Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 20, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Sep 3, 2011, 12:59 PM CDT for Acadia Parish, Lafayette Parish, Vermilion Parish, Louisiana. It was in force for 31 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
- Sep 3, 2011, 12:59 PM CDT (17:59 UTC)
- Expired
- Sep 3, 2011, 1:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Acadia Parish, LA, Lafayette Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 87 km from the middle of the area, began a volume at 18:02 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 |
|---|---|---|---|
| Sep 3, 1:10 PM CDT | TORNADO | 3 Nw Maurice, LA | LAFAYETTE SHERIFF RELAYED A PUBLIC REPORT OF A TORNADO TOUCHDOWN NEAR GOLDEN GRAIN RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 3, 9:41 AM CDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.0 hours before the alert went out and 85 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
153 WFUS54 KLCH 031759 TORLCH LAC001-055-113-031830- /O.NEW.KLCH.TO.W.0020.110903T1759Z-110903T1830Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1259 PM CDT SAT SEP 3 2011 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA... CENTRAL ACADIA PARISH IN SOUTHWEST LOUISIANA... THIS INCLUDES...RAYNE...CROWLEY... NORTH CENTRAL VERMILION PARISH IN SOUTHWEST LOUISIANA... * UNTIL 130 PM CDT * AT 1257 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RIDGE... MOVING NORTHWEST AT 30 MPH. * THE TORNADO WILL BE NEAR... RIDGE BY 105 PM CDT... DUSON BY 110 PM CDT... RAYNE BY 115 PM CDT... CROWLEY BY 125 PM CDT... EGAN AND MAXIE BY 130 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. && PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 337-477-5285 EXTENSION 1. LAT...LON 3016 9251 3036 9244 3015 9205 3007 9208 TIME...MOT...LOC 1759Z 113DEG 28KT 3012 9213 $$
3 follow-up statements
225 WWUS54 KLCH 031805 SVSLCH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 105 PM CDT SAT SEP 3 2011 LAC001-055-113-031830- /O.CON.KLCH.TO.W.0020.000000T0000Z-110903T1830Z/ LAFAYETTE LA-ACADIA LA-VERMILION LA- 105 PM CDT SAT SEP 3 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR EXTREME NORTH CENTRAL VERMILION...CENTRAL ACADIA AND WEST CENTRAL LAFAYETTE PARISHES... AT 102 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A TORNADO. THIS TORNADO WAS LOCATED NEAR RIDGE..MOVING NORTHWEST AT 30 MPH. THE TORNADO WILL BE NEAR... DUSON BY 110 PM CDT... RAYNE BY 120 PM CDT... CROWLEY AND 7 MILES SOUTHEAST OF MAXIE BY 130 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR SOUTHWESTERN LOUISIANA. && LAT...LON 3017 9210 3008 9211 3016 9251 3036 9244 TIME...MOT...LOC 1805Z 125DEG 26KT 3014 9216 $$
940
WWUS54 KLCH 031815
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
115 PM CDT SAT SEP 3 2011
LAC113-031825-
/O.CAN.KLCH.TO.W.0020.000000T0000Z-110903T1830Z/
VERMILION LA-
115 PM CDT SAT SEP 3 2011
...THE TORNADO WARNING FOR EXTREME NORTH CENTRAL VERMILION PARISH IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN LOUISIANA.
LAT...LON 3016 9251 3036 9244 3020 9217 3013 9218
3014 9220 3014 9228 3015 9229 3013 9230
3012 9232
TIME...MOT...LOC 1815Z 111DEG 22KT 3016 9223
$$
LAC001-055-031830-
/O.CON.KLCH.TO.W.0020.000000T0000Z-110903T1830Z/
LAFAYETTE LA-ACADIA LA-
115 PM CDT SAT SEP 3 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR CENTRAL
ACADIA AND WEST CENTRAL LAFAYETTE PARISHES...
AT 111 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO. THIS TORNADO WAS LOCATED 6 MILES SOUTH OF DUSON..MOVING
WEST AT 25 MPH.
THE TORNADO WILL BE NEAR...
RAYNE BY 120 PM CDT...
CROWLEY BY 130 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NATIONAL WEATHER SERVICE RADAR INDICATES A TORNADO MAY FORM AT ANY
TIME. TAKE COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN LOUISIANA.
&&
LAT...LON 3016 9251 3036 9244 3020 9217 3013 9218
3014 9220 3014 9228 3015 9229 3013 9230
3012 9232
TIME...MOT...LOC 1815Z 111DEG 22KT 3016 9223
$$874
WWUS54 KLCH 031821
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
121 PM CDT SAT SEP 3 2011
LAC001-055-031832-
/O.EXP.KLCH.TO.W.0020.000000T0000Z-110903T1830Z/
LAFAYETTE LA-ACADIA LA-
121 PM CDT SAT SEP 3 2011
...THE TORNADO WARNING FOR CENTRAL ACADIA AND WEST CENTRAL LAFAYETTE
PARISHES WILL EXPIRE AT 130 PM CDT...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN LOUISIANA.
LAT...LON 3016 9251 3036 9244 3020 9217 3013 9218
3014 9220 3014 9228 3015 9229 3013 9230
3012 9232
TIME...MOT...LOC 1822Z 111DEG 22KT 3017 9228
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 12:55 PM CDT | Tornado Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 19 min |
| Sep 3, 3:00 PM CDT | River Flood Warning | LCH | Lafayette, Vermilion | 23 hr |
| Sep 3, 4:34 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis, Vermilion | 26 min |
| Sep 3, 5:27 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis | 33 min |
| Sep 3, 6:04 PM CDT | Flash Flood Warning | LCH | Acadia, Jefferson Davis, Lafayette, Vermilion | 6 hr |
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.