Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 10, NWS Lake Charles, LA

April 25, 2011Jasper County, Texas

NWS Lake Charles, LA issued this tornado warning at Apr 25, 2011, 11:20 PM CDT for Jasper County, Texas. It was in force for 25 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 25, 2011, 11:20 PM CDT (04:20 UTC)
Expired: Apr 25, 2011, 11:45 PM CDT
In force: 25 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Jasper County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 25, 11:35 PM CDT	HAIL 1	5 S Browndell, TX	PUBLIC REPORTED QUARTER SIZE HAIL AT HWY 96 AND FM 255. TIME ESTIMATED BASED ON RADAR
Apr 25, 11:40 PM CDT	TSTM WND DMG	Brookeland, TX	JASPER SHERIFF REPORTS TREES DOWN ON ROADS NEAR BROOKELAND AS WELL AS DIME SIZE HAIL.
Apr 25, 11:40 PM CDT	NON-TSTM WND DMG	Brookeland, TX	JASPER SHERIFF REPORTS TREES DOWN ON ROADS NEAR BROOKELAND AS WELL AS DIME SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 25, 10:47 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.3 hours before the alert went out and 137 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

985 
WFUS54 KLCH 260420
TORLCH
TXC241-260445-
/O.NEW.KLCH.TO.W.0010.110426T0420Z-110426T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1120 PM CDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JASPER COUNTY IN SOUTHEAST TEXAS...
   THIS INCLUDES EBENEZER...SAM RAYBURN DAM...BROWNDELL...

* UNTIL 1145 PM CDT

* AT 1116 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR EBENEZER...
  MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  EBENEZER BY 1125 PM CDT...
  BROWNDELL AND HARRISBURG BY 1145 PM 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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
LARGE HAIL UP TO GOLFBALL SIZE AND DAMAGING WINDS OVER 60 MPH.

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 3116 9392 3095 9387 3096 9423 3099 9423
      3102 9425 3104 9429 3103 9431 3107 9430
      3112 9405 3114 9405 3115 9402
TIME...MOT...LOC 0419Z 283DEG 22KT 3108 9419

$$

SHAMBURGER

1 follow-up statement

851 
WWUS54 KLCH 260432
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1132 PM CDT MON APR 25 2011

TXC241-260445-
/O.CON.KLCH.TO.W.0010.000000T0000Z-110426T0445Z/
JASPER TX-
1132 PM CDT MON APR 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR NORTHERN
JASPER COUNTY...

AT 1130 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A 
TORNADO.  THIS TORNADO WAS LOCATED NEAR SAM RAYBURN DAM...MOVING EAST
AT 20 MPH.

THE TORNADO WILL BE NEAR...
  BROWNDELL BY 1145 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN A MOBILE HOME...WHETHER IT IS TIED DOWN OR NOT...
EVACUATE IT AND FIND A MORE STURDY SHELTER. MOBILE HOMES CAN BE
PICKED UP OR TOSSED BY THE TORNADO.

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

&&

LAT...LON 3116 9392 3095 9387 3099 9423 3108 9424
      3112 9405 3114 9405 3115 9402
TIME...MOT...LOC 0432Z 278DEG 18KT 3108 9413

$$

SHAMBURGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 10:30 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	60 min
Apr 25, 11:08 PM CDT	Wind Advisory	LCH	Hardin, Tyler	41 hr
Apr 25, 11:28 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton, Tyler	62 min
Apr 25, 11:43 PM CDT	Tornado Warning	LCH	Jasper, Newton	32 min
Apr 26, 12:14 AM CDT	Tornado Warning	LCH	Newton	31 min
Apr 26, 12:35 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	55 min
Apr 26, 12:43 AM CDT	Tornado Warning	LCH	Newton	47 min
Apr 26, 1:13 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	62 min
Apr 26, 2:06 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	24 min
Apr 26, 2:23 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	52 min
Apr 26, 2:56 AM CDT	Tornado Warning	LCH	Hardin	34 min
Apr 26, 3:15 AM CDT	Special Weather Statement	LCH	Newton	45 min
Apr 26, 3:17 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Jefferson, Newton, Orange	58 min
Apr 26, 4:09 AM CDT	Severe Thunderstorm Warning	LCH	Orange	66 min
Apr 26, 4:33 AM CDT	Special Weather Statement	LCH	Orange	57 min

Nearby

Tornado Warnings in Texas, 2011 Every tornado warning in 2011 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.