Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 24, NWS Lake Charles, LA

November 8, 2011Jasper County, Tyler County, Texas

NWS Lake Charles, LA issued this tornado warning at Nov 8, 2011, 7:06 PM CST for Jasper County, Tyler County, Texas. It was in force for 27 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
Nov 8, 2011, 7:06 PM CST (01:06 UTC)
Expired
Nov 8, 2011, 7:33 PM CST
In force
27 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Jasper County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 104 km from the middle of the area, began a volume at 01:08 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
Nov 8, 1:59 PM CSTTornado WatchSPC6 hr
Nov 8, 5:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.1 hours before the alert went out and 106 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 2011-11-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2040 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 2011-11-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
2040 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

432 
WFUS54 KLCH 090106
TORLCH
TXC241-457-090145-
/O.NEW.KLCH.TO.W.0024.111109T0106Z-111109T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
706 PM CST TUE NOV 8 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL JASPER COUNTY IN SOUTHEAST TEXAS...
  SOUTHEASTERN TYLER COUNTY IN SOUTHEAST TEXAS...

* UNTIL 745 PM CST

* AT 704 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF SPURGER...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  SPURGER BY 725 PM CST...
  MT. UNION BY 740 PM CST...
  MAGNOLIA SPRINGS BY 745 PM CST...

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.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN AN INTERIOR HALLWAY OR
SMALL ROOM LIKE A CLOSET ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS
AND USE PILLOWS OR BLANKETS TO COVER YOUR BODY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

&&

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

LAT...LON 3089 9395 3074 9387 3067 9387 3052 9431
      3062 9436
TIME...MOT...LOC 0106Z 241DEG 21KT 3060 9428

$$
TINGLER
1 follow-up statement
391 
WWUS54 KLCH 090133
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
733 PM CST TUE NOV 8 2011

TXC241-457-090142-
/O.CAN.KLCH.TO.W.0024.000000T0000Z-111109T0145Z/
JASPER TX-TYLER TX-
733 PM CST TUE NOV 8 2011

...THE TORNADO WARNING FOR SOUTHEASTERN TYLER AND CENTRAL JASPER
COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED, HOWEVER GUSTY 
WINDS OF 40 TO 50 MPH, HEAVY RAINFALL, AND FREQUENT LIGHTNING REMAIN 
IN THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

LAT...LON 3089 9395 3074 9387 3067 9387 3052 9431
      3062 9436
TIME...MOT...LOC 0132Z 241DEG 21KT 3067 9413

$$

TINGLER

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 6:08 PM CSTSpecial Weather StatementLCHHardin22 min
Nov 8, 6:27 PM CSTSpecial Weather StatementLCHJasper63 min
Nov 8, 7:37 PM CSTSpecial Weather StatementLCHJasper, Newton53 min
Nov 8, 7:39 PM CSTSpecial Weather StatementLCHJefferson51 min
Nov 8, 8:03 PM CSTTornado WarningLCHNewton29 min
Nov 8, 8:28 PM CSTSpecial Weather StatementLCHOrange47 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; radar from the NEXRAD Level II archive.