Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 105, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 20, 2012, 9:43 AM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 62 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 20, 2012, 9:43 AM CST (15:43 UTC)
- Expired
- Dec 20, 2012, 10:45 AM CST
- In force
- 62 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 62 km from the middle of the area, began a volume at 15:46 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 20, 4:23 AM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.7 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
- 2063 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
231
WFUS54 KMOB 201543
TORMOB
FLC091-113-201645-
/O.NEW.KMOB.TO.W.0105.121220T1543Z-121220T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
943 AM CST THU DEC 20 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
OKALOOSA COUNTY IN NORTHWEST FLORIDA...
EAST CENTRAL SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
* UNTIL 1045 AM CST
* AT 942 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 14 MILES EAST OF BAGDAD...OR 12 MILES NORTHEAST
OF HOLLEY...MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
NICEVILLE... CRESTVIEW...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 41 AND 67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3056 8685 3066 8686 3079 8667 3099 8641
3099 8639 3090 8638 3079 8639 3078 8638
3076 8639 3073 8638 3050 8639
TIME...MOT...LOC 1543Z 231DEG 42KT 3061 8679
$$3 follow-up statements
831
WWUS54 KMOB 201614
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1014 AM CST THU DEC 20 2012
FLC091-113-201645-
/O.CON.KMOB.TO.W.0105.000000T0000Z-121220T1645Z/
OKALOOSA FL-SANTA ROSA FL-
1014 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR EAST
CENTRAL SANTA ROSA AND OKALOOSA COUNTIES...
AT 1009 AM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
EMBEDDED VERY ISOLATED TORNADO WERE LOCATED ALONG A LINE EXTENDING
FROM 11 MILES EAST OF BAGDAD TO CRESTVIEW TO 9 MILES SOUTHWEST OF
FLORALA...MOVING TO THE EAST AROUND 35 KNOTS.
LOCATIONS IMPACTED INCLUDE...
NICEVILLE... CRESTVIEW...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 40 AND 67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3056 8685 3066 8686 3079 8667 3099 8641
3099 8639 3090 8638 3079 8639 3078 8638
3076 8639 3073 8638 3050 8639
TIME...MOT...LOC 1613Z 246DEG 83KT 3066 8675 3077 8647
3092 8630
$$773
WWUS54 KMOB 201630
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1030 AM CST THU DEC 20 2012
FLC113-201639-
/O.CAN.KMOB.TO.W.0105.000000T0000Z-121220T1645Z/
SANTA ROSA FL-
1030 AM CST THU DEC 20 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR EAST CENTRAL SANTA ROSA
COUNTY...
AT 1028 AM CST...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
SANTA ROSA COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO
WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3054 8666 3073 8668 3079 8667 3099 8641
3099 8639 3090 8638 3079 8639 3078 8638
3076 8639 3073 8638 3050 8639
TIME...MOT...LOC 1629Z 234DEG 46KT 3075 8661
$$
FLC091-201645-
/O.CON.KMOB.TO.W.0105.000000T0000Z-121220T1645Z/
OKALOOSA FL-
1030 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR EASTERN
OKALOOSA COUNTY...
AT 1028 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 3 MILES WEST OF CRESTVIEW...OR 5 MILES SOUTHEAST OF
BAKER...MOVING NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
NICEVILLE... CRESTVIEW...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 50 AND 67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3054 8666 3073 8668 3079 8667 3099 8641
3099 8639 3090 8638 3079 8639 3078 8638
3076 8639 3073 8638 3050 8639
TIME...MOT...LOC 1629Z 234DEG 46KT 3075 8661
$$263
WWUS54 KMOB 201641
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1041 AM CST THU DEC 20 2012
FLC091-201645-
/O.CON.KMOB.TO.W.0105.000000T0000Z-121220T1645Z/
OKALOOSA FL-
1041 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR EASTERN
OKALOOSA COUNTY...
AT 1037 AM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
EMBEDDED ISOLATED TORNADOES WAS MOVING FROM CENTRAL OKALOOSA COUNTY
SOUTHEASTWARD INTO SOUTHEASTERN OKALOOSA COUNTY. THE LINE WAS MOVING
GRADUALLY SOUTHEAST AROUND 35 MPH.
UNLESS ADDITIONAL STRONGER CIRCULATIONS FORM...THE TORNADO WARNING
WILL BE ALLOWED TO EXPIRE AT 1045 AM CST.
LOCATIONS IMPACTED INCLUDE...
NICEVILLE... CRESTVIEW...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 50 AND 67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3054 8666 3073 8668 3079 8667 3099 8641
3099 8639 3090 8638 3079 8639 3078 8638
3076 8639 3073 8638 3050 8639
TIME...MOT...LOC 1638Z 234DEG 46KT 3082 8650
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 7:52 AM CST | Tornado Warning | MOB | Escambia | 53 min |
| Dec 20, 8:27 AM CST | Tornado Warning | MOB | Escambia, Okaloosa, Santa Rosa | 63 min |
| Dec 20, 8:29 AM CST | Tornado Warning | MOB | Okaloosa, Santa Rosa | 46 min |
| Dec 20, 8:41 AM CST | Tornado Warning | MOB | Escambia, Okaloosa, Santa Rosa | 64 min |
| Dec 20, 9:00 AM CST | Tornado Warning | MOB | Escambia, Santa Rosa | 60 min |
| Dec 20, 9:11 AM CST | Tornado Warning | MOB | Okaloosa, Santa Rosa | 25 min |
| Dec 20, 9:25 AM CST | Tornado Warning | MOB | Okaloosa | 55 min |
| Dec 20, 10:19 AM CST | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Dec 20, 2:19 PM CST | Red Flag Warning | MOB | 27 hr |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.