Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 237, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 25, 2012, 9:29 PM CST for Conecuh County, 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, 9:29 PM CST (03:29 UTC)
- Expired
- Dec 25, 2012, 10:15 PM CST
- In force
- 46 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Covington County, AL, Escambia County, AL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 107 km from the middle of the area, began a volume at 03:30 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, 2:41 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 25, 9:23 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 3.5 hours before the alert went out and 222 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
- 22 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 696 m²/s²
- 0-3 km storm-relative helicity
- 921 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
882
WUUS54 KMOB 260329
SVRMOB
ALC035-039-053-FLC091-113-260415-
/O.NEW.KMOB.SV.W.0237.121226T0329Z-121226T0415Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
929 PM CST TUE DEC 25 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
NORTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 1015 PM CST
* 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 12 MILES NORTHWEST OF BREWTON TO 9 MILES
SOUTH OF EAST BREWTON TO 13 MILES NORTHEAST OF MOLINO...AND MOVING
EAST AT 60 MPH.
* LOCATIONS IMPACTED INCLUDE...
WHITFIELD... PINE LEVEL... JAY...
LAUREL HILL... I65 AND AL 41... CASTLEBERRY...
SANFORD... RIVER FALLS... RED LEVEL...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 77 AND 81.
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 3097 8643 3079 8729 3097 8722 3100 8716
3100 8720 3106 8718 3114 8725 3130 8721
3147 8640 3145 8639 3150 8628 3146 8628
3144 8626
TIME...MOT...LOC 0329Z 250DEG 51KT 3127 8713 3121 8702
3111 8696 3098 8703 3082 8708
$$4 follow-up statements
949
WWUS54 KMOB 260336
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
936 PM CST TUE DEC 25 2012
ALC035-039-053-FLC091-113-260415-
/O.CON.KMOB.SV.W.0237.000000T0000Z-121226T0415Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
936 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR NORTHERN SANTA ROSA...NORTHWESTERN OKALOOSA...EASTERN ESCAMBIA...
COVINGTON AND SOUTHEASTERN CONECUH COUNTIES...
AT 935 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 10 MILES SOUTHWEST OF EVERGREEN TO 12 MILES EAST
OF EAST BREWTON TO 15 MILES NORTH OF MILTON...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
WHITFIELD... PINE LEVEL... JAY...
LAUREL HILL... CASTLEBERRY... SANFORD...
RIVER FALLS... RED LEVEL... LIBERTYVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST
FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM CST
WEDNESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3097 8643 3079 8729 3097 8722 3100 8716
3100 8717 3100 8720 3112 8708 3117 8717
3130 8718 3147 8640 3145 8639 3150 8628
3144 8626
TIME...MOT...LOC 0336Z 250DEG 51KT 3130 8702 3124 8691
3114 8685 3101 8692 3085 8697
$$115
WWUS54 KMOB 260340
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
940 PM CST TUE DEC 25 2012
ALC035-039-053-FLC091-113-260415-
/O.CON.KMOB.SV.W.0237.000000T0000Z-121226T0415Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
940 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR NORTHERN SANTA ROSA...NORTHWESTERN OKALOOSA...EASTERN ESCAMBIA...
COVINGTON AND SOUTHEASTERN CONECUH COUNTIES...
AT 935 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 SOUTHWEST OF EVERGREEN TO 8 MILES
SOUTHEAST OF BREWTON TO 15 MILES SOUTHEAST OF CENTURY...MOVING
NORTHEAST AT 55 TO 60 MPH.
LOCATIONS IMPACTED INCLUDE...
WHITFIELD... PINE LEVEL... JAY...
LAUREL HILL... CASTLEBERRY... SANFORD...
RIVER FALLS... RED LEVEL... LIBERTYVILLE...
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 3097 8643 3079 8729 3080 8729 3100 8711
3112 8704 3119 8705 3126 8712 3131 8711
3147 8640 3145 8639 3150 8628 3146 8628
3144 8626
TIME...MOT...LOC 0339Z 237DEG 67KT 3138 8694 3132 8683
3122 8677 3107 8688 3091 8698
$$541
WWUS54 KMOB 260346
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
946 PM CST TUE DEC 25 2012
ALC035-039-053-FLC091-113-260415-
/O.CON.KMOB.SV.W.0237.000000T0000Z-121226T0415Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
946 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR NORTHERN SANTA ROSA...NORTHWESTERN OKALOOSA...EASTERN ESCAMBIA...
COVINGTON AND SOUTHEASTERN CONECUH COUNTIES...
AT 944 PM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A
LINE EXTENDING FROM 6 MILES EAST OF EVERGREEN TO 12 MILES WEST OF
ANDALUSIA TO 15 MILES SOUTH OF BREWTON...MOVING NORTHEAST AT 55
MPH.
LOCATIONS IMPACTED INCLUDE...
WHITFIELD... PINE LEVEL... JAY...
LAUREL HILL... SANFORD... RIVER FALLS...
RED LEVEL... LIBERTYVILLE... HEATH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST
FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM CST
WEDNESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3097 8643 3079 8729 3100 8711 3119 8688
3129 8686 3134 8694 3135 8693 3147 8640
3145 8639 3150 8628 3146 8628 3144 8626
TIME...MOT...LOC 0346Z 237DEG 67KT 3145 8682 3138 8668
3133 8666 3111 8679 3090 8693
$$091
WWUS54 KMOB 260357
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
957 PM CST TUE DEC 25 2012
ALC035-039-053-FLC091-113-260415-
/O.CON.KMOB.SV.W.0237.000000T0000Z-121226T0415Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-OKALOOSA FL-SANTA ROSA FL-
957 PM CST TUE DEC 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR NORTHERN SANTA ROSA...NORTHWESTERN OKALOOSA...EASTERN ESCAMBIA...
COVINGTON AND SOUTHEASTERN CONECUH COUNTIES...
AT 953 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 EAST OF EVERGREEN TO 7 MILES NORTHWEST
OF ANDALUSIA TO 17 MILES SOUTHWEST OF ANDALUSIA TO 16 MILES
SOUTHEAST OF BREWTON...MOVING NORTHEAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
WHITFIELD... LAUREL HILL... SANFORD...
RIVER FALLS... RED LEVEL... LIBERTYVILLE...
HEATH... GANTT... CAROLINA...
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 3097 8643 3081 8723 3099 8703 3130 8674
3135 8671 3140 8672 3147 8641 3145 8639
3150 8628 3146 8628 3144 8626
TIME...MOT...LOC 0357Z 237DEG 67KT 3156 8662 3149 8648
3144 8646 3119 8663 3092 8687
$$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, 9:35 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 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.