Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 241, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 25, 2012, 10:29 PM CST for Covington County, Escambia County, Alabama; Okaloosa County, Santa Rosa County, Florida. It was in force for 46 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, 10:29 PM CST (04:29 UTC)
- Expired
- Dec 25, 2012, 11:15 PM CST
- In force
- 46 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Covington County, AL, Escambia County, AL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 61 km from the middle of the area, began a volume at 04:30 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, 4.5 hours before the alert went out and 217 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
433
WUUS54 KMOB 260429
SVRMOB
ALC039-053-FLC091-113-260515-
/O.NEW.KMOB.SV.W.0241.121226T0429Z-121226T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1029 PM CST TUE DEC 25 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
OKALOOSA COUNTY IN NORTHWEST FLORIDA...
EASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
SOUTHERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHEASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 1115 PM CST
* AT 1025 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 WEST OF FLORALA TO 13
MILES EAST OF GULF BREEZE...AND MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
MIDWAY... OCEAN CITY... FORT WALTON BEACH...
WOODLAWN BEACH... HOLLEY... SHALIMAR...
LAKE LORRAINE... CINCO BAYOU... NAVARRE...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 33 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 8619 3098 8639 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3042 8644
3041 8640 3038 8639 3038 8701 3042 8701
3045 8695 3048 8699 3112 8678 3111 8657
3112 8619
TIME...MOT...LOC 0430Z 267DEG 27KT 3108 8657 3035 8690
$$5 follow-up statements
732
WWUS54 KMOB 260437
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1037 PM CST TUE DEC 25 2012
ALC053-260447-
/O.CAN.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
ESCAMBIA AL-
1037 PM CST TUE DEC 25 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN ESCAMBIA COUNTY ALABAMA...
AT 1035 PM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
ESCAMBIA COUNTY ALABAMA HAS MOVED OUT OF THE COUNTY...THUS THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3099 8619 3098 8639 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3042 8644
3038 8639 3038 8701 3041 8701 3045 8695
3048 8698 3051 8693 3065 8684 3092 8676
3100 8673 3100 8669 3109 8668 3112 8619
TIME...MOT...LOC 0437Z 267DEG 27KT 3108 8651 3035 8684
$$
ALC039-FLC091-113-260515-
/O.CON.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
COVINGTON AL-OKALOOSA FL-SANTA ROSA FL-
1037 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR SOUTHEASTERN SANTA ROSA...OKALOOSA AND SOUTHERN COVINGTON
COUNTIES...
AT 1035 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 13 MILES NORTHWEST OF FLORALA TO 12 MILES WEST OF
MARY ESTHER...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
MIDWAY... OCEAN CITY... FORT WALTON BEACH...
WOODLAWN BEACH... HOLLEY... SHALIMAR...
LAKE LORRAINE... CINCO BAYOU... NAVARRE...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 41 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 8619 3098 8639 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3042 8644
3038 8639 3038 8701 3041 8701 3045 8695
3048 8698 3051 8693 3065 8684 3092 8676
3100 8673 3100 8669 3109 8668 3112 8619
TIME...MOT...LOC 0437Z 267DEG 27KT 3108 8651 3035 8684
$$922
WWUS54 KMOB 260444
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1044 PM CST TUE DEC 25 2012
ALC039-FLC091-113-260515-
/O.CON.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
COVINGTON AL-OKALOOSA FL-SANTA ROSA FL-
1044 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR SOUTHEASTERN SANTA ROSA...OKALOOSA AND SOUTHERN COVINGTON
COUNTIES...
AT 1039 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 11 MILES NORTHWEST OF FLORALA TO 10 MILES NORTH
OF WRIGHT TO 15 MILES EAST OF GULF BREEZE...MOVING NORTHEAST AT 55
MPH.
LOCATIONS IMPACTED INCLUDE...
MIDWAY... OCEAN CITY... FORT WALTON BEACH...
WOODLAWN BEACH... HOLLEY... SHALIMAR...
