Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 89, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Dec 20, 2012, 5:31 AM CST for Washington Parish, Louisiana; Pike County, Walthall County, Mississippi. It was in force for 29 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
- Dec 20, 2012, 5:31 AM CST (11:31 UTC)
- Expired
- Dec 20, 2012, 6:00 AM CST
- In force
- 29 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Washington Parish, LA, Pike County, MS, 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 |
|---|---|---|---|
| Dec 20, 4:23 AM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 11.5 hours before the alert went out and 105 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 673 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
243
WFUS54 KLIX 201131
TORLIX
LAC117-MSC113-147-201200-
/O.NEW.KLIX.TO.W.0089.121220T1131Z-121220T1200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
531 AM CST THU DEC 20 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
EXTREME EAST CENTRAL PIKE COUNTY IN SOUTHERN MISSISSIPPI...
WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 600 AM CST
* AT 526 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
TYLERTOWN...OR 15 MILES NORTH OF FRANKLINTON...MOVING NORTHEAST AT
45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DEXTER
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3123 9002 3118 9002 3117 9000 3114 9000
3114 8994 3111 8992 3108 8992 3096 9021
3111 9031 3125 9004
TIME...MOT...LOC 1130Z 241DEG 38KT 3108 9016
$$2 follow-up statements
563
WWUS54 KLIX 201139
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
539 AM CST THU DEC 20 2012
LAC117-MSC113-201149-
/O.CAN.KLIX.TO.W.0089.000000T0000Z-121220T1200Z/
PIKE MS-WASHINGTON LA-
539 AM CST THU DEC 20 2012
...THE TORNADO WARNING FOR SOUTHEASTERN PIKE COUNTY...AND
NORTHWESTERN WASHINGTON PARISH IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3108 8992 3104 9008 3116 9021 3125 9004
3123 9002 3118 9002 3117 9000 3114 9000
3114 8994 3111 8992
TIME...MOT...LOC 1139Z 241DEG 38KT 3112 9006
$$
MSC147-201200-
/O.CON.KLIX.TO.W.0089.000000T0000Z-121220T1200Z/
WALTHALL MS-
539 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CST FOR CENTRAL
WALTHALL COUNTY...
AT 536 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 3 MILES EAST OF TYLERTOWN...MOVING NORTHEAST AT 45
MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DEXTER
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3108 8992 3104 9008 3116 9021 3125 9004
3123 9002 3118 9002 3117 9000 3114 9000
3114 8994 3111 8992
TIME...MOT...LOC 1139Z 241DEG 38KT 3112 9006
$$382
WWUS54 KLIX 201151
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
551 AM CST THU DEC 20 2012
MSC147-201201-
/O.EXP.KLIX.TO.W.0089.000000T0000Z-121220T1200Z/
WALTHALL MS-
551 AM CST THU DEC 20 2012
...THE TORNADO WARNING FOR CENTRAL WALTHALL COUNTY WILL EXPIRE AT 600
AM CST...
AT 551 AM CST...THE RADAR INDICATED TORNADO HAD MOVED EAST OF
WALTHALL COUNTY...AND THE WARNING WILL BE ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3108 8992 3104 9008 3116 9021 3125 9004
3123 9002 3118 9002 3117 9000 3114 9000
3114 8994 3111 8992
TIME...MOT...LOC 1151Z 241DEG 38KT 3118 8993
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 5:37 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 38 min |
| Dec 20, 5:56 AM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint Tammany, Tangipahoa, Washington | 64 min |
| Dec 20, 6:16 AM CST | Severe Thunderstorm Warning | LIX | Washington | 29 min |
| Dec 20, 6:31 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 44 min |
| Dec 20, 6:33 AM CST | Special Marine Warning | LIX | 42 min | |
| Dec 20, 6:47 AM CST | Special Marine Warning | LIX | 43 min | |
| Dec 20, 6:47 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington | 43 min |
| Dec 20, 6:59 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Jefferson, Lafourche, Saint Charles, Saint James, Saint John the Baptist and 1 more | 46 min |
| Dec 20, 7:27 AM CST | Special Marine Warning | LIX | 63 min | |
| Dec 20, 7:31 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 33 min |
| Dec 20, 7:37 AM CST | Special Marine Warning | LIX | 53 min | |
| Dec 20, 7:44 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 9 min |
| Dec 20, 8:10 AM CST | Special Marine Warning | LIX | 50 min | |
| Dec 20, 8:41 AM CST | Special Marine Warning | LIX | 49 min | |
| Dec 20, 8:47 AM CST | Special Marine Warning | LIX | 43 min | |
| Dec 20, 8:57 AM CST | Special Marine Warning | LIX | 63 min | |
| Dec 20, 9:02 AM CST | Special Marine Warning | LIX | 58 min | |
| Dec 20, 9:07 AM CST | Special Marine Warning | LIX | 53 min | |
| Dec 20, 9:20 AM CST | Special Marine Warning | LIX | 40 min | |
| Dec 20, 9:32 AM CST | Special Marine Warning | LIX | 28 min | |
| Dec 20, 9:48 AM CST | Special Marine Warning | LIX | 57 min | |
| Dec 20, 10:53 AM CST | Special Marine Warning | LIX | 82 min | |
| Dec 20, 4:05 AM CST | Tornado Warning | LIX | Jackson | 25 min |
| Dec 20, 5:44 AM CST | Tornado Warning | LIX | Pearl River | 16 min |
| Dec 20, 7:34 AM CST | Tornado Warning | LIX | Hancock, Harrison | 26 min |
| Dec 20, 8:03 AM CST | Severe Thunderstorm Warning | LIX | Harrison | 27 min |
| Dec 20, 9:13 AM CST | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 47 min |
Nearby
Tornado Warnings in Mississippi, 2012Tornado 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.