Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 15, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Apr 27, 2011, 12:40 AM CDT for Jasper County, Tyler County, Texas. It was in force for 50 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 27, 2011, 12:40 AM CDT (05:40 UTC)
- Expired
- Apr 27, 2011, 1:30 AM CDT
- In force
- 50 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Jasper County, TX, Tyler County, TX
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 26, 9:42 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.7 hours before the alert went out and 149 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.
- Mixed-layer CAPE
- 2959 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
126
WFUS54 KLCH 270540
TORLCH
TXC241-457-270630-
/O.NEW.KLCH.TO.W.0015.110427T0540Z-110427T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1240 AM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN JASPER COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...EBENEZER...JASPER...
NORTHERN TYLER COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...ROCKLAND...COLMESNEIL...CHESTER...
* UNTIL 130 AM CDT
* AT 1238 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
NORTHWEST OF CHESTER...MOVING EAST AT 55 MPH.
* THE TORNADO WILL BE NEAR...
CHESTER BY 1245 AM CDT...
COLMESNEIL BY 1255 AM CDT...
ROCKLAND BY 100 AM CDT...
EBENEZER BY 115 AM CDT...
JASPER AND BROWNDELL BY 125 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 500 AM CDT WEDNESDAY MORNING
FOR SOUTHEAST TEXAS.
&&
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.
LAT...LON 3107 9458 3106 9453 3104 9447 3112 9405
3115 9404 3115 9393 3085 9388 3087 9463
3102 9466
TIME...MOT...LOC 0540Z 272DEG 47KT 3104 9467
$$
241 follow-up statement
081
WWUS54 KLCH 270613
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
113 AM CDT WED APR 27 2011
TXC241-457-270630-
/O.CON.KLCH.TO.W.0015.000000T0000Z-110427T0630Z/
JASPER TX-TYLER TX-
113 AM CDT WED APR 27 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR NORTH
CENTRAL TYLER AND NORTHERN JASPER COUNTIES...
AT 110 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
POSSIBLE TORNADO. THIS TORNADO WAS LOCATED NEAR EBENEZER..MOVING
EAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAM
RAYBURN DAM AND BROWNDELL
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NATIONAL WEATHER SERVICE RADAR INDICATES A POSSIBLE TORNADO. TAKE
COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN INTERIOR
ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
LAT...LON 3095 9432 3107 9432 3112 9405 3113 9405
3113 9393 3093 9389
TIME...MOT...LOC 0612Z 271DEG 46KT 3104 9420
$$
MMThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 10:01 PM CDT | Coastal Flood Advisory | LCH | 18 hr | |
| Apr 27, 1:35 AM CDT | Tornado Warning | LCH | Jasper, Newton | 23 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.