Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 230, NWS Mobile, AL

December 25, 20124 counties in Mississippi; Mobile County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Dec 25, 2012, 6:29 PM CST for 4 counties in Mississippi; Mobile County, Washington County, Alabama. It was in force for 46 min. 5 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, 6:29 PM CST (00:29 UTC)
Expired: Dec 25, 2012, 7:15 PM CST
In force: 46 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 58 km from the middle of the area, began a volume at 00:31 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

Time	Report	Where	Remark
Dec 25, 6:59 PM CST	TORNADO	Deer Park, AL	TREE AND SOME STRUCTURAL DAMAGE REPORTED NEAR DEER PARK.
Dec 25, 7:20 PM CST	TSTM WND DMG	6 E Agricola, MS	TWO HOMES DAMAGED...ONE WITH SIGNIFICANT ROOF DAMAGE. THE OTHER EXPERIENCED MINOR DAMAGE. TREES ALSO DOWN.
Dec 25, 7:24 PM CST	TORNADO 1	Wilmer, AL	A FEW HOMES AND TRAILERS ARE DAMAGED IN THE NACHEZ HWY AREA OF WILMER.
Dec 25, 7:24 PM CST	TORNADO	Wilmer, AL	A FEW HOMES AND TRAILERS ARE DAMAGED IN THE NACHEZ HWY AREA OF WILMER. EXTENT OF DAMAGE UNKNOWN AT THIS TIME.
Dec 25, 7:25 PM CST	TORNADO	3 Se Wilmer, AL	LARGE TREES BLOCKING 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.

Issued	Product	Office	Lasted
Dec 25, 12:58 PM CST	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.5 hours before the alert went out and 106 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1619 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 486 m²/s²
0-3 km storm-relative helicity: 466 m²/s²
Significant tornado parameter: 5.0
Supercell composite: 18.1

Open this sounding in Storm Lab

The text

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

360 
WUUS54 KMOB 260029
SVRMOB
ALC097-129-MSC039-041-111-131-260115-
/O.NEW.KMOB.SV.W.0230.121226T0029Z-121226T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
629 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  EASTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  SOUTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 715 PM CST

* AT 626 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG
  A LINE EXTENDING FROM 7 MILES WEST OF LEAKESVILLE TO 13 MILES
  SOUTHEAST OF WIGGINS TO 14 MILES NORTH OF GULFPORT...AND MOVING
  EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GULFCREST...          CITRONELLE...         MCLAIN...
  LEAKESVILLE...        WIGGINS...            PERKINSTON...
  MCHENRY...            LUCEDALE...           DEER PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3079 8920 3119 8887 3125 8798 3080 8830
      3073 8842 3073 8888 3067 8889 3067 8923
      3065 8925
TIME...MOT...LOC 0029Z 264DEG 42KT 3116 8863 3073 8894
          3059 8908

$$

3 follow-up statements

692 
WWUS54 KMOB 260040
SVSMOB

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

ALC097-129-MSC039-041-111-131-260115-
/O.CON.KMOB.SV.W.0230.000000T0000Z-121226T0115Z/
WASHINGTON AL-STONE MS-PERRY MS-GREENE MS-GEORGE MS-MOBILE AL-
640 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN MOBILE...GEORGE...SOUTHERN GREENE...SOUTHEASTERN
PERRY...EASTERN STONE AND SOUTHERN WASHINGTON COUNTIES...

AT 636 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM LEAKESVILLE TO 19 MILES SOUTHEAST OF WIGGINS TO
13 MILES NORTH OF BILOXI...MOVING EAST AT 50 MPH.

THE STRONGEST STORM ALONG THE LINE WAS OVER SOUTHEAST STONE COUNTY 
AND WAS LIKELY PRODUCING SEVERE HAIL AT LEAST TO QUARTER SIZE. THIS 
STORM WAS ALSO TRYING TO PRODUCE A ROTATION.

LOCATIONS IMPACTED INCLUDE...
  GULFCREST...          CITRONELLE...         MCLAIN...
  LEAKESVILLE...        MCHENRY...            LUCEDALE...
  DEER PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3083 8909 3119 8879 3125 8798 3080 8830
      3073 8842 3073 8888 3067 8889 3067 8923
      3065 8925
TIME...MOT...LOC 0038Z 264DEG 42KT 3117 8851 3074 8882
          3060 8896

$$

726 
WWUS54 KMOB 260051
SVSMOB

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

MSC111-131-260100-
/O.CAN.KMOB.SV.W.0230.000000T0000Z-121226T0115Z/
STONE MS-PERRY MS-
651 PM CST TUE DEC 25 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN PERRY AND EASTERN STONE COUNTIES...

