Alert archive / South Dakota / Tornado Warnings in 1999

Tornado Warning 25, NWS Aberdeen, SD

September 25, 1999Stanley County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Sep 25, 1999, 6:21 PM MDT for Stanley County, South Dakota. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 25, 1999, 6:21 PM MDT (00:21 UTC)
Expired
Sep 25, 1999, 6:55 PM MDT
In force
34 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Stanley County, SD

The radar

The Rapid City radar (KUDX), 170 km from the middle of the area, began a volume at 00:20 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.

What was reported inside it

TimeReportWhereRemark
Sep 25, 6:30 PM MDTHail 0.88Mission Ridge, SD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 6:06 PM MDTSevere Thunderstorm WarningABRDewey, Stanley49 min
Sep 25, 6:45 PM MDTSevere Thunderstorm WarningABRHughes, Sully45 min
Sep 25, 7:30 PM MDTSevere Thunderstorm WarningABRHughes, Sully50 min
Sep 25, 7:45 PM MDTSevere Thunderstorm WarningABRHyde50 min
Sep 25, 8:31 PM MDTSevere Thunderstorm WarningABRHand44 min

Nearby

Tornado Warnings in South Dakota, 1999Every tornado warning in 1999Tornadoes in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.