Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 186, NWS Shreveport, LA

June 3, 1990Sabine Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 3, 1990, 6:03 PM CDT for Sabine Parish, Louisiana. It was in force for 87 min.

The area

The counties it named.

The facts

Issued
Jun 3, 1990, 6:03 PM CDT (23:03 UTC)
Expired
Jun 3, 1990, 7:30 PM CDT
In force
87 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Sabine Parish, LA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 11.1 hours before the alert went out and 132 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 12:00Z on 1990-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3592 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 12:00Z on 1990-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.1939Sfc1 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
3592 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
1.8
Supercell composite
10.6

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
Jun 3, 12:35 PM CDTSevere Thunderstorm WarningSHVRichland55 min
Jun 3, 11:01 AM CDTFlash Flood WarningSHVBowie119 min
Jun 3, 1:02 PM CDTFlash Flood WarningSHVBowie4 hr
Jun 3, 1:19 PM CDTFlash Flood WarningSHVCass4 hr
Jun 3, 9:56 AM CDTFlash Flood WarningSHVHempstead, Nevada3 hr
Jun 3, 9:56 AM CDTFlash Flood WarningSHVColumbia3 hr
Jun 3, 1:02 PM CDTFlash Flood WarningSHVColumbia, Lafayette4 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990

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.