Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 91, NWS Jackson, MS

December 10, 2012Marion County, Mississippi

NWS Jackson, MS issued this tornado warning at Dec 10, 2012, 8:14 AM CST for Marion County, Mississippi. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Dec 10, 2012, 8:14 AM CST (14:14 UTC)
Expired
Dec 10, 2012, 8:54 AM CST
In force
40 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

County Marion County, MS

What was reported inside it

TimeReportWhereRemark
Dec 10, 8:19 AM CSTTORNADO 15 Wsw Pickwick, MSSURVEY TEAM FOUND AN EF-1 TORNADO WITH MAX WINDS OF 100 MPH AND A MAX WIDTH OF 100 YDS. NUMEROUS TREES WERE SNAPPED AND UPROOTED ALONG PATH. A COUPLE OF SHEDS AND A GAZEBO WERE DESTROYED. SHINGLE DAMAGE OCCURRED TO A COUPLE OF HOMES. A METAL CARPORT WAS BLOWN
Dec 10, 8:25 AM CSTTSTM WND DMG3 W Pickwick, MSTREES DOWNED ALONG POUNDS ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 10, 5:44 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.2 hours before the alert went out and 98 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°0°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.

181 
WFUS54 KJAN 101414
TORJAN
MSC091-101515-
/O.NEW.KJAN.TO.W.0091.121210T1414Z-121210T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
814 AM CST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...

* UNTIL 915 AM CST

* AT 814 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  SOUTHWEST OF PICKWICK MOVING EAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  PICKWICK BY 825 AM CST...
  PINEBUR BY 835 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3107 8985 3107 8992 3108 8993 3112 8995
      3113 9001 3113 9002 3117 9001 3129 8965
      3110 8966 3106 8984
TIME...MOT...LOC 1414Z 248DEG 41KT 3108 8996

$$

JA
4 follow-up statements
734 
WWUS54 KJAN 101433
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
833 AM CST MON DEC 10 2012

MSC091-101515-
/O.CON.KJAN.TO.W.0091.000000T0000Z-121210T1515Z/
MARION MS-
833 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CST FOR SOUTHERN
MARION COUNTY...

AT 832 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR PICKWICK MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  PINEBUR BY 840 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

WALTHALL COUNTY EMERGENCY MANAGEMENT REPORTED DAMAGE TO A BARN TO A 
ROOF OF AN OFFICE BUILDING NEAR THE MISSISSIPPI AND LOUISIANA STATE 
LINE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3107 8985 3107 8992 3108 8993 3112 8995
      3113 9001 3113 9002 3117 9001 3129 8965
      3110 8966 3106 8984
TIME...MOT...LOC 1432Z 243DEG 32KT 3116 8981

$$

JA
162 
WWUS54 KJAN 101444
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
844 AM CST MON DEC 10 2012

MSC091-101515-
/O.CON.KJAN.TO.W.0091.000000T0000Z-121210T1515Z/
MARION MS-
844 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CST FOR EAST
CENTRAL MARION COUNTY...

AT 842 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR PINEBUR MOVING NORTHEAST AT 35 MPH.

TREES HAVE BEEN REPORTED DOWN ON TOUNDS ROAD NEAR PICKWICK PER 
EMERGENCY MANAGEMENT SOURCES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3110 8966 3109 8974 3113 8981 3118 8982
      3125 8977 3129 8965
TIME...MOT...LOC 1442Z 243DEG 32KT 3120 8971

$$
279 
WWUS54 KJAN 101445 RRA
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
845 AM CST MON DEC 10 2012

MSC091-101515-
/O.CON.KJAN.TO.W.0091.000000T0000Z-121210T1515Z/
MARION MS-
845 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CST FOR EAST
CENTRAL MARION COUNTY...

AT 842 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR PINEBUR MOVING NORTHEAST AT 35 MPH.

TREES HAVE BEEN REPORTED DOWN ON POUNDS ROAD NEAR PICKWICK PER 
EMERGENCY MANAGEMENT SOURCES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3110 8966 3109 8974 3113 8981 3118 8982
      3125 8977 3129 8965
TIME...MOT...LOC 1442Z 243DEG 32KT 3120 8971

$$
700 
WWUS54 KJAN 101454
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
854 AM CST MON DEC 10 2012

MSC091-101504-
/O.CAN.KJAN.TO.W.0091.000000T0000Z-121210T1515Z/
MARION MS-
854 AM CST MON DEC 10 2012

...THE TORNADO WARNING FOR EAST CENTRAL MARION COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND MOVED 
OUT OF THE COUNTY. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST MONDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3110 8966 3109 8974 3113 8981 3118 8982
      3125 8977 3129 8965
TIME...MOT...LOC 1454Z 243DEG 32KT 3119 8957

$$

JA

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 11:00 PM CSTSpecial Weather StatementJANHumphreys, Issaquena, Sharkey, Washington40 min
Dec 9, 11:24 PM CSTSpecial Weather StatementJANHolmes, Humphreys, Yazoo46 min
Dec 10, 12:49 AM CSTSpecial Weather StatementJANAttala, Choctaw, Clay, Oktibbeha, Webster, Winston61 min
Dec 10, 12:54 AM CSTSevere Thunderstorm WarningJANWebster25 min
Dec 10, 1:48 AM CSTSpecial Weather StatementJANLowndes42 min
Dec 10, 3:43 AM CSTSpecial Weather StatementJANFranklin32 min
Dec 10, 3:55 AM CSTTornado WarningJANFranklin38 min
Dec 10, 4:29 AM CSTTornado WarningJANLincoln31 min
Dec 10, 5:03 AM CSTSpecial Weather StatementJANAdams32 min
Dec 10, 5:06 AM CSTSevere Thunderstorm WarningJANAdams25 min
Dec 10, 5:07 AM CSTTornado WarningJANCopiah23 min
Dec 10, 5:23 AM CSTSevere Thunderstorm WarningJANFranklin, Jefferson37 min
Dec 10, 5:27 AM CSTTornado WarningJANSimpson63 min
Dec 10, 6:14 AM CSTTornado WarningJANSmith20 min
Dec 10, 6:43 AM CSTSpecial Weather StatementJANSimpson32 min
Dec 10, 6:52 AM CSTSevere Thunderstorm WarningJANSimpson, Smith68 min
Dec 10, 6:55 AM CSTSpecial Weather StatementJANLawrence40 min
Dec 10, 7:09 AM CSTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion51 min
Dec 10, 7:36 AM CSTSpecial Weather StatementJANJasper29 min
Dec 10, 7:41 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis44 min
Dec 10, 8:06 AM CSTSpecial Weather StatementJANLauderdale29 min
Dec 10, 8:16 AM CSTSevere Thunderstorm WarningJANJones44 min
Dec 10, 8:32 AM CSTSpecial Weather StatementJANLauderdale58 min
Dec 10, 8:39 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale40 min
Dec 10, 8:45 AM CSTSevere Thunderstorm WarningJANForrest, Lamar45 min
Dec 10, 8:58 AM CSTSpecial Weather StatementJANClarke42 min
Dec 10, 9:08 AM CSTSpecial Weather StatementJANClarke32 min
Dec 10, 9:10 AM CSTSpecial Weather StatementJANJones45 min
Dec 10, 9:20 AM CSTSevere Thunderstorm WarningJANForrest, Jones40 min
Dec 10, 9:31 AM CSTSpecial Weather StatementJANForrest44 min
Dec 10, 10:09 AM CSTSpecial Weather StatementJANForrest26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.