Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 130, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 7, 2025, 3:20 PM CDT for Aurora County, Jerauld County, Sanborn County, South Dakota. It was in force for 40 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 7, 2025, 3:20 PM CDT (20:20 UTC)
- Expired
- Jul 7, 2025, 4:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Aurora County, SD, Jerauld County, SD, Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 20:21 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, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 8.3 hours before the alert went out and 107 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
- 243 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 Jul 7, 2:18 PM CDT, 1 hour 2 minutes earlier.
Area forecast discussion, Jul 7, 2:18 PM CDT, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Jul 7, 2:42 PM CDT, 38 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 242 PM CDT Mon Jul 7 2025 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ039-040-050-053>056-058>071-081945- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Kingsbury-Brookings-Gregory-Sanborn- Miner-Lake-Moody-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix- Douglas-Hutchinson-Turner-Bon Homme-Yankton-Union- 242 PM CDT Mon Jul 7 2025 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...This afternoon and tonight. Scattered thunderstorms will continue to develop west of the James River valley through 4pm. These storms will then slowly track to the east and southeast into the evening. Stronger storms will be capable of producing up to 2 inch hail in their initial development stage. As storms move east, pockets of damaging winds up to 70 mph may develop, mainly south of Interstate 90 towards the Missouri River. The tornadic risk remains low. Storms should gradually weaken after 10pm and leave the area. Patchy fog may be possible through daybreak Tuesday. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered storms will again be possible late Wednesday and again on Thursday. Severe weather will be possible, so begin monitoring your local forecast. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed between 3pm and 8pm this evening. Continue monitoring for potential watches or warnings. SDZ038-052-057-081945- Beadle-Jerauld-Brule- 242 PM CDT Mon Jul 7 2025 This Hazardous Weather Outlook is for central South Dakota, east central South Dakota and south central South Dakota. .DAY ONE...This afternoon and tonight. Scattered showers and thunderstorms will form near the outlook area and begin to track east this evening. The severe weather risk is likely to remain focused along and east of a line from Huron to Gregory. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered storms will again be possible late Wednesday and again on Thursday. Severe weather will be possible, so begin monitoring your local forecast. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:01 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Sanborn | 44 min |
| Jul 7, 3:49 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 41 min |
| Jul 7, 3:59 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 46 min |
| Jul 7, 4:10 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 26 min |
| Jul 7, 4:46 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 44 min |
| Jul 7, 5:23 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Turner | 52 min |
| Jul 7, 5:30 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 45 min |
| Jul 7, 5:35 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 40 min |
| Jul 7, 5:49 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 41 min |
| Jul 7, 6:06 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 39 min |
| Jul 7, 6:15 PM CDT | Tornado Warning | FSD | Yankton | 30 min |
| Jul 7, 6:27 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner | 63 min |
| Jul 7, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 35 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 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.