Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 160, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Nov 16, 2011, 3:25 AM CST for Walthall County, Mississippi. It was in force for 35 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
- Nov 16, 2011, 3:25 AM CST (09:25 UTC)
- Expired
- Nov 16, 2011, 4:00 AM CST
- In force
- 35 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
County Walthall 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 |
|---|---|---|---|
| Nov 16, 2:20 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.4 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
- 1734 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
098
WFUS54 KLIX 160925
TORLIX
MSC147-161000-
/O.NEW.KLIX.TO.W.0160.111116T0925Z-111116T1000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
325 AM CST WED NOV 16 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 400 AM CST
* AT 321 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
TYLERTOWN...OR 14 MILES SOUTHEAST OF MCCOMB...MOVING NORTHEAST AT
35 MPH.
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 CST WEDNESDAY MORNING
FOR SOUTHERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 AM CST WEDNESDAY MORNING FOR SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI.
&&
LAT...LON 3133 9007 3134 9004 3124 9004 3123 9002
3119 9002 3103 9024 3105 9026 3128 9026
3136 9018 3136 9011
TIME...MOT...LOC 0925Z 226DEG 32KT 3116 9023
$$2 follow-up statements
210
WWUS54 KLIX 160944
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
344 AM CST WED NOV 16 2011
MSC147-161000-
/O.CON.KLIX.TO.W.0160.000000T0000Z-111116T1000Z/
WALTHALL MS-
344 AM CST WED NOV 16 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CST FOR WESTERN
WALTHALL COUNTY...
AT 339 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR SALEM...OR 18 MILES
WEST OF COLUMBIA...MOVING NORTHEAST AT 30 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST WEDNESDAY MORNING
FOR SOUTHERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 AM CST WEDNESDAY MORNING FOR SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI.
&&
LAT...LON 3133 9007 3134 9004 3124 9004 3123 9002
3119 9002 3103 9024 3105 9026 3128 9026
3136 9018 3136 9011
TIME...MOT...LOC 0944Z 231DEG 28KT 3124 9010
$$333
WWUS54 KLIX 161000
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
400 AM CST WED NOV 16 2011
MSC147-161010-
/O.EXP.KLIX.TO.W.0160.000000T0000Z-111116T1000Z/
WALTHALL MS-
400 AM CST WED NOV 16 2011
...THE TORNADO WARNING FOR WESTERN WALTHALL COUNTY HAS EXPIRED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST WEDNESDAY MORNING
FOR SOUTHERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1000 AM CST WEDNESDAY MORNING FOR SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI.
LAT...LON 3133 9007 3134 9004 3124 9004 3123 9002
3119 9002 3103 9024 3105 9026 3128 9026
3136 9018 3136 9011
TIME...MOT...LOC 0944Z 231DEG 28KT 3124 9010
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 1:44 AM CST | Tornado Warning | LIX | Pike, Walthall | 46 min |
| Nov 16, 6:15 AM CST | Severe Thunderstorm Warning | LIX | Hancock, Pearl River | 60 min |
| Nov 16, 7:34 AM CST | Tornado Warning | LIX | Hancock, Harrison | 41 min |
Nearby
Tornado 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.