Alert archive / Arkansas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 314, NWS Shreveport, LA

October 7, 1992Lafayette County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Oct 7, 1992, 9:46 PM CDT for Lafayette County, Arkansas. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Oct 7, 1992, 9:46 PM CDT (02:46 UTC)
Expired
Oct 7, 1992, 10:15 PM CDT
In force
29 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Lafayette County, AR

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 2.8 hours before the alert went out and 136 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 1992-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 1992-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
23 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1754 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
219 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 8:58 PM CDTSevere Thunderstorm WarningSHVMiller62 min
Oct 7, 8:04 PM CDTSevere Thunderstorm WarningSHVBowie56 min
Oct 7, 8:26 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison64 min
Oct 7, 9:48 PM CDTSevere Thunderstorm WarningSHVPanola, Rusk57 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1992Every severe thunderstorm warning in 1992

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.