Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 124, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 21, 2025, 9:38 PM MDT for Corson County, Dewey County, South Dakota. It was in force for 37 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 21, 2025, 9:38 PM MDT (03:38 UTC)
- Expired
- Jul 21, 2025, 10:15 PM MDT
- In force
- 37 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Corson County, SD, Dewey County, SD
The radar
The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 03:40 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 21, 9:11 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 21, 7:52 PM MDT, 1 hour 46 minutes earlier.
Area forecast discussion, Jul 21, 7:52 PM MDT, 1 hour 46 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 8:53 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 52 min |
| Jul 21, 10:12 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 48 min |
| Jul 21, 10:50 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, McPherson, Walworth | 55 min |
| Jul 21, 11:00 PM MDT | Special Weather Statement | ABR | Edmunds, Potter, Walworth | 45 min |
| Jul 21, 11:46 PM MDT | Special Weather Statement | ABR | Edmunds, McPherson | 59 min |
| Jul 22, 12:07 AM MDT | Special Weather Statement | ABR | Corson | 38 min |
| Jul 22, 12:29 AM MDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 46 min |
| Jul 22, 12:40 AM MDT | Special Weather Statement | ABR | Brown | 50 min |
| Jul 22, 1:10 AM MDT | Special Weather Statement | ABR | Walworth | 50 min |
| Jul 22, 1:36 AM MDT | Flash Flood Warning | ABR | Dewey, Potter, Walworth | 3 hr |
| Jul 22, 1:40 AM MDT | Heat Advisory | ABR | Brown, Buffalo, Clark, Codington, Deuel, Dewey and 14 more | 16 hr |
| Jul 22, 4:37 AM MDT | Areal Flood Warning | ABR | Dewey, Potter, Walworth | 4 hr |
| Jul 22, 9:26 AM MDT | Severe Thunderstorm Warning | ABR | Brown | 35 min |
| Jul 22, 2:39 PM MDT | Special Weather Statement | ABR | Edmunds, Hughes, Potter, Sully | 36 min |
| Jul 22, 3:12 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 48 min |
| Jul 22, 3:25 PM MDT | Special Weather Statement | ABR | Edmunds | 35 min |
| Jul 22, 3:57 PM MDT | Special Weather Statement | ABR | Faulk | 18 min |
| Jul 22, 5:46 PM MDT | Tornado Warning | ABR | Traverse | 44 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; radar from the NEXRAD Level II archive.