Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 315, NWS Shreveport, LA

August 20, 1997Miller County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Aug 20, 1997, 7:04 PM CDT for Miller County, Arkansas. It was in force for 26 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
Aug 20, 1997, 7:04 PM CDT (00:04 UTC)
Expired
Aug 20, 1997, 7:30 PM CDT
In force
26 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Miller County, AR

The radar

The Shreveport radar (KSHV), 96 km from the middle of the area, began a volume at 00:05 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
Aug 20, 7:20 PM CDTThunderstorm Wind 60Garland, ARNumerous trees and powerlines were toppled resulting in local power outages.

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 20, 3:30 PM CDT, 3 hours 34 minutes earlier.

Area forecast discussion, Aug 20, 3:30 PM CDT, 3 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
330 PM CDT WED AUG 20 1997

CDFNT MOVG INTO SE OK WILL PUSH INTO EXTREME NORTH LA AFT MIDNIGHT.
SHORT WAVE SEEN ON SATL TRAVELING IN NW FLOW FIRING OFF VERY STG POST
FNTL CONVECTION NORTH OK ATTM. WILL KEEP LOW POPS IN FOR AREA AS LITTLE
OR NO CU DVLP THIS AFTN...BUT WILL LEAVE LOW POPS IN FOR LATE DUE TO
PRESENT MVMNT OF VORT. VRY DRY MID LVL AIR AND STG NVA IN WAKE OF FNT
AND VORT WILL RAISE TEMPS INTO MID 90S DUE TO DRY AIR WRMG. BOTH NGM
AND ETA DIVE UNSEASONABLE STG UPR LVL SYSTEM INTO SOUTH OK BY FRI MRNG.
NGM CENTERS PVA/UPR DIV AND LIFT IN SE RATHER THAN SC OK. ALIGNMENT
OF THESE PARAMETER WITH EACH OTHER ALSO QUITE IMPRESSIVE. MSTR LOOKING
ADEQUATE BY FRI WITH MID LVL MSTR ONLY LAGGING SLIGHTLY BEHIND LOW LVL.
EXACT TRACK OF SYSTEM WILL DEPEND ON POSN OF OLD FNTL BNDRY...BUT USING
A COMPRO BTWN MODELS SHOWS GOOD CHC TSTMS FOR SE OK AND AT LEAST A
CHUNK OF NE TX. DECREASE POPS TO ISOLD EXTREME SE CWA AND CHC ELSEWHERE.

SHV 75/95/70/90  2013                  MLU 73/94/68/90  1002
VII

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 9:56 PM CDTSevere Thunderstorm WarningSHVHarrison, Marion64 min
Aug 20, 10:49 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison56 min
Aug 21, 4:18 PM CDTSevere Thunderstorm WarningSHVCherokee57 min
Aug 20, 10:06 PM CDTSevere Thunderstorm WarningSHVCaddo54 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997Every severe thunderstorm warning in 1997

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.