Alert archive / Louisiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 7, NWS Lake Charles, LA

January 25, 20124 parishes in Louisiana; 4 counties in Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 25, 2012, 2:36 PM CST for 4 parishes in Louisiana; 4 counties in Texas. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 25, 2012, 2:36 PM CST (20:36 UTC)
Expired
Jan 25, 2012, 3:30 PM CST
In force
54 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 55 km from the middle of the area, began a volume at 20:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 25, 7:56 AM CSTTornado WatchSPC7 hr
Jan 25, 2:08 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.6 hours before the alert went out and 56 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 2012-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 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 2012-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 square meters per square second.1939587897Sfc1 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
28 J/kg
Mixed-layer CIN
-201 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

694 
WUUS54 KLCH 252036
SVRLCH
LAC003-011-019-023-TXC241-245-351-361-252130-
/O.NEW.KLCH.SV.W.0007.120125T2036Z-120125T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
236 PM CST WED JAN 25 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN JASPER COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...EVADALE...BUNA...
  JEFFERSON COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...PORT NECHES...NOME...NEDERLAND...HAMSHIRE...
  GROVES...CENTRAL GARDENS...BEAUMONT...
  SOUTHERN NEWTON COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...DEWEYVILLE...BON WEIR...
  ORANGE COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...WEST ORANGE...VIDOR...ORANGE...MAURICEVILLE...
  BRIDGE CITY...
  ALLEN PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES...REEVES...MITTIE...ELIZABETH...
  BEAUREGARD PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES...SUGARTOWN...SINGER...RAGLEY...MERRYVILLE...
  FIELDS...DRY CREEK...DE RIDDER...
  CALCASIEU PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES...WESTLAKE...VINTON...SULPHUR...STARKS...MOSS
  BLUFF...LAKE CHARLES...DE QUINCY...
  NORTHWESTERN CAMERON PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES...SABINE NATIONAL WILDLIFE...SABINE NATIONAL WILDLIFE
  REFUGE...

* UNTIL 330 PM CST

* AT 233 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH...FROM 7 MILES WEST
  OF SUGARTOWN TO 18 MILES SOUTHEAST OF HAMSHIRE...MOVING EAST AT 30
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PORT ARTHUR...BRIDGE CITY...DE QUINCY AND ORANGE BY 240 PM CST...
  VINTON...RAGLEY...BUNDICK LAKE BY 250 PM CST...
  HACKBERRY...SULPHUR...WESTLAKE...MOSS BLUFF BY 300 PM CST...
  LAKE CHARLES...REEVES...MITTIE...OAKDALE BY 315 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS...
AWAY FROM WINDOWS.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES SUDDENLY.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.

LAT...LON 3017 9426 3019 9420 3017 9411 3032 9410
      3085 9355 3088 9260 3044 9297 3042 9313
      3038 9313 3038 9303 2976 9351 2973 9374
      2968 9384 2973 9436 2988 9436 2989 9445
      2998 9445
TIME...MOT...LOC 2033Z 271DEG 27KT 3086 9312 2962 9418

$$

ERICKSON
1 follow-up statement
266 
WWUS54 KLCH 252101
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
301 PM CST WED JAN 25 2012

LAC003-011-019-023-TXC241-245-351-361-252130-
/O.CON.KLCH.SV.W.0007.000000T0000Z-120125T2130Z/
JASPER TX-NEWTON TX-JEFFERSON TX-BEAUREGARD LA-ALLEN LA-CALCASIEU LA-
ORANGE TX-CAMERON LA-
301 PM CST WED JAN 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CST
FOR ORANGE...JEFFERSON...SOUTHERN NEWTON AND SOUTHEASTERN JASPER
COUNTIES...AND NORTHWESTERN CAMERON...CALCASIEU...ALLEN AND
BEAUREGARD PARISHES...

AT 255 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM GRANT TO SABINE PASS..MOVING EAST AT 30 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE JOHNSON 
BAYOU...HACKBERRY...SULPHUR...WESTLAKE...LAKE CHARLES...MOSS BLUFF...
OAKDALE...RAGLEY...AND LONGVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS...
AWAY FROM WINDOWS.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES SUDDENLY.

&&

LAT...LON 3017 9426 3019 9420 3017 9411 3032 9410
      3085 9355 3088 9260 3044 9297 3042 9313
      3038 9313 3038 9303 2976 9351 2973 9374
      2968 9384 2973 9436 2988 9436 2989 9445
      2998 9445
TIME...MOT...LOC 2100Z 271DEG 27KT 3085 9288 2962 9395

$$

ERICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 2:38 AM CSTMarine Dense Fog AdvisoryLCH5 hr
Jan 25, 2:44 AM CSTDense Fog AdvisoryLCHCameron, Saint Martin5 hr
Jan 25, 5:19 AM CSTWind AdvisoryLCHCameron, Lafayette, Saint Martin13 hr
Jan 25, 1:29 PM CSTTornado WarningLCHBeauregard, Vernon31 min
Jan 25, 1:51 PM CSTSpecial Weather StatementLCHBeauregard, Calcasieu54 min
Jan 25, 1:59 PM CSTSpecial Marine WarningLCH61 min
Jan 25, 2:01 PM CSTTornado WarningLCHBeauregard, Vernon29 min
Jan 25, 2:28 PM CSTTornado WarningLCHRapides, Vernon32 min
Jan 25, 2:56 PM CSTTornado WarningLCHRapides34 min
Jan 25, 3:06 PM CSTSpecial Marine WarningLCH54 min
Jan 25, 3:24 PM CSTTornado WarningLCHRapides36 min
Jan 25, 3:30 PM CSTSevere Thunderstorm WarningLCHAllen, Beauregard, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more60 min
Jan 25, 3:55 PM CSTTornado WarningLCHAvoyelles, Rapides35 min
Jan 25, 4:02 PM CSTSpecial Marine WarningLCH58 min
Jan 25, 4:36 PM CSTSevere Thunderstorm WarningLCHAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more54 min
Jan 25, 4:38 PM CSTAreal Flood AdvisoryLCHCalcasieu112 min
Jan 25, 4:41 PM CSTTornado WarningLCHAvoyelles34 min
Jan 25, 5:00 PM CSTSpecial Marine WarningLCH60 min
Jan 25, 5:20 PM CSTSpecial Weather StatementLCHAvoyelles55 min
Jan 25, 5:33 PM CSTSevere Thunderstorm WarningLCHAcadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more57 min
Jan 25, 5:57 PM CSTTornado WarningLCHCameron12 min
Jan 25, 5:58 PM CSTSpecial Marine WarningLCH62 min
Jan 25, 10:33 AM CSTSevere Thunderstorm WarningLCHHardin, Jasper, Tyler57 min
Jan 25, 11:31 AM CSTSevere Thunderstorm WarningLCHJasper, Tyler59 min
Jan 25, 12:05 PM CSTTornado WarningLCHHardin, Tyler25 min
Jan 25, 12:29 PM CSTTornado WarningLCHJasper, Tyler31 min
Jan 25, 12:59 PM CSTTornado WarningLCHJasper, Newton31 min
Jan 25, 2:18 PM CSTAreal Flood AdvisoryLCHJefferson, Orange117 min
Jan 25, 3:03 PM CSTFlash Flood WarningLCHJasper, Jefferson, Newton, Orange3 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 2012Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012

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; radar from the NEXRAD Level II archive.