1045 PM CDT...

At 1012 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles east of Manson to 11 miles west of
Gowrie to 5 miles northeast of Glidden to near Irwin. Movement was
southeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Fort Dodge, Carroll, Denison, Jefferson, Audubon, Rockwell City, Lake
City, Manson, Manning, Coon Rapids, Glidden, Gowrie, North Twin Lake,
Fort Dodge Regional Airport, South Twin Lake, Manilla, Coalville,
Scranton, Otho, and Dow City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
west central Iowa.

&&

LAT...LON 4198 9567 4213 9503 4221 9486 4256 9459
      4256 9407 4210 9428 4194 9442 4166 9509
      4186 9510 4187 9567
TIME...MOT...LOC 0312Z 315DEG 29KT 4250 9439 4224 9450 4209 9463 4181
9527

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Dodson

Special weather statement, Jul 7, 10:39 PM CDT, 2 hours 17 minutes before

Special Weather Statement
National Weather Service Des Moines IA
1039 PM CDT Mon Jul 7 2025

IAZ034-035-045>047-057>059-080415-
Guthrie IA-Boone IA-Audubon IA-Calhoun IA-Webster IA-Greene IA-
Carroll IA-Dallas IA-
1039 PM CDT Mon Jul 7 2025

...STRONG THUNDERSTORMS WILL IMPACT GREENE...SOUTHWESTERN WEBSTER...
NORTHERN GUTHRIE...AUDUBON...SOUTHEASTERN CALHOUN...SOUTHERN
CARROLL...WESTERN BOONE AND NORTHWESTERN DALLAS COUNTIES THROUGH 1115
PM CDT...

At 1039 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles northeast of Gowrie to 6 miles
northeast of Jefferson to near Coon Rapids to near Audubon. Movement
was southeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Jefferson, Audubon, Guthrie Center, Ogden, Coon Rapids, Glidden,
Gowrie, Lake Panorama, Exira, Dayton, Grand Junction, Elk Horn,
Scranton, Bayard, Churdan, Farnhamville, Templeton, Kimballton,
Bagley, and Harcourt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
southwestern and west central Iowa.

&&

LAT...LON 4187 9509 4202 9482 4227 9452 4237 9444
      4224 9398 4194 9405 4177 9430 4162 9459
      4150 9502 4151 9504 4160 9504 4160 9509
TIME...MOT...LOC 0339Z 310DEG 30KT 4234 9424 4210 9430 4189 9464 4177
9485 4172 9500

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Dodson

Special weather statement, Jul 7, 11:37 PM CDT, 1 hour 19 minutes before

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Local storm report, Jul 8, 12:17 AM CDT, 39 minutes before

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Local storm report, Jul 8, 12:19 AM CDT, 37 minutes before

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Local storm report, Jul 8, 12:49 AM CDT, 7 minutes before

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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
Jul 7, 9:11 PM CDT	Special Weather Statement	DMX	Pocahontas, Sac	34 min
Jul 7, 9:41 PM CDT	Special Weather Statement	DMX	Calhoun, Carroll, Crawford, Pocahontas	34 min
Jul 7, 10:12 PM CDT	Special Weather Statement	DMX	Calhoun, Carroll, Crawford, Greene, Webster	33 min
Jul 7, 10:39 PM CDT	Special Weather Statement	DMX	Audubon, Greene, Guthrie	36 min
Jul 7, 11:20 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	25 min
Jul 7, 11:37 PM CDT	Special Weather Statement	DMX	Polk	23 min
Jul 7, 11:40 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass, Madison, Ringgold, Taylor and 1 more	50 min
Jul 7, 11:59 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	46 min
Jul 8, 12:22 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Clarke, Decatur, Ringgold, Taylor, Union	38 min
Jul 8, 12:37 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Dallas, Madison, Polk, Union, Warren	38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.