Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 239, NWS Mobile, AL

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

NWS Mobile, AL issued this severe thunderstorm warning at Dec 25, 2012, 9:45 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Covington County, Escambia County, Alabama. It was in force for 45 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, 9:45 PM CST (03:45 UTC)
Expired
Dec 25, 2012, 10:30 PM CST
In force
45 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

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

The radar

The Eglin Afb radar (KEVX), 86 km from the middle of the area, began a volume at 03:48 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.

IssuedProductOfficeLasted
Dec 25, 2:41 PM CSTTornado WatchSPC7 hr
Dec 25, 9:23 PM CSTTornado WatchSPC6 hr
Dec 25, 12:58 PM CSTTornado Watch PDSSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.8 hours before the alert went out and 242 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, Tallahassee Rgnl, FL at 00:00Z on 2012-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 00:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
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.

133 
WUUS54 KMOB 260345
SVRMOB
ALC003-039-053-FLC033-091-113-260430-
/O.NEW.KMOB.SV.W.0239.121226T0345Z-121226T0430Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  SOUTHERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHEASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  EXTREME EAST CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 1030 PM CST

* AT 939 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
  8 MILES SOUTH OF EAST BREWTON TO 15 MILES NORTH OF MILTON TO 5
  MILES NORTHEAST OF GONZALEZ...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  MIDWAY...             OCEAN CITY...         FORT WALTON BEACH...
  PINE LEVEL...         WOODLAWN BEACH...     WHITING FIELD...
  TIGER POINT...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 67.

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 3099 8619 3098 8639 3045 8639 3042 8659
      3040 8658 3038 8639 3037 8640 3034 8719
      3036 8721 3045 8695 3054 8703 3044 8710
      3057 8716 3047 8715 3032 8726 3029 8749
      3070 8744 3109 8704 3109 8618
TIME...MOT...LOC 0345Z 265DEG 47KT 3098 8693 3086 8694
          3064 8715

$$
4 follow-up statements
725 
WWUS54 KMOB 260351 RRA
SVSMOB

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

ALC003-260401-
/O.CAN.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
BALDWIN AL-
951 PM CST TUE DEC 25 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR EXTREME
EAST CENTRAL BALDWIN COUNTY...

AT 948 PM CST...THE LINE OF STORMS THAT PROMPTED THE WARNING FOR 
EXTREME EAST CENTRAL BALDWIN COUNTY HAS MOVED OUT OF THE 
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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 3099 8620 3098 8639 3045 8639 3042 8659
      3040 8658 3038 8640 3037 8640 3034 8719
      3036 8721 3045 8695 3054 8703 3044 8710
      3057 8716 3057 8717 3032 8726 3030 8744
      3080 8731 3109 8696 3109 8618
TIME...MOT...LOC 0351Z 257DEG 32KT 3107 8681 3086 8693
          3069 8714 3032 8729

$$

ALC039-053-FLC033-091-113-260430-
/O.CON.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-ESCAMBIA FL-
951 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CST
FOR SOUTHEASTERN ESCAMBIA...SANTA ROSA...OKALOOSA...SOUTHEASTERN
ESCAMBIA AND SOUTHERN COVINGTON COUNTIES...

AT 948 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
13 MILES EAST OF EAST BREWTON TO 16 MILES NORTH OF MILTON TO 6 MILES
NORTH OF PACE TO 5 MILES SOUTHWEST OF WARRINGTON...MOVING EAST AT 35
MPH.

LOCATIONS IMPACTED INCLUDE...
  PENSACOLA INTERNATIONAL AIRPORT...          WHITFIELD...
  MIDWAY...             OCEAN CITY...         FORT WALTON BEACH...
  PINE LEVEL...         WOODLAWN BEACH...     WHITING FIELD...
  TIGER POINT...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 5 AND 67.

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 3099 8620 3098 8639 3045 8639 3042 8659
      3040 8658 3038 8640 3037 8640 3034 8719
      3036 8721 3045 8695 3054 8703 3044 8710
      3057 8716 3057 8717 3032 8726 3030 8744
      3080 8731 3109 8696 3109 8618
TIME...MOT...LOC 0351Z 257DEG 32KT 3107 8681 3086 8693
          3069 8714 3032 8729

$$
390 
WWUS54 KMOB 260400
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1000 PM CST TUE DEC 25 2012

ALC039-053-FLC033-091-113-260430-
/O.CON.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-ESCAMBIA FL-
1000 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CST
FOR SOUTHEASTERN ESCAMBIA...SANTA ROSA...OKALOOSA...SOUTHEASTERN
ESCAMBIA AND SOUTHERN COVINGTON COUNTIES...

AT 958 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 18 MILES SOUTHWEST OF ANDALUSIA TO 17 MILES 
SOUTHEAST OF EAST BREWTON TO 2 MILES SOUTH OF PENSACOLA...MOVING 
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHITFIELD...          MIDWAY...             OCEAN CITY...
  FORT WALTON BEACH...  WOODLAWN BEACH...     WHITING FIELD...
  TIGER POINT...        ROEVILLE...           POINT BAKER...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 9 AND 67.

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 3099 8620 3098 8639 3045 8639 3042 8659
      3040 8658 3038 8640 3037 8641 3034 8719
      3036 8721 3045 8695 3054 8703 3044 8710
      3057 8716 3057 8717 3032 8726 3032 8736
      3068 8718 3086 8717 3109 8696 3109 8618
TIME...MOT...LOC 0400Z 244DEG 37KT 3115 8670 3094 8682
          3077 8703 3040 8718

$$
154 
WWUS54 KMOB 260411
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1011 PM CST TUE DEC 25 2012

FLC033-260420-
/O.CAN.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
ESCAMBIA FL-
1011 PM CST TUE DEC 25 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR 
SOUTHEASTERN ESCAMBIA COUNTY FLORIDA...

