Alert archive / Louisiana / Tornado Warnings in 1991

Tornado Warning 7, NWS Lake Charles, LA

April 28, 1991Allen Parish, Evangeline Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Apr 28, 1991, 2:23 PM CDT for Allen Parish, Evangeline Parish, Jefferson Davis Parish, Louisiana. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 28, 1991, 2:23 PM CDT (19:23 UTC)
Expired
Apr 28, 1991, 3:30 PM CDT
In force
67 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Allen Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.4 hours before the alert went out and 69 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, Lake Charles Mun, LA at 12:00Z on 1991-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2466 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, Lake Charles Mun, LA at 12:00Z on 1991-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
2466 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
536 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
2.0
Supercell composite
13.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLCH 281923
TORLCH
LAC003-039-053-282030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
223 PM CDT SUN APR 28 1991
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST LOUISIANA
 
   ...ALLEN PARISH...EVANGELINE PARISH...JEFFERSON DAVIS PARISH
 
AT 215 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER JEFFERSON
DAVIS PARISH NEAR KINDER. THIS STORM HAS PRODUCED MARBLE SIZED HAIL AT
KINDER AND COULD PRODUCE A TORNADO AS IT MOVES NORTHEAST AT 40 MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...SEEK SHELTER IN A NEARBY
REINFORCED BUILDING.  GET UNDER A PIECE OF STURDY FURNITURE
PREFERABLY IN AN INTERIOR ROOM ON THE LOWEST FLOOR.  USE BLANKETS
OR PILLOWS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 2:56 PM CDTSevere Thunderstorm WarningLCHLafayette64 min
Apr 28, 5:25 PM CDTSevere Thunderstorm WarningLCHLafayette50 min

Nearby

Tornado Warnings in Louisiana, 1991Every tornado warning in 1991Tornadoes in 1991

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.