Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Shreveport, LA

March 27, 1994Madison Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 27, 1994, 1:15 PM CST for Madison Parish, Louisiana. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 27, 1994, 1:15 PM CST (19:15 UTC)
Expired
Mar 27, 1994, 2:15 PM CST
In force
60 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Madison Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.3 hours before the alert went out and 109 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 1994-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 358 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, Jackson, MS at 12:00Z on 1994-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 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
358 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
321 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.4

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
Mar 27, 4:28 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo62 min
Mar 27, 5:25 AM CSTSevere Thunderstorm WarningSHVClaiborne65 min
Mar 27, 9:54 AM CSTSevere Thunderstorm WarningSHVCaddo51 min
Mar 27, 10:40 AM CSTSevere Thunderstorm WarningSHVClaiborne, Webster65 min
Mar 27, 11:03 AM CSTSevere Thunderstorm WarningSHVUnion57 min
Mar 27, 12:06 PM CSTSevere Thunderstorm WarningSHVMadison, Tensas69 min
Mar 27, 12:33 PM CSTSevere Thunderstorm WarningSHVCaldwell, Franklin, Richland57 min
Mar 27, 9:33 AM CSTSevere Thunderstorm WarningSHVPanola42 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.