Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 106, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 3, 2011, 7:15 AM CDT for 7 parishes in Louisiana. It was in force for 60 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 3, 2011, 7:15 AM CDT (12:15 UTC)
- Expired
- Sep 3, 2011, 8:15 AM CDT
- In force
- 60 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Ascension Parish, LA, East Baton Rouge Parish, LA, Livingston Parish, LA, Saint Helena Parish, LA, Saint John the Baptist Parish, LA, Tangipahoa Parish, LA, West Baton Rouge Parish, LA
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, 1:43 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 0.3 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
- 850 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
309
WFUS54 KLIX 031215 RRA
TORLIX
LAC005-033-063-091-095-105-121-031315-
/O.NEW.KLIX.TO.W.0106.110903T1215Z-110903T1315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
715 AM CDT SAT SEP 3 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN ASCENSION PARISH IN SOUTHEAST LOUISIANA...
EAST BATON ROUGE PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITIES OF...ZACHARY...OAK HILLS PLACE...BATON
ROUGE...BAKER...
LIVINGSTON PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF DENHAM SPRINGS...
SOUTHWESTERN ST. HELENA PARISH IN SOUTHEAST LOUISIANA...
NORTHERN ST. JOHN THE BAPTIST PARISH IN SOUTHEAST LOUISIANA...
SOUTHERN TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...
WEST BATON ROUGE PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF PORT ALLEN...
* UNTIL 815 AM CDT
* AT 709 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS SQUALL
MOVING THROUGH THE WARNED AREA WITH MANY CIRCULATIONS...THE
STRONGEST WHICH IS NEAR LIVINGSTON. ALL OF THE CIRCULATIONS ARE
MOVING TO THE MOVING WEST-NORTHWEST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PRAIRIEVILLE...WALKER...WESTMINSTER...WATSON...GARDERE...GREENWELL
SPRINGS...PRIDE AND BRUSLY
AGAIN THIS IS A LARGE WARNING WITH NUMEROUS SMALLER CELLS WITH
CIRCULATION ALL WHICH COULD BE CAPABLE OF QUICKLY DROPPING A
TORNADO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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 1000 AM CDT SATURDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3047 9146 3071 9126 3072 9084 3037 9024
3010 9055 3014 9065 3017 9065 3016 9069
3030 9103 3032 9102 3032 9109
TIME...MOT...LOC 1214Z 126DEG 42KT 3049 9079
$$
CAB2 follow-up statements
241
WWUS54 KLIX 031227
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
727 AM CDT SAT SEP 3 2011
LAC005-033-063-091-095-105-121-031315-
/O.CON.KLIX.TO.W.0106.000000T0000Z-110903T1315Z/
ASCENSION LA-ST. JOHN THE BAPTIST LA-WEST BATON ROUGE LA-
ST. HELENA LA-EAST BATON ROUGE LA-LIVINGSTON LA-TANGIPAHOA LA-
727 AM CDT SAT SEP 3 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CDT FOR SOUTHERN
TANGIPAHOA...LIVINGSTON...EAST BATON ROUGE...SOUTHWESTERN ST.
HELENA...WEST BATON ROUGE...NORTHERN ST. JOHN THE BAPTIST AND
NORTHEASTERN ASCENSION PARISHES...
AT 723 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATE THE
STRONGEST ROTATION LOCATED 12 MILES SOUTHEAST OF KILLIAN...OR 9
MILES NORTH OF LAPLACE...MOVING NORTHWEST AT 50 MPH.
ADDITIONALLY VERY STRONG WIND GUSTS MAY BE BROUGHT DOWN BY THE
SHOWERS APPROACHING PRIDE AND BAKER WITH WINDS POSSIBLY GUSTING TO
60 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PONCHATOULA...SPRINGFIELD...WHITEHALL...LIVINGSTON...PRAIRIEVILLE...
WALKER...DENHAM SPRINGS...OAK HILLS PLACE...WATSON...WESTMINSTER...
GARDERE...GREENWELL SPRINGS...BATON ROUGE AIRPORT...ZACHARY...
PRIDE...PORT ALLEN...BRUSLY...BATON ROUGE AND BAKER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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 1000 AM CDT SATURDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3047 9146 3071 9126 3072 9084 3037 9024
3010 9055 3014 9065 3017 9065 3016 9069
3030 9103 3032 9102 3032 9109
TIME...MOT...LOC 1226Z 122DEG 41KT 3023 9049
$$
CAB976
WWUS54 KLIX 031252
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
752 AM CDT SAT SEP 3 2011
LAC005-033-063-091-095-105-121-031315-
/O.CON.KLIX.TO.W.0106.000000T0000Z-110903T1315Z/
ASCENSION LA-ST. JOHN THE BAPTIST LA-WEST BATON ROUGE LA-
ST. HELENA LA-EAST BATON ROUGE LA-LIVINGSTON LA-TANGIPAHOA LA-
752 AM CDT SAT SEP 3 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CDT FOR SOUTHERN
TANGIPAHOA...LIVINGSTON...EAST BATON ROUGE...SOUTHWESTERN ST.
