Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 159, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2026, 6:33 PM MDT for Corson County, Dewey County, South Dakota. 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
- Jul 19, 2026, 6:33 PM MDT (00:33 UTC)
- Expired
- Jul 19, 2026, 7:15 PM MDT
- In force
- 42 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 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 00:32 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 19, 3:26 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:44 PM MDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Jul 19, 7:13 PM MDT | Special Weather Statement | ABR | Campbell | 32 min |
| Jul 19, 7:43 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Edmunds, McPherson, Walworth | 47 min |
| Jul 19, 9:35 PM MDT | Special Weather Statement | ABR | Brown | 40 min |
| Jul 19, 10:35 PM MDT | Special Weather Statement | ABR | Marshall | 25 min |
| Jul 19, 11:21 PM MDT | Special Weather Statement | ABR | Roberts | 39 min |
| Jul 20, 1:20 AM MDT | Severe Thunderstorm Warning | ABR | Roberts | 40 min |
| Jul 20, 1:48 AM MDT | Special Weather Statement | ABR | Traverse | 27 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2026Every severe thunderstorm warning in 2026
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.