Alert archive / South Dakota / Flash Flood Warnings in 2023

Flash Flood Warning 9, NWS Sioux Falls, SD

September 21, 2023Hutchinson County, Turner County, South Dakota

NWS Sioux Falls, SD issued this flash flood warning at Sep 21, 2023, 6:09 AM CDT for Hutchinson County, Turner County, South Dakota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 21, 2023, 6:09 AM CDT (11:09 UTC)
Expired
Sep 21, 2023, 9:15 AM CDT
In force
3 hr
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
None

Counties Hutchinson County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 65 km from the middle of the area, began a volume at 11:12 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 Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 12:29 AM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix, Gregory31 min
Sep 21, 12:58 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDAurora, Brule, Charles Mix30 min
Sep 21, 2:28 AM CDTSevere Thunderstorm WarningFSDAurora, Charles Mix, Douglas, Gregory31 min

Nearby

Flash Flood Warnings in South Dakota, 2023Every flash flood warning in 2023

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.