Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 76, NWS Lake Charles, LA

August 11, 1996Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 11, 1996, 7:31 PM CDT for Jefferson County, Texas. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 11, 1996, 7:31 PM CDT (00:31 UTC)
Expired
Aug 11, 1996, 8:30 PM CDT
In force
59 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Jefferson County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.5 hours before the alert went out and 96 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 00:00Z on 1996-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 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 00:00Z on 1996-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
786 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
962 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 120033
SVRLCH
TXC245-120130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
731 PM CDT SUN AUG 11 1996
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TEXAS
 
   ...JEFFERSON COUNTY
 
AND ADJACENT COASTAL WATERS
 
 
AT 730PM RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN ANAHUAC AND
WINNIE MOVING TOWARD THE EAST AT 15 MPH. THIS THUNDERSTORM SHOULD CROSS
INTO JEFFERSON COUNTY BY 745PM. THE TOWN OF HAMPSHIRE IS IMMEDIATELY
IN THE PATH OF THIS STORM.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 11, 2:11 PM CDT, 5 hours 20 minutes earlier.

Area forecast discussion, Aug 11, 2:11 PM CDT, 5 hours 20 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 PM CDT SUN AUG 11 1996

SCATTERED SHOWERS WITH ISOLATED TSTMS CONTINUE ACROSS REGION...
BECOMING LESS NUMEROUS. UPPER TROF WILL CONTINUE TO DIG AS SHRV
WV DROPS SE INTO SE OKLA TONIGHT. BELIEVE THIS ENERGY WILL PRODUCE
AN AREA OF SHOWERS AND TSTMS N OF FA. GIVEN POSTION OF UPPER TROF...
WILL CONTINUE SCATTERED POPS TONIGHT MAINLY FOR LATE EVE/EARLY
MORNING ACTIVITY MOVING EAST OUT OF TEXAS IN REGION OF SYNOPTIC LIFT.
OVERALL AM IN AGREEMENT WITH NCEP SHORT RANGE DISS. WILL REDUCE
POPS WITH TIME FOR WESTERN SECTIONS OF FA CLOSER TO NORMAL AS MOISTURE
DECREASES IN CONJUNCTION WITH WESTERLY FLOW. MAIN ENERGY WITH SYSTEM
WILL PUSH OFF TO THE NE AS SFC LOW FORMS ON BOUNDARY OVER TENN. THIS
IS WHAT MODELS ADVERTISE THEREFORE POPS DO NOT DIFFER MUCH FROM MOS
GUIDENCE.

01

BPT 74/90/73/92 3423
LCH 74/90/73/92 3423  LFT 74/90/73/91 3424  AEX 72/89/70/90 3424

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

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.