Severe Thunderstorm Warning 42, NWS Aberdeen, SD

Issued

Jun 22, 1997, 6:48 AM CDT (11:48 UTC)

Expired

Jun 22, 1997, 7:50 AM CDT

In force

62 min

Issued by

NWS Aberdeen, SD

Area

Whole counties

County Walworth County, SD

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 11:47 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.

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

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 9:27 PM CDT, 9 hours 21 minutes earlier.

AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD
AND FOR TRAVERSE/BIG STONE COUNTIES OF MN
NATIONAL WEATHER SERVICE ABERDEEN SD
927 PM CDT SAT JUN 21 1997

PER CURRENT TRENDS ON 88D AND SAT PIX DID UPDATE CWA TO TAKE OUT LATE AND
ADD PCPN WHERE NEEDED.  ACITIVITY OCCURRING OVER NORTHERN CWA ON THE WANE
ATMT BUT STRONG CELL CONTINUES IN SC SD.  THIS CELL MOVED SE RIGHT ALONG
AN OLD BOUNDARY THAT SHOWED UP WELL THIS AFTN IN CLOSE UP VIS PIX.  WATER
VAPOR PIX NICELY SHOWING RIDGE BUILDING OUT TO THE NE FROM THE GREAT BASIN
AS SYSTEM DIGS INTO NW US.  BNDRY OVER N KS SEEMS TO BE WASHING OUT AS UPPER
RIDGE BUILDS BUT STILL ENUF CONVERGENCE  PER NEWLY DEVELOPED TSRA SAID AREA.
LLJ STILL EXPECTED TO INCREASE OVERNIGHT WHICH WILL BRING HIGHLY MOIST/UNSTABLE
AIR INTO SC AND CENTRAL SECTIONS SO WILL ADD SEVERE WORDING TO THIS AREA.  ONLY
HINDERANCE MIGHT BE EXPANDING CAP WHICH HAS KEPT THINGS UNDER FAIR CONTROL
OVER AREAS TO THE SW.

.ABR...NONE.
TDK

Severe Thunderstorm Warnings in South Dakota, 1997Every severe thunderstorm warning in 1997

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.