Alert archive / Louisiana / Tornado Warnings in 2011

Tornado Warning 12, NWS Lake Charles, LA

April 26, 2011Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this tornado warning at Apr 26, 2011, 12:14 AM CDT for Vernon Parish, Louisiana; Newton County, Texas. It was in force for 31 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 26, 2011, 12:14 AM CDT (05:14 UTC)
Expired: Apr 26, 2011, 12:45 AM CDT
In force: 31 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Vernon Parish, LA, 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 25, 10:47 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.2 hours before the alert went out and 115 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.

497 
WFUS54 KLCH 260514
TORLCH
LAC115-TXC351-260545-
/O.NEW.KLCH.TO.W.0012.110426T0514Z-110426T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1214 AM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NEWTON COUNTY IN SOUTHEAST TEXAS...
   THIS INCLUDES...TOLEDO BEND DAM...BURKEVILLE...
  WEST CENTRAL VERNON PARISH IN WEST CENTRAL LOUISIANA...
   THIS INCLUDES...BURR FERRY...

* UNTIL 1245 AM CDT

* AT 1211 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  MAYFLOWER...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  BURKEVILLE BY 1220 AM CDT...
  TOLEDO BEND DAM BY 1230 AM CDT...
  BURR FERRY BY 1235 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 3091 9336 3097 9386 3117 9386 3118 9364
      3119 9362 3118 9358 3119 9356 3120 9336
TIME...MOT...LOC 0513Z 276DEG 28KT 3107 9372

$$

SHAMBURGER

1 follow-up statement

198 
WWUS54 KLCH 260533
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1233 AM CDT TUE APR 26 2011

LAC115-TXC351-260545-
/O.CON.KLCH.TO.W.0012.000000T0000Z-110426T0545Z/
VERNON LA-NEWTON TX-
1233 AM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR
NORTHEASTERN NEWTON COUNTY...AND WEST CENTRAL VERNON PARISH...

AT 1229 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED 
TO DETECT A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES NORTHEAST 
OF BURKEVILLE..MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  BURR FERRY AND EVANS BY 1240 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

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

&&

LAT...LON 3091 9336 3096 9375 3117 9374 3118 9364
      3119 9362 3118 9358 3119 9356 3120 9336
TIME...MOT...LOC 0533Z 276DEG 28KT 3107 9357

$$

SHAMBURGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 11:08 PM CDT	Wind Advisory	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	41 hr
Apr 26, 12:43 AM CDT	Tornado Warning	LCH	Vernon	47 min
Apr 26, 1:21 AM CDT	Severe Thunderstorm Warning	LCH	Rapides, Vernon	39 min
Apr 26, 1:48 AM CDT	Special Weather Statement	LCH	Allen, Beauregard	57 min
Apr 26, 1:59 AM CDT	Special Weather Statement	LCH	Rapides	61 min
Apr 26, 2:06 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	24 min
Apr 26, 2:17 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Avoyelles, Evangeline, Rapides, Saint Landry	58 min
Apr 26, 2:35 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	55 min
Apr 26, 3:15 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Saint Landry	45 min
Apr 26, 3:17 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	58 min
Apr 26, 3:29 AM CDT	Special Weather Statement	LCH	Evangeline	46 min
Apr 26, 3:46 AM CDT	Special Marine Warning	LCH		44 min
Apr 26, 4:09 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	66 min
Apr 26, 4:39 AM CDT	Special Marine Warning	LCH		36 min
Apr 26, 5:25 AM CDT	Special Weather Statement	LCH	Calcasieu	65 min
Apr 26, 6:22 AM CDT	Severe Thunderstorm Warning	LCH	Vermilion	53 min
Apr 26, 6:29 AM CDT	Special Weather Statement	LCH	Jefferson Davis	46 min
Apr 26, 7:23 AM CDT	Special Weather Statement	LCH	Vermilion	37 min
Apr 26, 8:21 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, Saint Martin, St. Mary	54 min
Apr 26, 8:25 AM CDT	Special Marine Warning	LCH		50 min
Apr 26, 9:08 AM CDT	Special Marine Warning	LCH		67 min
Apr 26, 10:48 AM CDT	River Flood Warning	LCH	Calcasieu	46 hr
Apr 26, 10:48 AM CDT	River Flood Warning	LCH	Calcasieu	33 hr
Apr 25, 10:30 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	60 min
Apr 25, 11:20 PM CDT	Tornado Warning	LCH	Jasper	25 min
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, 12:35 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	55 min
Apr 26, 1:13 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	62 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, 4:33 AM CDT	Special Weather Statement	LCH	Orange	57 min

Nearby

Tornado Warnings in Louisiana, 2011 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; the sounding from the Mesonet's radiosonde archive.