Alert archive / Arkansas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 113, NWS Shreveport, LA

April 19, 1993Little River County, Miller County, Arkansas; Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 19, 1993, 11:20 PM CDT for Little River County, Miller County, Arkansas; Cass County, Texas. It was in force for 70 min.

The area

The counties it named.

The facts

Issued
Apr 19, 1993, 11:20 PM CDT (04:20 UTC)
Expired
Apr 20, 1993, 12:30 AM CDT
In force
70 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Little River County, AR, Miller County, AR, Cass County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 4.3 hours before the alert went out and 120 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, Longview/Gregg, TX at 00:00Z on 1993-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1056 joules per kilogram.LCLLFCEL10008507005003002001001 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, Longview/Gregg, TX at 00:00Z on 1993-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.19395878Sfc1 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
1056 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 8:26 AM CDTSevere Thunderstorm WarningSHVCaldwell, Winn79 min
Apr 20, 11:03 AM CDTSevere Thunderstorm WarningSHVSabine57 min
Apr 20, 11:31 AM CDTSevere Thunderstorm WarningSHVNatchitoches59 min
Apr 19, 7:38 PM CDTTornado WarningSHVLittle River82 min
Apr 19, 8:16 PM CDTSevere Thunderstorm WarningSHVSevier59 min
Apr 19, 8:51 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Little River, Sevier99 min
Apr 19, 9:50 PM CDTSevere Thunderstorm WarningSHVNevada55 min
Apr 19, 10:17 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Rusk73 min
Apr 19, 10:54 PM CDTSevere Thunderstorm WarningSHVBowie66 min
Apr 20, 1:32 AM CDTSevere Thunderstorm WarningSHVHarrison, Panola38 min
Apr 20, 5:05 AM CDTSevere Thunderstorm WarningSHVPanola, Rusk55 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1993Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.