Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 106, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 20, 2012, 9:50 AM CST for Covington County, Crenshaw County, Alabama. It was in force for 16 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 20, 2012, 9:50 AM CST (15:50 UTC)
- Expired
- Dec 20, 2012, 10:06 AM CST
- In force
- 16 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Covington County, AL, Crenshaw County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 20, 9:55 AM CST | FUNNEL CLOUD | 6 S Brantley, AL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Birmingham, AL (KBMX), launched 12:00Z, 3.8 hours before the alert went out and 186 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
- 512 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 574 m²/s²
- 0-3 km storm-relative helicity
- 705 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
860
WFUS54 KMOB 201550
TORMOB
ALC039-041-201630-
/O.NEW.KMOB.TO.W.0106.121220T1550Z-121220T1630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
950 AM CST THU DEC 20 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHEASTERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 1030 AM CST
* AT 946 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 11 MILES NORTHWEST OF OPP...OR 5 MILES SOUTH OF
DOZIER...MOVING NORTHEAST AT 60 MPH.
A FUNNEL CLOUD HAS BEEN REPORTED WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
GLENWOOD... DOZIER... BRANTLEY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3153 8616 3152 8619 3143 8619 3135 8633
3144 8642 3179 8620 3179 8615 3178 8614
3166 8614 3163 8618 3162 8614 3154 8614
TIME...MOT...LOC 1550Z 230DEG 52KT 3146 8630
$$2 follow-up statements
882
WWUS54 KMOB 201600
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1000 AM CST THU DEC 20 2012
ALC039-041-201630-
/O.CON.KMOB.TO.W.0106.000000T0000Z-121220T1630Z/
COVINGTON AL-CRENSHAW AL-
1000 AM CST THU DEC 20 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CST FOR
SOUTHEASTERN CRENSHAW AND NORTHEASTERN COVINGTON COUNTIES...
AT 956 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES WEST OF ELBA...OR 7 MILES EAST OF DOZIER...
MOVING NORTHEAST AT 45 MPH.
A FUNNEL CLOUD WAS PREVIOUSLY REPORTED WITH THIS THUNDERSTORM.
LOCATIONS IMPACTED INCLUDE...
RURAL SOUTHEASTERN CRENSHAW COUNTY
RURAL NORTHEASTERN COVINGTON COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3153 8616 3152 8619 3143 8619 3139 8628
3147 8632 3156 8627 3163 8618 3162 8614
3154 8614
TIME...MOT...LOC 1600Z 229DEG 38KT 3150 8622
$$331
WWUS54 KMOB 201606
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1006 AM CST THU DEC 20 2012
ALC039-041-201614-
/O.CAN.KMOB.TO.W.0106.000000T0000Z-121220T1630Z/
COVINGTON AL-CRENSHAW AL-
1006 AM CST THU DEC 20 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN CRENSHAW
AND NORTHEASTERN COVINGTON COUNTIES...
AT 1000 AM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
CRENSHAW AND NORTHEASTERN COVINGTON COUNTIES 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 3153 8616 3152 8619 3143 8619 3139 8628
3147 8632 3156 8627 3163 8618 3162 8614
3154 8614
TIME...MOT...LOC 1604Z 229DEG 38KT 3153 8618
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 2:51 AM CST | Gale Warning | MOB | 30 hr | |
| Dec 20, 2:51 AM CST | Small Craft Advisory | MOB | 33 hr | |
| Dec 20, 4:11 AM CST | Tornado Warning | MOB | Mobile | 64 min |
| Dec 20, 4:42 AM CST | Tornado Warning | MOB | Mobile | 36 min |
| Dec 20, 4:49 AM CST | Tornado Warning | MOB | Choctaw | 30 min |
| Dec 20, 5:14 AM CST | Tornado Warning | MOB | Baldwin | 46 min |
| Dec 20, 5:29 AM CST | Tornado Warning | MOB | Washington | 46 min |
| Dec 20, 5:38 AM CST | Tornado Warning | MOB | Choctaw, Clarke, Washington | 52 min |
| Dec 20, 5:45 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 39 min |
| Dec 20, 6:03 AM CST | Tornado Warning | MOB | Clarke | 28 min |
| Dec 20, 6:06 AM CST | Tornado Warning | MOB | Washington | 22 min |
| Dec 20, 6:08 AM CST | Tornado Warning | MOB | Baldwin | 21 min |
| Dec 20, 6:11 AM CST | Tornado Warning | MOB | Conecuh, Escambia, Monroe | 49 min |
| Dec 20, 6:39 AM CST | Tornado Warning | MOB | Conecuh, Monroe | 35 min |
| Dec 20, 6:40 AM CST | Tornado Warning | MOB | Washington | 50 min |
| Dec 20, 6:56 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 34 min |
| Dec 20, 7:02 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 58 min |
| Dec 20, 7:06 AM CST | Special Marine Warning | MOB | 84 min | |
| Dec 20, 7:18 AM CST | Tornado Warning | MOB | Clarke, Washington | 42 min |
| Dec 20, 7:19 AM CST | Tornado Warning | MOB | Conecuh, Escambia, Monroe | 56 min |
| Dec 20, 7:25 AM CST | Tornado Warning | MOB | Clarke, Wilcox | 50 min |
| Dec 20, 7:36 AM CST | Tornado Warning | MOB | Baldwin, Clarke, Monroe | 42 min |
| Dec 20, 7:52 AM CST | Tornado Warning | MOB | Baldwin | 53 min |
| Dec 20, 8:10 AM CST | Tornado Warning | MOB | Wilcox | 32 min |
| Dec 20, 8:14 AM CST | Tornado Warning | MOB | Conecuh, Monroe | 33 min |
| Dec 20, 8:15 AM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 17 min |
| Dec 20, 8:26 AM CST | Special Marine Warning | MOB | 94 min | |
| Dec 20, 8:27 AM CST | Tornado Warning | MOB | Escambia | 63 min |
| Dec 20, 8:29 AM CST | Tornado Warning | MOB | Escambia | 46 min |
| Dec 20, 9:11 AM CST | Tornado Warning | MOB | Escambia | 25 min |
| Dec 20, 9:25 AM CST | Tornado Warning | MOB | Covington | 55 min |
| Dec 20, 9:28 AM CST | Severe Thunderstorm Warning | MOB | Wilcox | 15 min |
| Dec 20, 9:30 AM CST | Special Marine Warning | MOB | 60 min | |
| Dec 20, 9:49 AM CST | Severe Thunderstorm Warning | MOB | Wilcox | 26 min |
| Dec 20, 10:23 AM CST | Special Marine Warning | MOB | 82 min | |
| Dec 20, 11:34 AM CST | Special Marine Warning | MOB | 61 min | |
| Dec 20, 2:19 PM CST | Fire Weather Watch | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia, Monroe and 1 more | 16 hr |
| Dec 20, 2:19 PM CST | Red Flag Warning | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 27 hr |
Nearby
Tornado Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.