Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 71, NWS Shreveport, LA

April 15, 1994Morehouse Parish, Ouachita Parish, West Carroll Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 15, 1994, 1:11 PM CDT for Morehouse Parish, Ouachita Parish, West Carroll Parish, Louisiana. It was in force for 94 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 1:11 PM CDT (18:11 UTC)
Expired
Apr 15, 1994, 2:45 PM CDT
In force
94 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Morehouse Parish, LA, Ouachita Parish, LA, West Carroll Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.2 hours before the alert went out and 167 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, Jackson, MS at 12:00Z on 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2113 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
2113 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
1.5
Supercell composite
7.2

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 15, 11:53 AM CDTSevere Thunderstorm WarningSHVClaiborne, Lincoln, Union97 min
Apr 15, 11:53 AM CDTSevere Thunderstorm WarningSHVBienville, Webster97 min
Apr 15, 12:24 PM CDTSevere Thunderstorm WarningSHVCaddo, De Soto96 min
Apr 15, 12:24 PM CDTSevere Thunderstorm WarningSHVRed River96 min
Apr 15, 1:11 PM CDTSevere Thunderstorm WarningSHVEast Carroll94 min
Apr 15, 1:11 PM CDTSevere Thunderstorm WarningSHVJackson94 min
Apr 15, 1:27 PM CDTSevere Thunderstorm WarningSHVBienville, Lincoln93 min
Apr 15, 1:27 PM CDTSevere Thunderstorm WarningSHVCaddo, De Soto93 min
Apr 15, 1:27 PM CDTSevere Thunderstorm WarningSHVBossier, Webster93 min
Apr 15, 1:27 PM CDTSevere Thunderstorm WarningSHVRed River93 min
Apr 15, 1:58 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn62 min
Apr 15, 2:50 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Ouachita85 min
Apr 15, 2:50 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine, Winn85 min
Apr 15, 2:50 PM CDTSevere Thunderstorm WarningSHVFranklin85 min
Apr 15, 3:11 PM CDTSevere Thunderstorm WarningSHVFranklin, Tensas64 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1994Every severe thunderstorm warning in 1994

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.