Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 111, NWS Mobile, AL

December 25, 2012Greene County, Perry County, Mississippi

NWS Mobile, AL issued this tornado warning at Dec 25, 2012, 4:06 PM CST for Greene County, Perry County, Mississippi. It was in force for 54 min. 3 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 25, 2012, 4:06 PM CST (22:06 UTC)
Expired
Dec 25, 2012, 5:00 PM CST
In force
54 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Greene County, MS, Perry County, MS

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 22:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 25, 4:15 PM CSTTORNADO 2Janice, MS4 HOMES WITH MAJOR STRUCTURAL DAMAGE ALONG TORNADO PATH. NUMEROUS REPORTS OF DAMAGE ALONG TORNADO TRACK ACROSS SOUTHERN PERRY COUNTY.
Dec 25, 4:15 PM CSTTORNADOJanice, MS4 HOMES WITH MAJOR STRUCTURAL DAMAGE ALONG TORNADO PATH. NUMEROUS REPORTS OF DAMAGE ALONG TORNADO TRACK ACROSS SOUTHERN PERRY COUNTY.
Dec 25, 4:30 PM CSTTORNADOMclain, MSA FEW HOMES REPORTED DAMAGED IN MCLAIN. MCLAIN ELEMENTARY SCHOOL EXPERIENCED MINOR DAMAGE. TIME ESTIMATED.

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 25, 12:58 PM CSTTornado Watch PDSSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.1 hours before the alert went out and 125 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 2012-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 790 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
790 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
1.1
Supercell composite
10.0

Open this sounding in Storm Lab

The text

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

996 
WFUS54 KMOB 252206
TORMOB
MSC041-111-252300-
/O.NEW.KMOB.TO.W.0111.121225T2206Z-121225T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
406 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 500 PM CST

* AT 359 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES NORTHWEST OF WIGGINS...OR 11 MILES
  NORTH OF PERKINSTON...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MCLAIN...             LEAKESVILLE...        NEW AUGUSTA...
  BEAUMONT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH
CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3120 8912 3126 8897 3143 8847 3103 8845
      3099 8861 3100 8861 3100 8883 3093 8884
      3092 8914 3116 8915
TIME...MOT...LOC 2206Z 230DEG 40KT 3099 8913

$$
3 follow-up statements
631 
WWUS54 KMOB 252217
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
417 PM CST TUE DEC 25 2012

MSC041-111-252300-
/O.CON.KMOB.TO.W.0111.000000T0000Z-121225T2300Z/
PERRY MS-GREENE MS-
417 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR GREENE
AND SOUTHERN PERRY COUNTIES...

AT 408 PM CST...A CONFIRMED TORNADO WAS NOW LOCATED 9 MILES NORTH 
OF WIGGINS...OR 14 MILES NORTH OF PERKINSTON...MOVING NORTHEAST AT 
40 MPH.

LOCATIONS IMPACTED INCLUDE...
  JANICE...      MCLAIN...             LEAKESVILLE...        
  NEW AUGUSTA... BEAUMONT...  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH
CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3120 8912 3126 8897 3143 8847 3103 8845
      3099 8861 3100 8861 3100 8883 3093 8884
      3092 8914 3116 8915
TIME...MOT...LOC 2216Z 236DEG 35KT 3103 8904

$$
309 
WWUS54 KMOB 252226
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
426 PM CST TUE DEC 25 2012

MSC041-111-252300-
/O.CON.KMOB.TO.W.0111.000000T0000Z-121225T2300Z/
PERRY MS-GREENE MS-
426 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR GREENE
AND SOUTHERN PERRY COUNTIES...

AT 422 PM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO  WAS LOCATED 17 MILES NORTHEAST OF WIGGINS...OR 8
MILES SOUTHWEST OF MCLAIN...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MCLAIN...             LEAKESVILLE...        BEAUMONT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH
CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3106 8909 3126 8897 3143 8847 3103 8846
      3099 8860 3100 8883 3093 8884 3092 8914
TIME...MOT...LOC 2226Z 244DEG 46KT 3107 8890

$$
140 
WWUS54 KMOB 252241
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
441 PM CST TUE DEC 25 2012

MSC041-111-252300-
/O.CON.KMOB.TO.W.0111.000000T0000Z-121225T2300Z/
PERRY MS-GREENE MS-
441 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR GREENE
AND SOUTHERN PERRY COUNTIES...

AT 436 PM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO  WAS LOCATED 15 MILES WEST OF LEAKESVILLE...OR 3
MILES NORTHEAST OF MCLAIN...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MCLAIN...             LEAKESVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH
CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3103 8910 3111 8893 3130 8885 3143 8847
      3103 8846 3099 8859 3100 8883 3093 8884
      3092 8914
TIME...MOT...LOC 2241Z 236DEG 40KT 3117 8875

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 25, 3:19 PM CSTTornado WarningMOBPerry, Stone56 min
Dec 25, 3:49 PM CSTSevere Thunderstorm WarningMOBGreene, Perry, Wayne56 min
Dec 25, 4:12 PM CSTTornado WarningMOBGeorge, Greene, Perry, Stone48 min
Dec 25, 4:14 PM CSTTornado WarningMOBPerry, Wayne61 min
Dec 25, 4:24 PM CSTTornado WarningMOBWayne66 min
Dec 25, 4:50 PM CSTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone55 min
Dec 25, 4:52 PM CSTTornado WarningMOBWayne53 min
Dec 25, 5:00 PM CSTTornado WarningMOBGeorge, Greene, Perry45 min
Dec 25, 5:28 PM CSTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone, Wayne62 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; radar from the NEXRAD Level II archive.