Alert archive / South Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 239, NWS Aberdeen, SD

August 26, 2020Corson County, Dewey County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 26, 2020, 5:11 PM MDT for Corson County, Dewey County, South Dakota. It was in force for 30 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
Aug 26, 2020, 5:11 PM MDT (23:11 UTC)
Expired
Aug 26, 2020, 5:41 PM MDT
In force
30 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.75 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 23:14 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 office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 2:48 PM MDTSevere Thunderstorm WarningABRDewey42 min
Aug 26, 3:01 PM MDTSevere Thunderstorm WarningABRDewey, Stanley44 min
Aug 26, 3:27 PM MDTSevere Thunderstorm WarningABRDewey48 min
Aug 26, 3:45 PM MDTSevere Thunderstorm WarningABRHughes, Stanley, Sully45 min
Aug 26, 4:13 PM MDTSevere Thunderstorm WarningABRDewey47 min
Aug 26, 4:18 PM MDTSevere Thunderstorm WarningABRDewey57 min
Aug 26, 4:34 PM MDTSevere Thunderstorm WarningABRStanley56 min
Aug 26, 5:32 PM MDTSevere Thunderstorm WarningABRJones, Lyman, Stanley43 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2020Every severe thunderstorm warning in 2020

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.