Alert archive / Louisiana / Tornado Warnings in 2012
Tornado Warning 43, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Mar 20, 2012, 2:46 PM CDT for Calcasieu Parish, Louisiana. It was in force for 29 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
- Mar 20, 2012, 2:46 PM CDT (19:46 UTC)
- Expired
- Mar 20, 2012, 3:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
County Calcasieu Parish, LA
The radar
The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 19:46 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 20, 9:46 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.8 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
- 1368 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.8
The text
As transmitted, in the capitals the NWS used until 2016.
076
WFUS54 KLCH 201946
TORLCH
LAC019-202015-
/O.NEW.KLCH.TO.W.0043.120320T1946Z-120320T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
246 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN CALCASIEU PARISH IN SOUTHWEST LOUISIANA...
THIS INCLUDES VINTON...
* UNTIL 315 PM CDT
* AT 241 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
SOUTHWEST OF VINTON...MOVING NORTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
VINTON BY 305 PM CDT...
EDGERLY AND LUNITA BY 315 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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CDT TUESDAY AFTERNOON
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.
LAT...LON 3012 9370 3014 9370 3014 9369 3015 9371
3017 9370 3018 9371 3040 9359 3040 9356
3027 9338 3010 9368
TIME...MOT...LOC 1947Z 220DEG 15KT 3016 9366
$$
25The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen | 7 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen, Jefferson Davis | 9 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Calcasieu | 7 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Beauregard | 5 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen | 6 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 6 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis | 4 days |
| Mar 20, 2:43 PM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 5 hr |
| Mar 20, 3:18 PM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu | 6 hr |
| Mar 20, 6:05 PM CDT | Flash Flood Warning | LCH | Vernon | 3 hr |
Nearby
Tornado Warnings in Louisiana, 2012Every tornado warning in 2012Tornadoes in 2012
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; radar from the NEXRAD Level II archive.