HELENA...WEST BATON ROUGE...NORTHERN ST. JOHN THE BAPTIST AND
NORTHEASTERN ASCENSION PARISHES...
AT 746 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED 13 MILES SOUTHEAST OF
PONCHATOULA...OR 13 MILES WEST OF MANDEVILLE...MOVING NORTHWEST AT 50
MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KILLIAN...SPRINGFIELD...WHITEHALL...BATON ROUGE AIRPORT...ZACHARY...
WESTMINSTER...WATSON...WALKER...PRIDE...PRAIRIEVILLE...PORT ALLEN...
OAK HILLS PLACE...LIVINGSTON...GREENWELL SPRINGS...GARDERE...DENHAM
SPRINGS...BRUSLY...BATON ROUGE AND BAKER
CURRENTLY WE ARE DETECTING AN AREA OF ENHANCED WINDS AND POSSIBLE
TORNADO CURRENTLY MOVING INTO EXTREME SOUTHERN TANGIPAHOA. THIS CELL
HAS PRODUCED A WIND GUST OF 59 MPH AT THE MID LAKE OBSERVATION ON
THE CAUSEWAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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 1000 AM CDT SATURDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3047 9146 3071 9126 3072 9084 3037 9024
3010 9055 3014 9065 3017 9065 3016 9069
3030 9103 3032 9102 3032 9109
TIME...MOT...LOC 1251Z 129DEG 45KT 3035 9034
$$
CABThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 9:48 PM CDT | Special Marine Warning | LIX | 27 min | |
| Sep 2, 9:55 PM CDT | Tornado Warning | LIX | Terrebonne | 35 min |
| Sep 3, 12:58 AM CDT | Tornado Warning | LIX | Lafourche, Terrebonne | 32 min |
| Sep 3, 1:19 AM CDT | Tornado Warning | LIX | Assumption, Terrebonne | 26 min |
| Sep 3, 2:16 AM CDT | Tornado Warning | LIX | Lafourche | 29 min |
| Sep 3, 2:23 AM CDT | Tornado Warning | LIX | Ascension, East Baton Rouge, Iberville, West Baton Rouge | 22 min |
| Sep 3, 2:37 AM CDT | Tornado Warning | LIX | Saint Bernard | 23 min |
| Sep 3, 2:45 AM CDT | Tornado Warning | LIX | Lafourche, Saint James, Saint John the Baptist | 30 min |
| Sep 3, 2:48 AM CDT | Tornado Warning | LIX | Jefferson, Lafourche, Saint Charles | 27 min |
| Sep 3, 2:53 AM CDT | Special Marine Warning | LIX | 52 min | |
| Sep 3, 3:12 AM CDT | Tornado Warning | LIX | Lafourche, Saint Charles, Saint John the Baptist | 33 min |
| Sep 3, 3:25 AM CDT | Special Marine Warning | LIX | 20 min | |
| Sep 3, 3:27 AM CDT | Tornado Warning | LIX | Plaquemines | 33 min |
| Sep 3, 3:37 AM CDT | Special Marine Warning | LIX | 23 min | |
| Sep 3, 3:40 AM CDT | Tornado Warning | LIX | Ascension, Livingston, Saint James, Saint John the Baptist | 35 min |
| Sep 3, 3:46 AM CDT | Special Marine Warning | LIX | 44 min | |
| Sep 3, 4:17 AM CDT | Special Marine Warning | LIX | 28 min | |
| Sep 3, 4:18 AM CDT | Tornado Warning | LIX | Orleans, Saint Tammany | 27 min |
| Sep 3, 4:21 AM CDT | Special Marine Warning | LIX | 24 min | |
| Sep 3, 4:33 AM CDT | Tornado Warning | LIX | Livingston, Saint John the Baptist, Tangipahoa | 27 min |
| Sep 3, 4:36 AM CDT | Tornado Warning | LIX | Orleans, Plaquemines, Saint Bernard | 24 min |
| Sep 3, 4:41 AM CDT | Tornado Warning | LIX | Jefferson, Plaquemines, Saint Charles | 34 min |
| Sep 3, 4:44 AM CDT | Special Marine Warning | LIX | 31 min | |
| Sep 3, 4:45 AM CDT | Tornado Warning | LIX | Saint Tammany, Tangipahoa | 45 min |
| Sep 3, 4:56 AM CDT | Tornado Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 49 min |
| Sep 3, 4:58 AM CDT | Tornado Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa | 47 min |
| Sep 3, 5:01 AM CDT | Special Marine Warning | LIX | 29 min | |
| Sep 3, 5:11 AM CDT | Tornado Warning | LIX | Jefferson, Plaquemines, Saint Charles | 49 min |
| Sep 3, 5:18 AM CDT | Tornado Warning | LIX | Plaquemines | 27 min |
| Sep 3, 5:26 AM CDT | Special Marine Warning | LIX | 34 min | |
| Sep 3, 5:30 AM CDT | Special Marine Warning | LIX | 45 min | |
