Alert archive / Louisiana / Tornado Warnings in 2009
Tornado Warning 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Apr 18, 2009, 7:45 PM CDT for Avoyelles Parish, Saint Landry Parish, Louisiana. It was in force for 30 min. 1 report 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
- Apr 18, 2009, 7:45 PM CDT (00:45 UTC)
- Expired
- Apr 18, 2009, 8:15 PM CDT
- In force
- 30 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Avoyelles Parish, LA, Saint Landry Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 18, 8:25 PM CDT | TSTM WND DMG | 5 E Palmetto, LA | LAW ENFORCEMENT REPORTS TREES AND POWER LINES DOWN NEAR PUMPING STATION ON HWY 10 BETWEEN PALMETTO AND MELVILLE. POSSIBLE TORNADO TOUCHDOWN. |
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 00:00Z, 0.8 hours before the alert went out and 145 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
- 1481 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 448 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 16.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KLCH 190045
TORLCH
LAC009-097-190115-
/O.NEW.KLCH.TO.W.0021.090419T0045Z-090419T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
745 PM CDT SAT APR 18 2009
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL AVOYELLES PARISH IN CENTRAL LOUISIANA...
NORTHERN ST. LANDRY PARISH IN CENTRAL LOUISIANA...
THIS INCLUDES THE CITIES OF...PALMETTO...MELVILLE...
* UNTIL 815 PM CDT
* AT 744 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
WASHINGTON...OR 7 MILES SOUTHWEST OF PALMETTO...MOVING NORTHEAST AT
15 MPH. ANOTHER STORM NEAR PORT BARRE CONTINUES TO SHOW ROTATION AS
WELL...AND IS ALSO CAPABLE OF PRODUCING A TORNADO. THIS STORM WILL
ALSO MOVE TO THE NORTHEAST...AND AFFECT LOCATIONS BETWEEN PORT BARRE
AND PALMETTO.
* THE TORNADO WILL BE NEAR...
PALMETTO BY 805 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
LAT...LON 3051 9192 3062 9214 3093 9201 3082 9180
3078 9175 3075 9175 3074 9173 3071 9173
3069 9173
TIME...MOT...LOC 0044Z 204DEG 14KT 3067 9200
$$
131 follow-up statement
000
WWUS54 KLCH 190103
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
803 PM CDT SAT APR 18 2009
LAC009-097-190115-
/O.CON.KLCH.TO.W.0021.000000T0000Z-090419T0115Z/
AVOYELLES LA-ST. LANDRY LA-
803 PM CDT SAT APR 18 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTHERN
ST. LANDRY AND SOUTH CENTRAL AVOYELLES PARISHES...
THE ROTATION IN THE LEAD THUNDERSTORM THAT PROMPTED THE INITIAL WARNING
HAS WEAKENED...HOWEVER AT 801 PM CDT...NATIONAL WEATHER SERVICE DOPPLER
RADAR CONTINUED TO INDICATE A TORNADO FROM A SECOND STORM. THIS TORNADO
WAS LOCATED 6 MILES NORTHEAST OF PORT BARRE...OR 7 MILES SOUTH OF
PALMETTO...MOVING NORTHEAST AT 15 MPH.
THE TORNADO WILL BE NEAR...
PALMETTO AND 6 MILES WEST OF MELVILLE BY 815 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 3051 9192 3062 9214 3093 9201 3082 9180
3078 9175 3075 9175 3074 9173 3071 9173
3069 9173
TIME...MOT...LOC 0102Z 219DEG 14KT 3062 9188
$$
13The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 7:07 PM CDT | Tornado Warning | LCH | Allen, Evangeline | 23 min |
| Apr 18, 7:15 PM CDT | Tornado Warning | LCH | Saint Landry | 30 min |
| Apr 18, 8:13 PM CDT | Tornado Warning | LCH | Saint Landry | 32 min |
| Apr 18, 8:31 PM CDT | Flash Flood Warning | LCH | Saint Landry | 3 hr |
| Apr 18, 8:44 PM CDT | Tornado Warning | LCH | Saint Landry | 31 min |
| Apr 18, 8:49 PM CDT | River Flood Warning | LCH | Calcasieu | 37 hr |
| Apr 18, 9:05 PM CDT | Tornado Warning | LCH | Saint Landry | 25 min |
| Apr 18, 9:06 PM CDT | Special Marine Warning | LCH | 114 min | |
| Apr 18, 10:22 PM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Saint Landry | 113 min |
| Apr 18, 10:41 PM CDT | River Flood Warning | LCH | Lafayette, Vermilion | 22 hr |
| Apr 18, 10:56 PM CDT | Special Marine Warning | LCH | 109 min | |
| Apr 19, 12:39 AM CDT | Special Marine Warning | LCH | 2 hr | |
| Apr 19, 1:22 AM CDT | Marine Weather Statement | LCH | 98 min | |
| Apr 19, 2:50 AM CDT | Special Marine Warning | LCH | 115 min | |
| Apr 19, 3:32 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis | 8 days |
| Apr 19, 5:53 AM CDT | Special Marine Warning | LCH | 97 min | |
| Apr 19, 8:02 AM CDT | Areal Flood Warning | LCH | Beauregard | 69 hr |
Nearby
Tornado Warnings in Louisiana, 2009Every tornado warning in 2009Tornadoes in 2009
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.