Alert archive / Iowa / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 229, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 10, 2024, 2:23 PM CDT for 4 counties in Iowa. It was in force for 52 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 10, 2024, 2:23 PM CDT (19:23 UTC)
- Expired
- Jul 10, 2024, 3:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Adams County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA
The radar
The Des Moines radar (KDMX), 113 km from the middle of the area, began a volume at 19:25 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
Omaha, NE (KOAX), launched 12:00Z, 7.4 hours before the alert went out and 166 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
- 690 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 10, 2:23 PM CDT, 0 minutes earlier.
Area forecast discussion, Jul 10, 2:23 PM CDT, 0 minutes before
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</html>Hazardous weather outlook, Jul 10, 3:43 AM CDT, 10 hours 40 minutes before
Hazardous Weather Outlook National Weather Service Des Moines IA 343 AM CDT Wed Jul 10 2024 IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075- 081>086-092>097-111100- 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- 343 AM CDT Wed Jul 10 2024 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight Scattered thunderstorms are expected today. A few marginally severe storms are possible with gusty winds and small hail. Locally heavy downpours remain possible as well. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Heat builds into the weekend and early next week with heat index values approaching or exceeding 100 by Sunday and Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation is unlikely at this time.
In the hours before
Special weather statement, Jul 10, 1:27 PM CDT, 56 minutes before
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</html>Local storm report, Jul 10, 1:52 PM CDT, 31 minutes before
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</html>Local storm report, Jul 10, 2:03 PM CDT, 20 minutes before
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<div class="status" id="status">Temporary Notice</div>
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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 10, 1:27 PM CDT | Special Weather Statement | DMX | Clarke, Lucas | 48 min |
| Jul 10, 1:34 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 41 min |
| Jul 10, 1:59 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 46 min |
| Jul 10, 2:10 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 50 min |
| Jul 10, 3:01 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor | 44 min |
| Jul 10, 3:04 PM CDT | Special Weather Statement | DMX | Tama | 41 min |
| Jul 10, 3:26 PM CDT | Special Weather Statement | DMX | Tama | 34 min |
| Jul 10, 3:52 PM CDT | Special Weather Statement | DMX | Taylor | 23 min |
| Jul 10, 3:55 PM CDT | Special Weather Statement | DMX | Davis | 35 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2024Every severe thunderstorm warning in 2024
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.