Alert archive / Iowa / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 72, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at May 19, 2024, 7:14 PM CDT for Black Hawk County, Iowa. It was in force for 42 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
- May 19, 2024, 7:14 PM CDT (00:14 UTC)
- Expired
- May 19, 2024, 7:56 PM CDT
- In force
- 42 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Black Hawk County, IA
The radar
The Des Moines radar (KDMX), 143 km from the middle of the area, began a volume at 00:16 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, 0.2 hours before the alert went out and 177 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
- 65 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 2316 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 73 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 May 19, 6:52 PM CDT, 22 minutes earlier.
Area forecast discussion, May 19, 6:52 PM CDT, 22 minutes before
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</html>Hazardous weather outlook, May 19, 4:58 AM CDT, 14 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Des Moines IA 458 AM CDT Sun May 19 2024 IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075- 081>086-092>097-201000- 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- 458 AM CDT Sun May 19 2024 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight Thunderstorms will track from west to east through the area today and into tonight. A few storms this afternoon and evening may be strong to severe, especially over southern Iowa. Strong winds, hail and locally heavy rainfall will be the primary concerns, but a tornado can't be ruled out. .DAYS TWO THROUGH SEVEN...Monday through Saturday Additional storms are expected on Monday, with the potential for more strong to severe storms in the afternoon and evening hours. Main threats will again be strong winds, hail and locally heavy rainfall, with the potential for a tornado or two as well. The greatest severe risk through the period will fall on Tuesday as a larger scale system passes through the area. All hazards may be possible, including damaging winds, large hail, heavy rainfall and tornadoes. More details on this system will be provided in the coming days. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed for any storms this afternoon through Tuesday. Dodson
In the hours before
Special weather statement, May 19, 3:27 PM CDT, 3 hours 47 minutes before
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</html>Local storm report, May 19, 4:14 PM CDT, 3 hours before
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</html>Local storm report, May 19, 4:23 PM CDT, 2 hours 51 minutes before
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</html>Local storm report, May 19, 4:44 PM CDT, 2 hours 30 minutes before
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</html>Local storm report, May 19, 7:14 PM CDT, 0 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 |
|---|---|---|---|---|
| May 19, 7:30 PM CDT | Special Weather Statement | DMX | Cass | 30 min |
| May 19, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie, Madison and 3 more | 47 min |
| May 19, 8:42 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 48 min |
| May 19, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 52 min |
| May 19, 10:40 PM CDT | Special Weather Statement | DMX | Adair, Adams, Cass, Guthrie | 50 min |
| May 20, 12:14 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 27 min |
| May 20, 1:26 AM CDT | Special Weather Statement | DMX | Appanoose, Lucas, Mahaska, Marion, Monroe | 64 min |
| May 20, 1:36 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Clarke, Lucas, Marion, Monroe, Warren and 1 more | 54 min |
| May 20, 1:50 PM CDT | Flood Watch | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 37 more | 29 hr |
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.