Alert archive / Iowa / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 37, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 24, 2024, 2:29 AM CDT for Plymouth County, Woodbury County, Iowa. It was in force for 31 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 24, 2024, 2:29 AM CDT (07:29 UTC)
- Expired
- May 24, 2024, 3:00 AM CDT
- In force
- 31 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Plymouth County, IA, Woodbury County, IA
The radar
The Sioux Falls radar (KFSD), 124 km from the middle of the area, began a volume at 07:29 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 |
|---|---|---|---|
| May 23, 8:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 7.5 hours before the alert went out and 140 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2328 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 226 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 Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 12:23 AM CDT, 2 hours 6 minutes earlier.
Area forecast discussion, May 24, 12:23 AM CDT, 2 hours 6 minutes before
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</html>Hazardous weather outlook, May 23, 3:20 AM CDT, 23 hours 9 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 320 AM CDT Thu May 23 2024 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-050-052>071-240830- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory- Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook- Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton- Union- 320 AM CDT Thu May 23 2024 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. There is potential for a line of strong to severe storms to form Thursday afternoon over central South Dakota. These storms are expected to move east across the region into Friday morning. The greatest threat with these storms is large hail and damaging wind gusts. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Periodic showers and thunderstorms are expected Saturday night into Memorial Day. While severe weather is currently not anticipated, lightning is still possible. When thunder roars, go indoors! .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 9:50 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 5 more | 9 hr |
| May 24, 2:52 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 23 min |
| May 24, 3:13 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 17 min |
| May 24, 3:58 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 32 min |
| May 24, 7:32 AM CDT | River Flood Warning | FSD | Dickinson | 19 days |
| May 24, 9:07 AM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 6 days |
| May 24, 4:36 PM CDT | River Flood Warning | FSD | Clay | 19 days |
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.