Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 91, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Dec 20, 2012, 7:34 AM CST for Hancock County, Harrison County, Mississippi. It was in force for 26 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, 7:34 AM CST (13:34 UTC)
- Expired
- Dec 20, 2012, 8:00 AM CST
- In force
- 26 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Hancock County, MS, Harrison 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 12:00Z, 1.6 hours before the alert went out and 40 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
- 1181 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
771
WFUS54 KLIX 201334
TORLIX
MSC045-047-201400-
/O.NEW.KLIX.TO.W.0091.121220T1334Z-121220T1400Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
734 AM CST THU DEC 20 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
THIS INCLUDES THE CITIES OF...WAVELAND...DIAMONDHEAD...BAY ST.
LOUIS...
WESTERN HARRISON COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 800 AM CST
* AT 734 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES EAST OF
STENNIS SPACE CENTER...OR 9 MILES WEST OF DIAMONDHEAD...MOVING
NORTHEAST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KILN
AND LYMAN
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 NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3040 8906 3032 8930 3035 8929 3037 8934
3035 8937 3035 8934 3033 8932 3031 8932
3024 8953 3038 8965 3065 8933 3057 8911
TIME...MOT...LOC 1334Z 239DEG 33KT 3036 8950
$$
7/ARM2 follow-up statements
502
WWUS54 KLIX 201346
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
746 AM CST THU DEC 20 2012
MSC045-047-201400-
/O.CON.KLIX.TO.W.0091.000000T0000Z-121220T1400Z/
HANCOCK MS-HARRISON MS-
746 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CST FOR WESTERN
HARRISON AND NORTHEASTERN HANCOCK COUNTIES...
AT 746 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR KILN...OR NEAR DIAMONDHEAD...MOVING NORTHEAST
AT 40 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LYMAN
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3046 8908 3032 8950 3039 8957 3065 8933
3057 8911
TIME...MOT...LOC 1346Z 239DEG 33KT 3042 8938
$$
7/ARM063
WWUS54 KLIX 201357
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
757 AM CST THU DEC 20 2012
MSC045-047-201406-
/O.EXP.KLIX.TO.W.0091.000000T0000Z-121220T1400Z/
HANCOCK MS-HARRISON MS-
757 AM CST THU DEC 20 2012
...THE TORNADO WARNING FOR WESTERN HARRISON AND NORTHERN HANCOCK
COUNTIES WILL EXPIRE AT 800 AM CST...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3046 8908 3032 8950 3039 8957 3065 8933
3057 8911
TIME...MOT...LOC 1356Z 239DEG 33KT 3047 8929
$$
7/ARMThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 4:05 AM CST | Tornado Warning | LIX | Jackson | 25 min |
| Dec 20, 5:31 AM CST | Tornado Warning | LIX | Pike, Walthall | 29 min |
| Dec 20, 5:44 AM CST | Tornado Warning | LIX | Pearl River | 16 min |
| Dec 20, 6:16 AM CST | Severe Thunderstorm Warning | LIX | Pearl River | 29 min |
| Dec 20, 6:31 AM CST | Severe Thunderstorm Warning | LIX | Pearl River | 44 min |
| Dec 20, 6:47 AM CST | Severe Thunderstorm Warning | LIX | Pearl River | 43 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, 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.