Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 142, NWS Mobile, AL

December 25, 2012Covington County, Alabama

NWS Mobile, AL issued this tornado warning at Dec 25, 2012, 10:40 PM CST for Covington County, Alabama. It was in force for 35 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 25, 2012, 10:40 PM CST (04:40 UTC)
Expired: Dec 25, 2012, 11:15 PM CST
In force: 35 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Covington County, AL

The radar

The Eglin Afb radar (KEVX), 85 km from the middle of the area, began a volume at 04:44 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.

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, 9:23 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.7 hours before the alert went out and 216 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 410 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

222 
WFUS54 KMOB 260440
TORMOB
ALC039-260515-
/O.NEW.KMOB.TO.W.0142.121226T0440Z-121226T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1040 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1115 PM CST

* AT 1039 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTHEAST OF ANDALUSIA...OR 3 MILES
  SOUTHEAST OF LIBERTYVILLE...MOVING NORTHEAST NEAR 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HORN HILL...          SANFORD...            OPP...
  ONYCHA...             LIBERTYVILLE...       BABBIE...

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 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3109 8646 3126 8651 3144 8620 3144 8619
      3115 8619
TIME...MOT...LOC 0441Z 229DEG 55KT 3123 8640

$$

5 follow-up statements

462 
WWUS54 KMOB 260447
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1047 PM CST TUE DEC 25 2012

ALC039-260515-
/O.CON.KMOB.TO.W.0142.000000T0000Z-121226T0515Z/
COVINGTON AL-
1047 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EAST
CENTRAL COVINGTON COUNTY...

AT 1044 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES SOUTHEAST OF ANDALUSIA...OR 2 MILES SOUTH OF 
SANFORD...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  HORN HILL...          SANFORD...            OPP...
  ONYCHA...             BABBIE...

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 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3109 8646 3121 8643 3129 8643 3144 8620
      3144 8619 3115 8619
TIME...MOT...LOC 0448Z 218DEG 51KT 3132 8635

$$

337 
WWUS54 KMOB 260452
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1052 PM CST TUE DEC 25 2012

ALC039-260515-
/O.CON.KMOB.TO.W.0142.000000T0000Z-121226T0515Z/
COVINGTON AL-
1052 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EAST
CENTRAL COVINGTON COUNTY...

AT 1048 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES WEST OF OPP...OR NEAR BABBIE...MOVING NORTHEAST 
AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  HORN HILL...          OPP...                BABBIE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3124 8633 3132 8639 3144 8620 3144 8619
      3126 8619
TIME...MOT...LOC 0453Z 218DEG 51KT 3135 8629

$$

356 
WWUS54 KMOB 260458
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1058 PM CST TUE DEC 25 2012

ALC039-260515-
/O.CON.KMOB.TO.W.0142.000000T0000Z-121226T0515Z/
COVINGTON AL-
1058 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EAST
CENTRAL COVINGTON COUNTY...

AT 1053 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
 WAS LOCATED 3 MILES WEST OF OPP...OR NEAR BABBIE...MOVING NORTHEAST
AT 60 MPH.

THIS IS A SECOND RAPID SPIN UP ALONG THE BOWING PORTION OF THE 
SEVERE THUNDERSTORM LINE.

LOCATIONS IMPACTED INCLUDE...
  HORN HILL...          OPP...                BABBIE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3124 8633 3133 8634 3144 8620 3144 8619
      3126 8619
TIME...MOT...LOC 0458Z 218DEG 51KT 3132 8626

$$

400 
WWUS54 KMOB 260503
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1103 PM CST TUE DEC 25 2012

ALC039-260515-
/O.CON.KMOB.TO.W.0142.000000T0000Z-121226T0515Z/
COVINGTON AL-
1103 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EAST
CENTRAL COVINGTON COUNTY...

AT 1058 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR OPP...OR 4 MILES EAST OF BABBIE...MOVING NORTHEAST 
AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  OPP...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3127 8629 3135 8631 3144 8620 3144 8619
      3126 8619
TIME...MOT...LOC 0503Z 222DEG 43KT 3134 8622

$$

695 
WWUS54 KMOB 260508
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1108 PM CST TUE DEC 25 2012

ALC039-260518-
/O.EXP.KMOB.TO.W.0142.000000T0000Z-121226T0515Z/
COVINGTON AL-
1108 PM CST TUE DEC 25 2012

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR EAST CENTRAL
COVINGTON COUNTY...

AT 1107 PM CST...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
COVINGTON COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO 
WARNING WILL BE ALLOWED TO EXPIRE AT 1115 PM CST.

THERE ARE REPORTS OF POWER OUTAGES IN OPP ALABAMA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3127 8629 3135 8631 3144 8620 3144 8619
      3126 8619
TIME...MOT...LOC 0508Z 222DEG 43KT 3138 8617

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 6:29 PM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	46 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	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	60 min
Dec 25, 7:00 PM CST	Tornado Warning	MOB	Wilcox	30 min
Dec 25, 7:19 PM CST	Severe Thunderstorm Warning	MOB	Mobile	41 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, 11:14 PM CST	Severe Thunderstorm Warning	MOB	Covington	26 min
Dec 26, 5:43 AM CST	Wind Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	9 hr

Nearby

Tornado Warnings in Alabama, 2012 Every tornado warning in 2012 Tornadoes 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; radar from the NEXRAD Level II archive.