Alert archive / Louisiana / Tornado Warnings in 2011
Tornado Warning 13, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Mar 8, 2011, 2:56 PM CST for Pike County, Mississippi; Saint Helena Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 34 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
- Mar 8, 2011, 2:56 PM CST (20:56 UTC)
- Expired
- Mar 8, 2011, 3:30 PM CST
- In force
- 34 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Pike County, MS
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 8, 1:08 PM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.9 hours before the alert went out and 100 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 461 m²/s²
- 0-3 km storm-relative helicity
- 579 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
535
WFUS54 KLIX 082056
TORLIX
LAC091-105-117-MSC113-082130-
/O.NEW.KLIX.TO.W.0013.110308T2056Z-110308T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
256 PM CST TUE MAR 8 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN ST. HELENA PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF GREENSBURG...
NORTHERN TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF AMITE...
NORTHWESTERN WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
SOUTHERN PIKE COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 330 PM CST
* AT 252 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
MONTPELIER...OR 8 MILES SOUTH OF GREENSBURG...MOVING NORTHEAST AT
35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ROSELAND...KENTWOOD...WILMER...OSYKA AND MOUNT HERMAN
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.
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 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3094 9016 3065 9062 3065 9075 3074 9083
3111 9041
TIME...MOT...LOC 2056Z 227DEG 32KT 3074 9067
$$
95/DM3 follow-up statements
917
WWUS54 KLIX 082110
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
310 PM CST TUE MAR 8 2011
LAC091-105-117-MSC113-082130-
/O.CON.KLIX.TO.W.0013.000000T0000Z-110308T2130Z/
WASHINGTON LA-TANGIPAHOA LA-ST. HELENA LA-PIKE MS-
310 PM CST TUE MAR 8 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR SOUTHERN
PIKE COUNTY...AND EAST CENTRAL ST. HELENA...NORTHERN TANGIPAHOA AND
NORTHWESTERN WASHINGTON PARISHES...
AT 306 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
THUNDERSTORM WAS LOCATED NEAR GREENSBURG...MOVING NORTHEAST AT 35
MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ROSELAND...TANGIPAHOA...MOUNT HERMAN...KENTWOOD AND OSYKA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3094 9016 3070 9057 3076 9067 3082 9073
3111 9041
TIME...MOT...LOC 2110Z 218DEG 26KT 3082 9061
$$
95/DM384
WWUS54 KLIX 082120
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
320 PM CST TUE MAR 8 2011
LAC091-105-117-MSC113-082130-
/O.CON.KLIX.TO.W.0013.000000T0000Z-110308T2130Z/
WASHINGTON LA-TANGIPAHOA LA-ST. HELENA LA-PIKE MS-
320 PM CST TUE MAR 8 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR SOUTHERN
PIKE COUNTY...AND EAST CENTRAL ST. HELENA...NORTHERN TANGIPAHOA AND
NORTHWESTERN WASHINGTON PARISHES...
AT 315 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM CAPABLE OF PRODUCING TORNADO. THIS
THUNDERSTORM WAS LOCATED ABOUT 5 MILES NORTHEAST OF
GREENSBURG...MOVING NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TANGIPAHOA...MOUNT HERMAN...KENTWOOD AND OSYKA
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.
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 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3094 9016 3076 9056 3079 9064 3084 9070
3111 9041
TIME...MOT...LOC 2119Z 218DEG 26KT 3087 9058
$$
95/DM172
WWUS54 KLIX 082131
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
331 PM CST TUE MAR 8 2011
LAC091-105-117-MSC113-082141-
/O.EXP.KLIX.TO.W.0013.000000T0000Z-110308T2130Z/
WASHINGTON LA-TANGIPAHOA LA-ST. HELENA LA-PIKE MS-
331 PM CST TUE MAR 8 2011
...THE TORNADO WARNING FOR SOUTHERN PIKE COUNTY...AND EAST CENTRAL
ST. HELENA...NORTHERN TANGIPAHOA AND NORTHWESTERN WASHINGTON PARISHES
HAS EXPIRED...
THE STORM THAT PROMPTED THE WARNING IS STILL CAPABLE OF PRODUCING
STRONG WIND GUSTS TO AROUND 45 MPH AS WELL AS HEAVY RAINFALL AND
FREQUENT LIGHTNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3094 9016 3076 9056 3079 9064 3084 9070
3111 9041
TIME...MOT...LOC 2120Z 218DEG 26KT 3087 9056
$$
95/DMThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 9:41 AM CST | River Flood Warning | LIX | Hancock, Pearl River | 18 days |
| Mar 8, 9:48 AM CST | River Flood Warning | LIX | Hancock, Pearl River | 19 days |
| Mar 8, 4:27 PM CST | Flash Flood Warning | LIX | Amite, Pike, Walthall | 3 hr |
| Mar 8, 4:37 PM CST | Tornado Warning | LIX | Walthall | 19 min |
| Mar 8, 4:49 PM CST | Severe Thunderstorm Warning | LIX | Pearl River | 56 min |
| Mar 8, 5:28 PM CST | Tornado Warning | LIX | Pearl River | 32 min |
| Mar 8, 10:00 AM CST | River Flood Warning | LIX | Tangipahoa | 5 days |
| Mar 8, 1:02 PM CST | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 43 min |
| Mar 8, 4:00 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 45 min |
Nearby
Tornado Warnings in Louisiana, 2011Tornado Warnings in Mississippi, 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.