Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 68, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jul 13, 2011, 12:32 PM CDT for Plaquemines Parish, Louisiana. It was in force for 28 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
- Jul 13, 2011, 12:32 PM CDT (17:32 UTC)
- Expired
- Jul 13, 2011, 1:00 PM CDT
- In force
- 28 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, 5.5 hours before the alert went out and 110 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
- 2898 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
520
WFUS54 KLIX 131732
TORLIX
LAC075-131800-
/O.NEW.KLIX.TO.W.0068.110713T1732Z-110713T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1232 PM CDT WED JUL 13 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL PLAQUEMINES PARISH IN SOUTHEAST LOUISIANA...
* UNTIL 100 PM CDT
* AT 1223 PM CDT...SHERIFFS DEPUTIES REPORTED A LARGE
WATERSPOUT OVER THE MISSISSIPPI RIVER NEAR BURAS AND
BOOTHVILLE...OR JUST WEST OF VENICE...MOVING EAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
VENICE
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.
&&
LAT...LON 2918 8946 2923 8952 2937 8952 2937 8937
2936 8936 2937 8934 2936 8935 2935 8933
2937 8928 2932 8924 2933 8921 2915 8922
TIME...MOT...LOC 1730Z 272DEG 8KT 2927 8942
$$
22/TD1 follow-up statement
034
WWUS54 KLIX 131804
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
104 PM CDT WED JUL 13 2011
LAC075-131813-
/O.EXP.KLIX.TO.W.0068.000000T0000Z-110713T1800Z/
PLAQUEMINES LA-
104 PM CDT WED JUL 13 2011
...THE TORNADO WARNING FOR CENTRAL PLAQUEMINES PARISH HAS EXPIRED...
THE THUNDERSTORM THAT PRODUCED THE LARGE WATERSPOUT REMAINED AWAY
FROM LAND AREAS NEAR THE MISSISSIPPI RIVER...SO THE TORNADO WARNING
WAS ALLOWED TO EXPIRE. MARINERS AND BOATERS IN THE MARSHES AND
NEARSHORE WATERS AROUND LOWER PLAQUEMINES PARISH SHOULD BE PREPARED
FOR ADDITIONAL WATERSPOUT DEVELOPMENT.
LAT...LON 2918 8946 2923 8952 2937 8952 2937 8937
2936 8936 2937 8934 2936 8935 2935 8933
2937 8928 2932 8924 2933 8921 2915 8922
TIME...MOT...LOC 1732Z 272DEG 8KT 2927 8941
$$
22/TDThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 1:51 PM CDT | Special Marine Warning | LIX | 54 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.