Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 151, NWS Lake Charles, LA

May 12, 1995Evangeline Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at May 12, 1995, 7:29 AM CDT for Evangeline Parish, Louisiana. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
May 12, 1995, 7:29 AM CDT (12:29 UTC)
Expired
May 12, 1995, 8:15 AM CDT
In force
46 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Evangeline Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.5 hours before the alert went out and 102 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 1995-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2320 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 1995-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
2320 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
3.8
Supercell composite
16.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 121235
SVRLCH
LAC039-121315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
729 AM CDT FRI MAY 12 1995
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST LOUISIANA
 
   ...EVANGELINE PARISH
 
AT 729 AM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER EVANGELINE PARISH NEAR REDDELL. THE
SEVERE THUNDERSTORM WAS MOVING TO THE EAST AT 25 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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.

In the hours before

Special weather statement, May 12, 6:27 AM CDT, 1 hour 2 minutes before
TXZ165-201-181-182-216-167-166-180-121330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
627 AM CDT FRI MAY 12 1995

...STRONG THUNDERSTORMS DEVELOPING OVER SOUTHEAST TEXAS...

WIDELY SCATTERED THUNDERSTORMS...SOME PRODUCING SMALL HAIL AND BRIEF
LOCALLY HEAVY DOWNPOURS...WILL CONTINUE TO BUILD OVER SOUTHEAST
TEXAS...GENERALLY NORTH OF THE GOLDEN TRIANGLE...THROUGH MID MORNING.

THESE STORMS ARE DEVELOPING ALONG AND JUST NObRTH OF A WARM FRONTAL
BOUNDARY OVER THE SOUTHEAST TEXAS COASTAL PLAINS.  THE WARM FRONT WILL
CONTINUE TO MOVE SLOWLY NORTHEAST THIS MORNING.

JH

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 5:41 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard64 min
May 12, 6:18 AM CDTTornado WarningLCHAllen42 min
May 12, 6:49 AM CDTSevere Thunderstorm WarningLCHBeauregard56 min
May 12, 7:45 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard60 min
May 12, 7:53 AM CDTTornado WarningLCHCalcasieu67 min
May 12, 9:45 AM CDTSevere Thunderstorm WarningLCHAcadia45 min
May 12, 10:21 AM CDTSevere Thunderstorm WarningLCHLafayette54 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning in 1995

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.