Alert archive / Arkansas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 32, NWS Tulsa, OK

April 19, 1993Logan County, Scott County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1993, 7:39 PM CDT for Logan County, Scott County, Arkansas. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Apr 19, 1993, 7:39 PM CDT (00:39 UTC)
Expired
Apr 19, 1993, 8:15 PM CDT
In force
36 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Logan County, AR, Scott County, AR

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 0.7 hours before the alert went out and 306 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 Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 7:15 PM CDTSevere Thunderstorm WarningTSAPolk60 min
Apr 19, 8:11 PM CDTSevere Thunderstorm WarningTSAPolk49 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.