Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 32, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Dec 20, 2011, 8:25 AM CST for Beauregard Parish, Calcasieu Parish, Louisiana. It was in force for 35 min. 2 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
- Dec 20, 2011, 8:25 AM CST (14:25 UTC)
- Expired
- Dec 20, 2011, 9:00 AM CST
- In force
- 35 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Beauregard Parish, LA, Calcasieu Parish, LA
The radar
The Lake Charles radar (KLCH), 43 km from the middle of the area, began a volume at 14:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 20, 8:25 AM CST | TSTM WND DMG | Dequincy, LA | PUBLIC REPORTED ROOF BLOWN OFF WEST WING OF PATIENT CARE FACILITY OF DEQUINCY MEMORIAL HOSPITAL. CALLED HOSPITAL AND DAMAGE WAS CONFIRMED BY HOSPITAL EMPLOYEE. |
| Dec 20, 8:25 AM CST | TORNADO 1 | Ene Dequincy, LA | PUBLIC REPORTED ROOF BLOWN OFF WEST WING OF PATIENT CARE FACILITY OF DEQUINCY MEMORIAL HOSPITAL. CALLED HOSPITAL AND DAMAGE WAS CONFIRMED BY HOSPITAL EMPLOYEE. FROM STORM SURVEY THERE IS A DAMAGE PATH STRETCHING FROM .25 MILE SW OF THE HOSPITAL TO .5 MILE NE O |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.4 hours before the alert went out and 44 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
- 879 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
494
WFUS54 KLCH 201425
TORLCH
LAC011-019-201500-
/O.NEW.KLCH.TO.W.0032.111220T1425Z-111220T1500Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
825 AM CST TUE DEC 20 2011
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN BEAUREGARD PARISH IN SOUTHWEST LOUISIANA...
THIS INCLUDES RAGLEY...
NORTH CENTRAL CALCASIEU PARISH IN SOUTHWEST LOUISIANA...
THIS INCLUDES DE QUINCY...
* UNTIL 900 AM CST
* AT 824 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DE
QUINCY...MOVING NORTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
RAGLEY BY 855 AM CST...
LONGVILLE BY 900 AM 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.
&&
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.
LAT...LON 3051 9313 3048 9313 3034 9347 3049 9357
3050 9357 3069 9325
TIME...MOT...LOC 1426Z 240DEG 16KT 3047 9343
$$
132 follow-up statements
710
WWUS54 KLCH 201441
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
841 AM CST TUE DEC 20 2011
LAC019-201451-
/O.CAN.KLCH.TO.W.0032.000000T0000Z-111220T1500Z/
CALCASIEU LA-
841 AM CST TUE DEC 20 2011
...THE TORNADO WARNING FOR NORTH CENTRAL CALCASIEU PARISH IS
CANCELLED...
LAT...LON 3051 9313 3042 9332 3057 9343 3068 9324
3052 9314
TIME...MOT...LOC 1441Z 239DEG 24KT 3052 9332
$$
LAC011-201500-
/O.CON.KLCH.TO.W.0032.000000T0000Z-111220T1500Z/
BEAUREGARD LA-
841 AM CST TUE DEC 20 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM CST FOR CENTRAL
BEAUREGARD PARISH...
AT 838 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO. THIS TORNADO WAS LOCATED 6 MILES WEST OF RAGLEY..MOVING
NORTHEAST AT 25 MPH.
THE TORNADO WILL BE NEAR...
RAGLEY BY 850 AM CST...
LONGVILLE BY 855 AM 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.
&&
LAT...LON 3051 9313 3042 9332 3057 9343 3068 9324
3052 9314
TIME...MOT...LOC 1441Z 239DEG 24KT 3052 9332
$$
13528
WWUS54 KLCH 201500
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
900 AM CST TUE DEC 20 2011
LAC011-201509-
/O.EXP.KLCH.TO.W.0032.000000T0000Z-111220T1500Z/
BEAUREGARD LA-
900 AM CST TUE DEC 20 2011
...THE TORNADO WARNING FOR CENTRAL BEAUREGARD PARISH WILL EXPIRE AT
900 AM CST...
THE STORM THAT PROMPTED THE WARNING STILL SHOWS SOME WEAK
ROTATION...BUT NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO AT
THIS TIME.
LAT...LON 3051 9313 3042 9332 3057 9343 3068 9324
3052 9314
TIME...MOT...LOC 1459Z 239DEG 24KT 3058 9320
$$
13The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 5:54 AM CST | Areal Flood Advisory | LCH | Beauregard, Rapides, Vernon | 111 min |
| Dec 20, 6:28 AM CST | Flash Flood Warning | LCH | Beauregard, Rapides, Vernon | 3 hr |
| Dec 20, 7:29 AM CST | Severe Thunderstorm Warning | LCH | Beauregard | 61 min |
| Dec 20, 8:32 AM CST | Areal Flood Advisory | LCH | Allen, Beauregard, Calcasieu, Rapides, Vernon | 118 min |
Nearby
Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.