AT 1007 PM CST...THE LINE OF STORMS THAT PROMPTED THE WARNING FOR 
SOUTHEASTERN ESCAMBIA COUNTY FLORIDA HAS MOVED OUT OF THE 
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3099 8620 3098 8639 3045 8639 3048 8646
      3042 8659 3040 8658 3038 8640 3037 8641
      3038 8692 3039 8687 3039 8690 3034 8718
      3036 8721 3045 8695 3054 8703 3044 8710
      3051 8710 3058 8717 3109 8696 3109 8618
TIME...MOT...LOC 0410Z 255DEG 40KT 3109 8668 3090 8681
          3072 8692 3034 8710

$$

ALC039-053-FLC091-113-260430-
/O.CON.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
1011 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CST
FOR SANTA ROSA...OKALOOSA...SOUTHEASTERN ESCAMBIA AND SOUTHERN
COVINGTON COUNTIES...

AT 1007 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 20 MILES EAST OF EAST BREWTON TO 8 MILES 
NORTHEAST OF MILTON TO 2 MILES SOUTHEAST OF GULF BREEZE...MOVING 
EAST AT 45 TO 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MIDWAY...             OCEAN CITY...         FORT WALTON BEACH...
  WOODLAWN BEACH...     WHITING FIELD...      TIGER POINT...
  ROEVILLE...           POINT BAKER...        PEA RIDGE...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 19 AND
67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3099 8620 3098 8639 3045 8639 3048 8646
      3042 8659 3040 8658 3038 8640 3037 8641
      3038 8692 3039 8687 3039 8690 3034 8718
      3036 8721 3045 8695 3054 8703 3044 8710
      3051 8710 3058 8717 3109 8696 3109 8618
TIME...MOT...LOC 0410Z 255DEG 40KT 3109 8668 3090 8681
          3072 8692 3034 8710

$$
910 
WWUS54 KMOB 260424
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1024 PM CST TUE DEC 25 2012

ALC039-053-FLC091-113-260430-
/O.CON.KMOB.SV.W.0239.000000T0000Z-121226T0430Z/
COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
1024 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CST
FOR EASTERN SANTA ROSA...OKALOOSA...SOUTHEASTERN ESCAMBIA AND
SOUTHERN COVINGTON COUNTIES...

AT 1021 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 17 MILES WEST OF FLORALA TO 9 MILES WEST OF
CRESTVIEW TO 8 MILES SOUTHEAST OF BAGDAD TO 12 MILES EAST OF GULF
BREEZE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MIDWAY...             OCEAN CITY...         FORT WALTON BEACH...
  WOODLAWN BEACH...     TIGER POINT...        NAVARRE BEACH...
  HOLLEY...             SHALIMAR...           LAKE LORRAINE...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 28 AND
67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3099 8620 3098 8639 3045 8639 3048 8646
      3042 8659 3040 8658 3038 8641 3037 8641
      3039 8691 3034 8718 3036 8721 3042 8699
      3045 8695 3054 8703 3044 8710 3062 8700
      3109 8682 3109 8618
TIME...MOT...LOC 0424Z 255DEG 40KT 3108 8657 3080 8668
          3055 8687 3038 8693

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 25, 6:38 PM CSTCoastal Flood AdvisoryMOB5 hr
Dec 25, 7:59 PM CSTSevere Thunderstorm WarningMOBEscambia46 min
Dec 25, 8:44 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa46 min
Dec 25, 8:58 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa47 min
Dec 25, 9:29 PM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa46 min
Dec 25, 10:29 PM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa46 min
Dec 25, 11:14 PM CSTSevere Thunderstorm WarningMOBOkaloosa26 min
Dec 26, 5:43 AM CSTWind AdvisoryMOB9 hr
Dec 25, 6:08 PM CSTTornado WarningMOBClarke, Monroe, Wilcox67 min
Dec 25, 6:20 PM CSTSpecial Marine WarningMOB85 min
Dec 25, 6:20 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox55 min
Dec 25, 6:29 PM CSTSevere Thunderstorm WarningMOBMobile, Washington46 min
Dec 25, 6:59 PM CSTTornado WarningMOBClarke, Monroe45 min
Dec 25, 7:00 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington60 min
Dec 25, 7:00 PM CSTTornado WarningMOBWilcox30 min
Dec 25, 7:19 PM CSTSevere Thunderstorm WarningMOBMobile41 min
Dec 25, 7:21 PM CSTTornado WarningMOBMobile39 min
Dec 25, 7:34 PM CSTTornado WarningMOBWilcox26 min
Dec 25, 7:37 PM CSTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox53 min
Dec 25, 8:03 PM CSTSpecial Marine WarningMOB87 min
Dec 25, 8:11 PM CSTTornado WarningMOBBaldwin, Escambia49 min
Dec 25, 8:36 PM CSTTornado WarningMOBButler, Conecuh39 min
Dec 25, 9:08 PM CSTSpecial Marine WarningMOB82 min
Dec 25, 9:09 PM CSTTornado WarningMOBButler, Crenshaw51 min
Dec 25, 9:23 PM CSTSpecial Marine WarningMOB97 min
Dec 25, 9:35 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw70 min
Dec 25, 10:15 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw60 min
Dec 25, 10:33 PM CSTSpecial Marine WarningMOB117 min
Dec 25, 10:40 PM CSTTornado WarningMOBCovington35 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Severe Thunderstorm Warnings in Alabama, 2012Every 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.