| Sep 3, 5:41 AM CDT | Tornado Warning | LIX | Livingston, Saint John the Baptist, Tangipahoa | 49 min |
| Sep 3, 5:46 AM CDT | Tornado Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles | 44 min |
| Sep 3, 5:50 AM CDT | Special Marine Warning | LIX | 40 min | |
| Sep 3, 6:01 AM CDT | Special Marine Warning | LIX | 44 min | |
| Sep 3, 6:17 AM CDT | Tornado Warning | LIX | Saint Tammany, Washington | 43 min |
| Sep 3, 6:29 AM CDT | Tornado Warning | LIX | Ascension, East Baton Rouge, Livingston, Saint John the Baptist | 46 min |
| Sep 3, 6:37 AM CDT | Tornado Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 38 min |
| Sep 3, 6:44 AM CDT | Special Marine Warning | LIX | 46 min | |
| Sep 3, 6:58 AM CDT | Tornado Warning | LIX | Saint Tammany, Washington | 47 min |
| Sep 3, 7:15 AM CDT | Tornado Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles | 45 min |
| Sep 3, 7:18 AM CDT | Special Marine Warning | LIX | 42 min | |
| Sep 3, 7:23 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 3 hr |
| Sep 3, 7:26 AM CDT | Special Marine Warning | LIX | 49 min | |
| Sep 3, 7:44 AM CDT | Tornado Warning | LIX | Saint Tammany | 61 min |
| Sep 3, 8:00 AM CDT | Special Marine Warning | LIX | 45 min | |
| Sep 3, 8:03 AM CDT | Flash Flood Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa | 6 hr |
| Sep 3, 8:08 AM CDT | Tornado Warning | LIX | Orleans, Saint Bernard | 37 min |
| Sep 3, 8:13 AM CDT | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena, Tangipahoa | 62 min |
| Sep 3, 8:18 AM CDT | Special Marine Warning | LIX | 42 min | |
| Sep 3, 8:21 AM CDT | Special Marine Warning | LIX | 24 min | |
| Sep 3, 8:42 AM CDT | Tornado Warning | LIX | Saint Tammany, Washington | 63 min |
| Sep 3, 8:57 AM CDT | Special Marine Warning | LIX | 33 min | |
| Sep 3, 9:10 AM CDT | Tornado Warning | LIX | Livingston, Saint Helena, Tangipahoa | 65 min |
| Sep 3, 9:40 AM CDT | River Flood Warning | LIX | East Baton Rouge | 3 days |
| Sep 3, 10:12 AM CDT | River Flood Warning | LIX | Livingston | 5 days |
| Sep 3, 10:17 AM CDT | River Flood Warning | LIX | Saint Tammany | 3 days |
| Sep 3, 10:19 AM CDT | Special Marine Warning | LIX | 26 min | |
| Sep 3, 12:17 PM CDT | Special Marine Warning | LIX | 28 min | |
| Sep 3, 12:53 PM CDT | Tornado Warning | LIX | Saint Helena, Tangipahoa | 37 min |
| Sep 3, 12:59 PM CDT | Tornado Warning | LIX | Saint Charles, Saint John the Baptist | 31 min |
| Sep 3, 1:02 PM CDT | Tornado Warning | LIX | Saint Tammany, Tangipahoa | 43 min |
| Sep 3, 1:29 PM CDT | Tornado Warning | LIX | East Feliciana, Saint Helena, Tangipahoa | 31 min |
| Sep 3, 1:38 PM CDT | Special Marine Warning | LIX | 37 min | |
| Sep 3, 1:46 PM CDT | Tornado Warning | LIX | Livingston, Saint John the Baptist, Tangipahoa | 29 min |
| Sep 3, 2:08 PM CDT | Special Marine Warning | LIX | 22 min | |
| Sep 3, 2:15 PM CDT | Tornado Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa | 30 min |
| Sep 3, 2:53 PM CDT | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena | 37 min |
| Sep 3, 3:32 PM CDT | Tornado Warning | LIX | East Baton Rouge, East Feliciana, West Feliciana | 28 min |
| Sep 3, 3:57 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines | 3 hr |
| Sep 3, 4:58 PM CDT | Special Marine Warning | LIX | 62 min | |
| Sep 3, 6:02 PM CDT | Special Marine Warning | LIX | 58 min | |
| Sep 3, 6:25 PM CDT | Special Marine Warning | LIX | 35 min | |
| Sep 3, 6:35 PM CDT | Tornado Warning | LIX | Plaquemines | 25 min |
| Sep 3, 6:51 PM CDT | Tornado Warning | LIX | Plaquemines | 39 min |
| Sep 3, 6:53 PM CDT | Special Marine Warning | LIX | 52 min | |
| Sep 3, 6:59 PM CDT | Special Marine Warning | LIX | 46 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.