Alert archive / South Dakota / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 159, NWS Sioux Falls, SD

July 15, 1999Davison County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 15, 1999, 8:15 PM CDT for Davison County, South Dakota. It was in force for 35 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
Jul 15, 1999, 8:15 PM CDT (01:15 UTC)
Expired
Jul 15, 1999, 8:50 PM CDT
In force
35 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Davison County, SD

The radar

The Sioux Falls radar (KFSD), 114 km from the middle of the area, began a volume at 01:16 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
Jul 15, 8:30 PM CDTHail 0.75Mitchell, 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 Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 7:51 PM CDTSevere Thunderstorm WarningFSDHanson, Hutchinson34 min
Jul 15, 8:13 PM CDTSevere Thunderstorm WarningFSDMcCook32 min
Jul 15, 8:18 PM CDTSevere Thunderstorm WarningFSDMiner, Sanborn32 min
Jul 15, 8:42 PM CDTSevere Thunderstorm WarningFSDKingsbury33 min
Jul 15, 8:50 PM CDTSevere Thunderstorm WarningFSDMiner30 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1999Every severe thunderstorm warning 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.