Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 72, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 2, 2011, 3:44 PM CDT for Jefferson Parish, Lafourche Parish, Louisiana. It was in force for 46 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
- Sep 2, 2011, 3:44 PM CDT (20:44 UTC)
- Expired
- Sep 2, 2011, 4:30 PM CDT
- In force
- 46 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Jefferson Parish, LA, Lafourche Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 hours before the alert went out and 117 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
- 1468 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
372
WFUS54 KLIX 022044
TORLIX
LAC051-057-022130-
/O.NEW.KLIX.TO.W.0072.110902T2044Z-110902T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
344 PM CDT FRI SEP 2 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
EXTREME SOUTHEASTERN JEFFERSON PARISH IN SOUTHEAST LOUISIANA...
SOUTHEASTERN LAFOURCHE PARISH IN SOUTHEAST LOUISIANA...
* UNTIL 430 PM CDT
* AT 342 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 33 MILES
SOUTHEAST OF LEEVILLE...OR 33 MILES SOUTH OF PORT SULPHUR...MOVING
NORTHWEST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GRAND
ISLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
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.
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. 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.
&&
LAT...LON 2919 9029 2922 9029 2926 9034 2944 9022
2932 9002 2930 9001 2927 9002 2925 9008
2922 9006 2925 8999 2927 8998 2929 9000
2930 8998 2927 8994 2912 9014
TIME...MOT...LOC 2043Z 122DEG 37KT 2903 8973
$$1 follow-up statement
631
WWUS54 KLIX 022108
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
408 PM CDT FRI SEP 2 2011
LAC051-057-022130-
/O.CON.KLIX.TO.W.0072.000000T0000Z-110902T2130Z/
LAFOURCHE LA-JEFFERSON LA-
408 PM CDT FRI SEP 2 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EXTREME
SOUTHEASTERN JEFFERSON AND SOUTHEASTERN LAFOURCHE PARISHES...
AT 405 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED 8 MILES SOUTH OF GRAND
ISLE...OR 28 MILES SOUTHWEST OF PORT SULPHUR...MOVING NORTHWEST AT
45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LEEVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
&&
LAT...LON 2919 9029 2922 9029 2926 9034 2944 9022
2932 9002 2930 9001 2927 9002 2925 9008
2922 9006 2925 8999 2927 8998 2929 9000
2930 8998 2927 8994 2912 9014
TIME...MOT...LOC 2108Z 122DEG 37KT 2917 8998
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:02 PM CDT | Tropical Storm Warning | LIX | Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more | 3 days |
| Sep 2, 11:11 AM CDT | River Flood Warning | LIX | Tangipahoa | 6 days |
| Sep 2, 11:11 AM CDT | River Flood Warning | LIX | Saint Tammany | 6 days |
| Sep 2, 11:16 AM CDT | River Flood Warning | LIX | St. Mary | 3 days |
| Sep 2, 12:53 PM CDT | Special Marine Warning | LIX | 37 min | |
| Sep 2, 1:35 PM CDT | Special Marine Warning | LIX | 25 min | |
| Sep 2, 3:21 PM CDT | Special Marine Warning | LIX | 24 min | |
| Sep 2, 3:38 PM CDT | Special Marine Warning | LIX | 37 min | |
| Sep 2, 4:29 PM CDT | Tornado Warning | LIX | Lafourche, Terrebonne | 31 min |
| Sep 2, 4:57 PM CDT | Tornado Warning | LIX | Saint Bernard | 33 min |
| Sep 2, 5:08 PM CDT | Special Marine Warning | LIX | 22 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; the sounding from the Mesonet's radiosonde archive.