Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 87, NWS New Orleans, LA

December 10, 2012Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Dec 10, 2012, 9:41 AM CST for Pearl River County, Mississippi. It was in force for 49 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 10, 2012, 9:41 AM CST (15:41 UTC)
Expired
Dec 10, 2012, 10:30 AM CST
In force
49 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

County Pearl River County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 10, 8:51 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.7 hours before the alert went out and 82 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2012-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2012-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
767 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

712 
WFUS54 KLIX 101541
TORLIX
MSC109-101630-
/O.NEW.KLIX.TO.W.0087.121210T1541Z-121210T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
941 AM CST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF POPLARVILLE...

* UNTIL 1030 AM CST

* AT 939 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF
  POPLARVILLE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM 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.

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 300 PM CST MONDAY AFTERNOON
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING FOR SOUTHEAST
LOUISIANA.

&&

LAT...LON 3101 8934 3085 8934 3079 8972 3090 8975
      3102 8951 3101 8948 3099 8947 3099 8943
      3102 8942 3102 8935
TIME...MOT...LOC 1542Z 252DEG 27KT 3085 8968

$$
2 follow-up statements
705 
WWUS54 KLIX 101557
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
957 AM CST MON DEC 10 2012

MSC109-101630-
/O.CON.KLIX.TO.W.0087.000000T0000Z-121210T1630Z/
PEARL RIVER MS-
957 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CST FOR
NORTHEASTERN PEARL RIVER COUNTY...

AT 953 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED OVER PEARL RIVER COUNTY...OR NEAR POPLARVILLE...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM CAPABLE OF PRODUCING A 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.

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 300 PM CST MONDAY AFTERNOON
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING FOR SOUTHEAST
LOUISIANA.

&&

LAT...LON 3101 8934 3090 8934 3087 8958 3094 8962
      3102 8951 3101 8948 3099 8947 3099 8943
      3102 8942 3102 8935
TIME...MOT...LOC 1557Z 252DEG 27KT 3091 8952

$$
394 
WWUS54 KLIX 101622
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1022 AM CST MON DEC 10 2012

MSC109-101632-
/O.EXP.KLIX.TO.W.0087.000000T0000Z-121210T1630Z/
PEARL RIVER MS-
1022 AM CST MON DEC 10 2012

...THE TORNADO WARNING FOR NORTHEASTERN PEARL RIVER COUNTY WILL
EXPIRE AT 1030 AM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING FOR SOUTHEAST
LOUISIANA.

LAT...LON 3101 8934 3090 8934 3087 8958 3094 8962
      3102 8951 3101 8948 3099 8947 3099 8943
      3102 8942 3102 8935
TIME...MOT...LOC 1622Z 252DEG 27KT 3097 8931

$$

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 10, 6:31 AM CSTTornado WarningLIXAmite29 min
Dec 10, 7:24 AM CSTSevere Thunderstorm WarningLIXPike, Walthall36 min
Dec 10, 7:33 AM CSTTornado WarningLIXPike, Walthall27 min
Dec 10, 7:53 AM CSTTornado WarningLIXWalthall37 min
Dec 10, 8:23 AM CSTSevere Thunderstorm WarningLIXPearl River, Pike, Walthall52 min
Dec 10, 9:10 AM CSTSevere Thunderstorm WarningLIXPearl River65 min
Dec 10, 9:19 AM CSTTornado WarningLIXPearl River26 min
Dec 10, 9:25 AM CSTSevere Thunderstorm WarningLIXPearl River65 min
Dec 10, 10:17 AM CSTSevere Thunderstorm WarningLIXHancock, Pearl River22 min
Dec 10, 10:18 AM CSTSevere Thunderstorm WarningLIXHancock42 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.