Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 11, NWS Lake Charles, LA

April 25, 2011Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this tornado warning at Apr 25, 2011, 11:43 PM CDT for Jasper County, Newton County, Texas. It was in force for 32 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
Apr 25, 2011, 11:43 PM CDT (04:43 UTC)
Expired
Apr 26, 2011, 12:15 AM CDT
In force
32 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Jasper County, TX, Newton County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 25, 10:47 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.7 hours before the alert went out and 120 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 2011-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2759 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2011-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
2759 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

610 
WFUS54 KLCH 260443
TORLCH
TXC241-351-260515-
/O.NEW.KLCH.TO.W.0011.110426T0443Z-110426T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1143 PM CDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN JASPER COUNTY IN SOUTHEAST TEXAS...
   THIS INCLUDES...RAYBURN COUNTRY...BROWNDELL...
  NORTHERN NEWTON COUNTY IN SOUTHEAST TEXAS...
   THIS INCLUDES...TOLEDO BEND DAM...BURKEVILLE...MAYFLOWER...

* UNTIL 1215 AM CDT

* AT 1139 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  BROWNDELL...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  HARRISBURG BY 1155 PM CDT...
  FARRSVILLE BY MIDNIGHT CDT...
  MAYFLOWER BY 1210 AM CDT...
  BURKEVILLE AND TOLEDO BEND DAM BY 1215 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE RADAR INDICATES A TORNADO MAY FORM AT ANY
TIME. TAKE COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT TUESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

&&

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

LAT...LON 3119 9353 3112 9354 3111 9356 3108 9354
      3102 9354 3101 9357 3095 9357 3098 9410
      3111 9411 3112 9405 3115 9404 3118 9383
      3118 9358 3121 9355
TIME...MOT...LOC 0443Z 268DEG 29KT 3110 9399

$$

SHAMBURGER
1 follow-up statement
759 
WWUS54 KLCH 260503
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1203 AM CDT TUE APR 26 2011

TXC241-351-260515-
/O.CON.KLCH.TO.W.0011.000000T0000Z-110426T0515Z/
NEWTON TX-JASPER TX-
1203 AM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
NORTHEASTERN JASPER AND NORTHERN NEWTON COUNTIES...

AT 1157 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED 
AND LOCAL LAW ENFORCEMENT REPORTED A POSSIBLE TORNADO. THIS TORNADO 
WAS LOCATED NEAR BROWNDELL...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  MAYFLOWER AND BURKEVILLE BY 1215 AM CDT...

AT 1140 PM CDT...TREES WERE BLOWN DOWN ON ROADWAYS SOUTH OF 
BROOKELAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT TUESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

&&

LAT...LON 3119 9353 3112 9354 3111 9356 3108 9354
      3102 9354 3101 9357 3095 9357 3103 9403
      3115 9404 3117 9388 3118 9358 3121 9355
TIME...MOT...LOC 0501Z 267DEG 26KT 3111 9387

$$

SHAMBURGER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 10:30 PM CDTSevere Thunderstorm WarningLCHJasper, Tyler60 min
Apr 25, 11:08 PM CDTWind AdvisoryLCHHardin, Tyler41 hr
Apr 25, 11:20 PM CDTTornado WarningLCHJasper25 min
Apr 25, 11:28 PM CDTSevere Thunderstorm WarningLCHJasper, Newton, Tyler62 min
Apr 26, 12:14 AM CDTTornado WarningLCHNewton31 min
Apr 26, 12:35 AM CDTSevere Thunderstorm WarningLCHJasper, Tyler55 min
Apr 26, 12:43 AM CDTTornado WarningLCHNewton47 min
Apr 26, 1:13 AM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Tyler62 min
Apr 26, 2:06 AM CDTSevere Thunderstorm WarningLCHJasper, Newton24 min
Apr 26, 2:23 AM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Tyler52 min
Apr 26, 2:56 AM CDTTornado WarningLCHHardin34 min
Apr 26, 3:15 AM CDTSpecial Weather StatementLCHNewton45 min
Apr 26, 3:17 AM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Jefferson, Newton, Orange58 min
Apr 26, 4:09 AM CDTSevere Thunderstorm WarningLCHOrange66 min
Apr 26, 4:33 AM CDTSpecial Weather StatementLCHOrange57 min

Nearby

Tornado Warnings in Texas, 2011Every tornado warning in 2011Tornadoes in 2011

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.