Alert archive / Arkansas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 192, NWS Shreveport, LA

April 21, 1996Columbia County, Nevada County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 21, 1996, 1:36 AM CDT for Columbia County, Nevada County, Arkansas. It was in force for 39 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
Apr 21, 1996, 1:36 AM CDT (06:36 UTC)
Expired
Apr 21, 1996, 2:15 AM CDT
In force
39 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Columbia County, AR, Nevada County, AR

What was reported inside it

TimeReportWhereRemark
Apr 21, 2:04 AM CDTHail 1.75Rosston, AR

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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.6 hours before the alert went out and 342 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 00:00Z on 1996-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 1996-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2779 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Apr 20, 2:55 PM CDT, 10 hours 41 minutes earlier.

Area forecast discussion, Apr 20, 2:55 PM CDT, 10 hours 41 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SHREVEPORT LA
245 PM CDT SAT APR 20 1996

LARGE AREA RW/TSTMS MOVING INTO E TX ATTM. APPEARS CAP IS BKN AND
CNVCTN TO INTENSIFY. WIND SHIFT BNDRY ON 88D JUST SOUTH OF SHV
EXTENDING INTO TSTM CLUSTER. EXPCT ACTIVITY TO EXPAND ALONG BOUNDARY
AND CONNECT TO SMALLER AREA OF YOUNG TSTMS NORTH OF MLU. SELS CONSIDERING
A WATCH. WILL NOW GET POISED FOR ISSUANCE.

AS FOR NEXT COUPLE OF DAYS...WILL REMAIN IN WARM MOIST SECTOR THRU
MON. FOR NOW WILL GET POISED TO WORK WATCH.

SHV 67/82/69/79  7365

VII

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 9:23 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo52 min
Apr 20, 10:03 PM CDTSevere Thunderstorm WarningSHVCaddo42 min
Apr 20, 10:09 PM CDTSevere Thunderstorm WarningSHVDe Soto51 min
Apr 20, 10:37 PM CDTSevere Thunderstorm WarningSHVBossier38 min
Apr 20, 10:43 PM CDTSevere Thunderstorm WarningSHVCaddo47 min
Apr 20, 10:58 PM CDTSevere Thunderstorm WarningSHVWebster47 min
Apr 20, 11:55 PM CDTSevere Thunderstorm WarningSHVBossier35 min
Apr 21, 3:43 AM CDTSevere Thunderstorm WarningSHVCaddo32 min
Apr 21, 4:46 AM CDTSevere Thunderstorm WarningSHVBossier29 min
Apr 20, 7:46 PM CDTSevere Thunderstorm WarningSHVSmith59 min
Apr 20, 8:34 PM CDTSevere Thunderstorm WarningSHVGregg, Rusk41 min
Apr 20, 9:16 PM CDTSevere Thunderstorm WarningSHVHarrison, Panola59 min
Apr 20, 9:23 PM CDTSevere Thunderstorm WarningSHVGregg, Smith52 min
Apr 20, 9:45 PM CDTSevere Thunderstorm WarningSHVHarrison, Panola30 min
Apr 20, 9:49 PM CDTSevere Thunderstorm WarningSHVHarrison56 min
Apr 20, 10:47 PM CDTSevere Thunderstorm WarningSHVMarion28 min
Apr 20, 9:56 PM CDTSevere Thunderstorm WarningSHVUnion49 min
Apr 21, 12:18 AM CDTSevere Thunderstorm WarningSHVColumbia27 min
Apr 21, 1:05 AM CDTSevere Thunderstorm WarningSHVLafayette40 min
Apr 21, 2:50 AM CDTSevere Thunderstorm WarningSHVHempstead55 min
Apr 21, 3:39 AM CDTSevere Thunderstorm WarningSHVNevada51 min
Apr 21, 4:04 AM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette56 min
Apr 21, 5:01 AM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette59 min
Apr 21, 7:11 AM CDTSevere Thunderstorm WarningSHVUnion34 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1996Every severe thunderstorm warning in 1996

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; the sounding from the Mesonet's radiosonde archive.