LAKE LORRAINE... CINCO BAYOU... NAVARRE...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 44 AND
67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3099 8619 3098 8639 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3042 8644
3038 8639 3039 8690 3038 8701 3041 8701
3045 8695 3048 8698 3065 8679 3079 8672
3109 8668 3112 8619
TIME...MOT...LOC 0444Z 247DEG 47KT 3111 8642 3063 8660
3041 8685
$$323
WWUS54 KMOB 260450
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1050 PM CST TUE DEC 25 2012
ALC039-FLC091-113-260515-
/O.CON.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
COVINGTON AL-OKALOOSA FL-SANTA ROSA FL-
1050 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR SOUTHEASTERN SANTA ROSA...OKALOOSA AND SOUTHEASTERN COVINGTON
COUNTIES...
AT 1048 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 9 MILES NORTH OF FLORALA TO 7 MILES SOUTH OF
CRESTVIEW TO 8 MILES WEST OF MARY ESTHER...MOVING NORTHEAST AT 55
MPH.
LOCATIONS IMPACTED INCLUDE...
OCEAN CITY... FORT WALTON BEACH... HOLLEY...
SHALIMAR... LAKE LORRAINE... CINCO BAYOU...
NAVARRE... WRIGHT... VALPARAISO...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 47 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 3065 8679 3079 8663 3109 8655 3112 8619
3099 8619 3098 8639 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3042 8644
3038 8639 3039 8690 3045 8695
TIME...MOT...LOC 0450Z 247DEG 47KT 3114 8634 3066 8652
3044 8677
$$022
WWUS54 KMOB 260456
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1056 PM CST TUE DEC 25 2012
ALC039-FLC091-113-260515-
/O.CON.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
COVINGTON AL-OKALOOSA FL-SANTA ROSA FL-
1056 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR SOUTHEASTERN SANTA ROSA...OKALOOSA AND SOUTHEASTERN COVINGTON
COUNTIES...
AT 1053 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 6 MILES NORTH OF FLORALA TO 7 MILES NORTH OF
NICEVILLE TO 5 MILES WEST OF MARY ESTHER...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
OCEAN CITY... FORT WALTON BEACH... SHALIMAR...
LAKE LORRAINE... CINCO BAYOU... WRIGHT...
VALPARAISO... NICEVILLE... MARY ESTHER...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 48 AND
67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3039 8682 3049 8682 3065 8679 3082 8658
3109 8652 3112 8619 3099 8619 3098 8639
3045 8639 3044 8642 3048 8646 3042 8659
3040 8658 3042 8644 3038 8639
TIME...MOT...LOC 0456Z 278DEG 35KT 3109 8629 3061 8647
3039 8672
$$094
WWUS54 KMOB 260505
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1105 PM CST TUE DEC 25 2012
FLC113-260515-
/O.CAN.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
SANTA ROSA FL-
1105 PM CST TUE DEC 25 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN SANTA ROSA COUNTY...
AT 1102 PM CST...THE LINE OF STORMS THAT PROMPTED THE WARNING FOR
SOUTHEASTERN SANTA ROSA COUNTY 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 SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3042 8677 3050 8667 3069 8664 3086 8648
3110 8643 3112 8619 3099 8619 3098 8639
3045 8639 3044 8642 3048 8646 3042 8659
3040 8658 3042 8644 3038 8639
TIME...MOT...LOC 0505Z 277DEG 29KT 3108 8621 3089 8626
3073 8639 3038 8664
$$
ALC039-FLC091-260515-
/O.CON.KMOB.SV.W.0241.000000T0000Z-121226T0515Z/
COVINGTON AL-OKALOOSA FL-
1105 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR EASTERN OKALOOSA AND SOUTHEASTERN COVINGTON COUNTIES...
AT 1102 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 8 MILES NORTHEAST OF FLORALA TO 8 MILES SOUTH OF
FLORALA TO 9 MILES EAST OF CRESTVIEW TO MARY ESTHER...MOVING EAST AT
35 MPH.
LOCATIONS IMPACTED INCLUDE...
OCEAN CITY... SHALIMAR... LAKE LORRAINE...
FORT WALTON BEACH... CINCO BAYOU... WRIGHT...
VALPARAISO... NICEVILLE... EGLIN AFB...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 54 AND
67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3042 8677 3050 8667 3069 8664 3086 8648
3110 8643 3112 8619 3099 8619 3098 8639
3045 8639 3044 8642 3048 8646 3042 8659
3040 8658 3042 8644 3038 8639
TIME...MOT...LOC 0505Z 277DEG 29KT 3108 8621 3089 8626
3073 8639 3038 8664
$$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, 10:33 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 Alabama, 2012Severe Thunderstorm Warnings in Florida, 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.