AT 645 PM CST...THE LINE OF STORMS THAT PROMPTED THE WARNING FOR 
SOUTHEASTERN PERRY AND EASTERN STONE COUNTIES HAS MOVED OUT OF THE 
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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 3073 8888 3091 8888 3091 8883 3109 8875
      3120 8867 3125 8798 3080 8830 3073 8842
TIME...MOT...LOC 0050Z 269DEG 36KT 3118 8840 3075 8871
          3061 8885

$$

ALC097-129-MSC039-041-260115-
/O.CON.KMOB.SV.W.0230.000000T0000Z-121226T0115Z/
WASHINGTON AL-GREENE MS-GEORGE MS-MOBILE AL-
651 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN MOBILE...GEORGE...SOUTHEASTERN GREENE AND SOUTHERN
WASHINGTON COUNTIES...

AT 645 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 6 MILES EAST OF LEAKESVILLE TO 16 MILES SOUTHWEST
OF LUCEDALE TO 12 MILES NORTH OF ST. MARTIN...MOVING EAST AT 40 MPH.

THE STRONGEST PORTION OF THE LINE WAS MOVING INTO WESTERN GEORGE 
COUNTY AND WAS LIKELY PRODUCING SEVERE HAIL IN EXCESS OF QUARTER 
SIZE.

LOCATIONS IMPACTED INCLUDE...
  GULFCREST...          CITRONELLE...         LEAKESVILLE...
  LUCEDALE...           DEER PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3073 8888 3091 8888 3091 8883 3109 8875
      3120 8867 3125 8798 3080 8830 3073 8842
TIME...MOT...LOC 0050Z 269DEG 36KT 3118 8840 3075 8871
          3061 8885

$$

279 
WWUS54 KMOB 260105
SVSMOB

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

ALC097-129-MSC039-041-260115-
/O.CON.KMOB.SV.W.0230.000000T0000Z-121226T0115Z/
WASHINGTON AL-GREENE MS-GEORGE MS-MOBILE AL-
705 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN MOBILE...EASTERN GEORGE...SOUTHEASTERN GREENE AND
SOUTHERN WASHINGTON COUNTIES...

AT 703 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 11 MILES NORTHWEST OF JACKSON TO 6 MILES NORTH OF
CITRONELLE TO 12 MILES EAST OF LUCEDALE TO 12 MILES SOUTH OF
LUCEDALE...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOWA CHOCTAW RESERVATION...                 GULFCREST...
  CITRONELLE...         LUCEDALE...           DEER PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3074 8872 3088 8871 3096 8869 3105 8856
      3121 8848 3125 8798 3080 8830 3073 8842
TIME...MOT...LOC 0105Z 267DEG 33KT 3164 8799 3118 8824
          3095 8837 3076 8861

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 25, 7:00 PM CST	Severe Thunderstorm Warning	MOB	George, Greene	60 min
Dec 25, 7:19 PM CST	Severe Thunderstorm Warning	MOB	George	41 min
Dec 26, 5:43 AM CST	Wind Advisory	MOB	George, Greene, Perry, Stone, Wayne	9 hr
Dec 25, 6:08 PM CST	Tornado Warning	MOB	Clarke, Monroe, Wilcox	67 min
Dec 25, 6:20 PM CST	Special Marine Warning	MOB		85 min
Dec 25, 6:20 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	55 min
Dec 25, 6:38 PM CST	Coastal Flood Advisory	MOB		5 hr
Dec 25, 6:59 PM CST	Tornado Warning	MOB	Clarke, Monroe	45 min
Dec 25, 7:00 PM CST	Tornado Warning	MOB	Wilcox	30 min
Dec 25, 7:21 PM CST	Tornado Warning	MOB	Mobile	39 min
Dec 25, 7:34 PM CST	Tornado Warning	MOB	Wilcox	26 min
Dec 25, 7:37 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Conecuh, Monroe, Wilcox	53 min
Dec 25, 7:59 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Mobile, Monroe	46 min
Dec 25, 8:03 PM CST	Special Marine Warning	MOB		87 min
Dec 25, 8:11 PM CST	Tornado Warning	MOB	Baldwin, Escambia	49 min
Dec 25, 8:36 PM CST	Tornado Warning	MOB	Butler, Conecuh	39 min
Dec 25, 8:44 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Escambia, Monroe	46 min
Dec 25, 8:58 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	47 min
Dec 25, 9:08 PM CST	Special Marine Warning	MOB		82 min
Dec 25, 9:09 PM CST	Tornado Warning	MOB	Butler, Crenshaw	51 min
Dec 25, 9:23 PM CST	Special Marine Warning	MOB		97 min
Dec 25, 9:29 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	46 min
Dec 25, 9:35 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw	70 min
Dec 25, 9:45 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Covington, Escambia	45 min
Dec 25, 10:15 PM CST	Severe Thunderstorm Warning	MOB	Covington, Crenshaw	60 min
Dec 25, 10:29 PM CST	Severe Thunderstorm Warning	MOB	Covington, Escambia	46 min
Dec 25, 10:33 PM CST	Special Marine Warning	MOB		117 min
Dec 25, 10:40 PM CST	Tornado Warning	MOB	Covington	35 min
Dec 25, 11:14 PM CST	Severe Thunderstorm Warning	MOB	Covington	26 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Severe Thunderstorm Warnings in Alabama, 2012 Every severe thunderstorm warning 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.