Alert archive / Louisiana / Tornado Warnings in 2012
Tornado Warning 75, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 5, 2012, 11:50 AM CDT for Plaquemines Parish, Louisiana. It was in force for 55 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 5, 2012, 11:50 AM CDT (16:50 UTC)
- Expired
- Sep 5, 2012, 12:45 PM CDT
- In force
- 55 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
County Plaquemines Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.8 hours before the alert went out and 118 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
- 448 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
032
WFUS54 KLIX 051650
TORLIX
LAC075-051745-
/O.NEW.KLIX.TO.W.0075.120905T1650Z-120905T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1150 AM CDT WED SEP 5 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL AND LOWER PLAQUEMINES PARISH IN SOUTHEAST LOUISIANA...
* UNTIL 1245 PM CDT
* AT 1145 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES NORTH
OF BOOTHVILLE...OR 19 MILES EAST OF PORT SULPHUR...MOVING SOUTH AT
25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
BOOTHVILLE AND BURAS BY 1220 PM CDT...
VENICE BY 1225 PM CDT...
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.
PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.
&&
LAT...LON 2902 8936 2907 8936 2908 8941 2913 8942
2919 8947 2924 8959 2946 8952 2939 8951
2941 8947 2939 8933 2938 8932 2936 8935
2936 8930 2917 8932 2916 8934 2913 8932
2901 8933
TIME...MOT...LOC 1650Z 009DEG 20KT 2949 8940
$$
22/TD2 follow-up statements
534
WWUS54 KLIX 051722
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1222 PM CDT WED SEP 5 2012
LAC075-051745-
/O.CON.KLIX.TO.W.0075.000000T0000Z-120905T1745Z/
PLAQUEMINES LA-
1222 PM CDT WED SEP 5 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR CENTRAL
AND LOWER PLAQUEMINES PARISH...
AT 1216 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A LARGE TORNADO.
THIS STORM WAS LOCATED 7 MILES NORTH OF BURAS...OR 15 MILES EAST OF
PORT SULPHUR...MOVING SOUTH AT 25 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
BURAS...6 MILES WEST OF BOOTHVILLE BY 1235 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.
&&
LAT...LON 2940 8937 2916 8942 2916 8945 2919 8947
2924 8959 2946 8952 2939 8951 2941 8947
TIME...MOT...LOC 1721Z 014DEG 20KT 2942 8947
$$
22/TD775
WWUS54 KLIX 051746
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1246 PM CDT WED SEP 5 2012
LAC075-051753-
/O.EXP.KLIX.TO.W.0075.000000T0000Z-120905T1745Z/
PLAQUEMINES LA-
1246 PM CDT WED SEP 5 2012
...THE TORNADO WARNING FOR CENTRAL AND LOWER PLAQUEMINES PARISH
EXPIRED AT 1245 PM CDT...
THE TORNADO WARNING HAS BEEN REPLACED WITH A SEVERE THUNDERSTORM
WARNING THAT WILL BE IN EFFECT FOR CENTRAL AND LOWER PLAQUEMINES
PARISH THROUGH 115 PM CDT.
LAT...LON 2940 8937 2916 8942 2916 8945 2919 8947
2924 8959 2946 8952 2939 8951 2941 8947
TIME...MOT...LOC 1743Z 014DEG 20KT 2930 8950
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:41 PM CDT | Special Marine Warning | LIX | 64 min | |
| Sep 4, 8:11 PM CDT | Special Marine Warning | LIX | 49 min | |
| Sep 4, 8:55 PM CDT | Special Marine Warning | LIX | 50 min | |
| Sep 4, 9:56 PM CDT | Special Marine Warning | LIX | 49 min | |
| Sep 4, 10:53 PM CDT | Special Marine Warning | LIX | 52 min | |
| Sep 4, 11:43 PM CDT | Special Marine Warning | LIX | 62 min | |
| Sep 5, 4:30 AM CDT | Special Marine Warning | LIX | 90 min | |
| Sep 5, 6:03 AM CDT | Special Marine Warning | LIX | 87 min | |
| Sep 5, 7:47 AM CDT | Small Craft Advisory | LIX | 7 hr | |
| Sep 5, 8:31 AM CDT | Special Marine Warning | LIX | 59 min | |
| Sep 5, 9:31 AM CDT | Special Marine Warning | LIX | 59 min | |
| Sep 5, 10:31 AM CDT | Special Marine Warning | LIX | 59 min | |
| Sep 5, 10:42 AM CDT | Special Marine Warning | LIX | 63 min | |
| Sep 5, 11:29 AM CDT | Special Marine Warning | LIX | 61 min | |
| Sep 5, 12:43 PM CDT | Severe Thunderstorm Warning | LIX | Plaquemines | 32 min |
| Sep 5, 12:51 PM CDT | Special Marine Warning | LIX | 54 min | |
| Sep 5, 1:52 PM CDT | Special Marine Warning | LIX | 53 min | |
| Sep 5, 5:16 PM CDT | Special Marine Warning | LIX | 44 min | |
| Sep 5, 6:32 PM CDT | Special Marine Warning | LIX | 28 min |
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.