Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 236, NWS Mobile, AL

December 25, 2012Baldwin County, Alabama; Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Dec 25, 2012, 8:58 PM CST for Baldwin County, Alabama; Escambia County, Santa Rosa County, Florida. It was in force for 47 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, 8:58 PM CST (02:58 UTC)
Expired: Dec 25, 2012, 9:45 PM CST
In force: 47 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 97 km from the middle of the area, began a volume at 02:59 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, 12:58 PM CST	Tornado Watch PDS	SPC	9 hr
Dec 25, 2:41 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.0 hours before the alert went out and 239 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.

370 
WUUS54 KMOB 260258
SVRMOB
ALC003-FLC033-113-260345-
/O.NEW.KMOB.SV.W.0236.121226T0258Z-121226T0345Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 945 PM CST

* AT 855 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 10 MILES SOUTH OF ATMORE TO 14 MILES WEST OF
  MOLINO TO 7 MILES NORTHEAST OF ROBERTSDALE TO 5 MILES WEST OF
  FOLEY...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  PINE LEVEL...         WHITING FIELD...      ROEVILLE...
  POINT BAKER...        PEA RIDGE...          MULAT...
  FLORIDATOWN...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 29.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 47 AND
66.

LAT...LON 3041 8783 3085 8764 3100 8690 3099 8680
      3078 8684 3070 8694 3044 8708 3044 8711
      3051 8710 3057 8717 3053 8718 3049 8714
      3043 8717 3042 8735 3045 8736 3045 8738
      3042 8740
TIME...MOT...LOC 0258Z 262DEG 46KT 3089 8748 3071 8750
          3063 8760 3042 8772

$$

4 follow-up statements

111 
WWUS54 KMOB 260307
SVSMOB

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

ALC003-FLC033-113-260345-
/O.CON.KMOB.SV.W.0236.000000T0000Z-121226T0345Z/
SANTA ROSA FL-ESCAMBIA FL-BALDWIN AL-
907 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR EAST CENTRAL BALDWIN...CENTRAL ESCAMBIA AND SANTA ROSA
COUNTIES...

AT 904 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 8 MILES SOUTHWEST OF CENTURY TO 8 MILES WEST OF
MOLINO TO 11 MILES NORTHEAST OF ROBERTSDALE TO FOLEY...MOVING EAST AT
40 MPH.

LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  PINE LEVEL...         WHITING FIELD...      ROEVILLE...
  POINT BAKER...        PEA RIDGE...          MULAT...
  FLORIDATOWN...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 28.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 52 AND
66.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3042 8778 3063 8765 3086 8759 3100 8691
      3099 8680 3078 8684 3070 8694 3044 8708
      3044 8711 3051 8710 3057 8717 3053 8718
      3049 8714 3043 8717 3042 8735 3045 8736
      3045 8738 3042 8740
TIME...MOT...LOC 0308Z 270DEG 33KT 3089 8731 3070 8740
          3062 8750 3042 8762

$$

982 
WWUS54 KMOB 260315
SVSMOB

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

ALC003-FLC033-113-260345-
/O.CON.KMOB.SV.W.0236.000000T0000Z-121226T0345Z/
SANTA ROSA FL-ESCAMBIA FL-BALDWIN AL-
915 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR EAST CENTRAL BALDWIN...CENTRAL ESCAMBIA AND SANTA ROSA
COUNTIES...

AT 913 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 SOUTH OF CENTURY TO 11 MILES WEST OF 
GONZALEZ TO 5 MILES EAST OF FOLEY...MOVING EAST AT 35 TO 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  PINE LEVEL...         WHITING FIELD...      ROEVILLE...
  POINT BAKER...        PEA RIDGE...          MULAT...
  FLORIDATOWN...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 28.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 56 AND
66.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3043 8767 3089 8746 3100 8691 3099 8680
      3078 8684 3070 8694 3044 8708 3044 8711
      3051 8710 3057 8717 3053 8718 3049 8714
      3043 8717 3042 8735 3045 8736 3045 8738
      3042 8740
TIME...MOT...LOC 0315Z 265DEG 32KT 3089 8727 3070 8736
          3062 8745 3042 8758

$$

122 
WWUS54 KMOB 260324
SVSMOB

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

ALC003-FLC033-113-260345-
/O.CON.KMOB.SV.W.0236.000000T0000Z-121226T0345Z/
SANTA ROSA FL-ESCAMBIA FL-BALDWIN AL-
924 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR EAST CENTRAL BALDWIN...CENTRAL ESCAMBIA AND SANTA ROSA
COUNTIES...

AT 921 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 EAST OF CENTURY TO 6 MILES NORTHEAST OF
MOLINO TO 2 MILES SOUTH OF MOLINO TO 10 MILES EAST OF FOLEY...MOVING
EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  PINE LEVEL...         WHITING FIELD...      ROEVILLE...
  POINT BAKER...        PEA RIDGE...          MULAT...
  FLORIDATOWN...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 28.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 58 AND
66.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST
FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM CST
WEDNESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3043 8767 3092 8734 3100 8691 3099 8680
      3078 8684 3070 8694 3044 8708 3044 8711
      3051 8710 3057 8717 3053 8718 3049 8714
      3043 8717 3042 8735 3045 8736 3045 8738
      3042 8740
TIME...MOT...LOC 0324Z 261DEG 41KT 3097 8710 3078 8719
          3070 8728 3046 8749

$$

794 
WWUS54 KMOB 260331
SVSMOB

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

ALC003-FLC033-113-260345-
/O.CON.KMOB.SV.W.0236.000000T0000Z-121226T0345Z/
SANTA ROSA FL-ESCAMBIA FL-BALDWIN AL-
931 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR EAST CENTRAL BALDWIN...EASTERN ESCAMBIA AND SANTA ROSA
COUNTIES...

AT 926 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 8 MILES EAST OF CENTURY TO 7 MILES NORTHEAST OF
MOLINO TO 2 MILES SOUTH OF MOLINO TO 11 MILES EAST OF FOLEY...MOVING
EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  PINE LEVEL...         WHITING FIELD...      ROEVILLE...
  POINT BAKER...        PEA RIDGE...          MULAT...
  FLORIDATOWN...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 28.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 60 AND
66.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST
FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM CST
WEDNESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3043 8767 3079 8734 3094 8727 3100 8691
      3099 8680 3078 8684 3070 8694 3044 8708
      3044 8711 3051 8710 3057 8717 3053 8718
      3049 8714 3043 8717 3042 8735 3045 8736
      3045 8738 3042 8740
TIME...MOT...LOC 0331Z 259DEG 34KT 3098 8707 3079 8716
          3071 8725 3047 8746

$$

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, 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
Dec 26, 5:43 AM CST	Wind Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	9 hr

Nearby

Severe Thunderstorm Warnings in Florida, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.