Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 16, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Apr 27, 2011, 1:35 AM CDT for Jasper County, Newton County, Texas; Vernon Parish, Louisiana. It was in force for 23 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, 1:35 AM CDT (06:35 UTC)
- Expired
- Apr 27, 2011, 1:58 AM CDT
- In force
- 23 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Vernon Parish, LA, 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.
| 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, 6.6 hours before the alert went out and 124 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.
498
WFUS54 KLCH 270635
TORLCH
LAC115-TXC241-351-270715-
/O.NEW.KLCH.TO.W.0016.110427T0635Z-110427T0715Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
135 AM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN JASPER COUNTY IN SOUTHEAST TEXAS...
NORTHERN NEWTON COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...TOLEDO BEND DAM...BURKEVILLE...
WESTERN VERNON PARISH IN WEST CENTRAL LOUISIANA...
* UNTIL 215 AM CDT
* AT 132 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
BROWNDELL...MOVING EAST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
HARRISBURG BY 140 AM CDT...
FARRSVILLE BY 145 AM CDT...
MAYFLOWER BY 155 AM CDT...
TOLEDO BEND DAM AND BURR FERRY BY 210 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 SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.
LAT...LON 3096 9339 3098 9408 3111 9410 3112 9405
3115 9404 3117 9390 3118 9358 3121 9355
3125 9355 3128 9353 3130 9343
TIME...MOT...LOC 0635Z 261DEG 38KT 3111 9396
$$
241 follow-up statement
168
WWUS54 KLCH 270658
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
158 AM CDT WED APR 27 2011
LAC115-TXC241-351-270706-
/O.CAN.KLCH.TO.W.0016.000000T0000Z-110427T0715Z/
VERNON LA-NEWTON TX-JASPER TX-
158 AM CDT WED APR 27 2011
...THE TORNADO WARNING FOR NORTHEASTERN JASPER AND NORTHERN NEWTON
COUNTIES...AND WEST CENTRAL VERNON PARISH IS CANCELLED...
THE THUNDERSTORM WHICH PROMPTED THE WARNING HAS RAPIDLY WEAKENED AND
IS NO LONGER CONSIDERED A THREAT. HOWEVER ADDITIONAL ACTIVITY DEVELOPING TO
THE WEST OF THIS STORM MAY REQUIRE ADDITIONAL WARNINGS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
LAT...LON 3096 9339 3098 9408 3111 9410 3112 9405
3115 9404 3117 9390 3118 9358 3121 9355
3125 9355 3128 9353 3130 9343
TIME...MOT...LOC 0656Z 261DEG 38KT 3114 9370
$$
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, 12:40 AM CDT | Tornado Warning | LCH | Jasper, Tyler | 50 min |
| Apr 27, 4:13 PM CDT | Small Craft Advisory | LCH | 18 hr |
Nearby
Tornado Warnings in Texas, 2011Tornado Warnings in Louisiana, 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.