Alert archive / Iowa / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 174, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 28, 2025, 12:13 AM CDT for 9 counties in Iowa. It was in force for 47 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 28, 2025, 12:13 AM CDT (05:13 UTC)
- Expired
- Jul 28, 2025, 1:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hardin County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 115 km from the middle of the area, began a volume at 05:15 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 nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.2 hours before the alert went out and 238 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.
- Mixed-layer CAPE
- 2355 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1116 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 28, 12:12 AM CDT, 1 minute earlier.
Area forecast discussion, Jul 28, 12:12 AM CDT, 1 minute before
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Hazardous Weather Outlook National Weather Service Des Moines IA 802 PM CDT Sun Jul 27 2025 IAZ015-023-024-033>036-044>049-057>062-070>075-081>086-092>097- 281300- Palo Alto-Pocahontas-Humboldt-Sac-Calhoun-Webster-Hamilton- Crawford-Carroll-Greene-Boone-Story-Marshall-Audubon-Guthrie- Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion- Mahaska-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold- Decatur-Wayne-Appanoose-Davis- 802 PM CDT Sun Jul 27 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Tonight Thunderstorms will move from north to south across much of Iowa overnight, mostly after midnight. Some storms may be severe, especially over the northern half of the state, with damaging wind gusts being the primary hazard. .DAYS TWO THROUGH SEVEN...Monday through Saturday An Extreme Heat Warning is in effect for the area late Monday morning into early Monday evening. Please refer to the National Weather Service website at weather.gov/desmoines for further details. Additional thunderstorm chances are forecast Monday night into early Tuesday and then again from late Tuesday afternoon through Wednesday night. There is the potential for damaging wind gusts Monday night into early Tuesday over northern Iowa. The severe weather and flash flooding threat for later Tuesday and Wednesday will be evaluated in the coming days. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible later tonight into early Monday and later this upcoming week as well. IAZ004>007-016-017-025>028-037>039-050-281300- Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo-Wright-Franklin- Butler-Bremer-Hardin-Grundy-Black Hawk-Tama- 802 PM CDT Sun Jul 27 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Tonight Thunderstorms will move across the area overnight, mainly after midnight. Some storms may be severe, with damaging wind gusts being the primary hazard. .DAYS TWO THROUGH SEVEN...Monday through Saturday A Heat Advisory is in effect for the area late Monday morning into early Monday evening. Please refer to the National Weather Service website at weather.gov/desmoines for further details. Additional thunderstorm chances are forecast Monday night into early Tuesday and then again from late Tuesday afternoon through Wednesday night. There is the potential for damaging wind gusts Monday night into early Tuesday over northern Iowa. The severe weather and flash flooding threat for later Tuesday and Wednesday will be evaluated in the coming days. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible later tonight into early Monday and later this upcoming week as well.
In the hours before
Special weather statement, Jul 27, 11:00 PM CDT, 1 hour 13 minutes before
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</html>Local storm report, Jul 27, 11:28 PM CDT, 45 minutes before
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</html>Local storm report, Jul 27, 11:29 PM CDT, 44 minutes before
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</html>Local storm report, Jul 27, 11:35 PM CDT, 38 minutes before
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</html>Local storm report, Jul 27, 11:36 PM CDT, 37 minutes before
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</html>Local storm report, Jul 27, 11:39 PM CDT, 34 minutes before
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</html>The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 11:00 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Emmet, Franklin, Hancock, Humboldt, Kossuth and 4 more | 45 min |
| Jul 27, 11:23 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hamilton, Hancock, Hardin, Humboldt and 7 more | 52 min |
| Jul 28, 12:28 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Hancock, Humboldt, Kossuth, Palo Alto | 47 min |
| Jul 28, 1:00 AM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Butler | 30 min |
| Jul 28, 2:34 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 29 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 2025Every 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.