Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 75, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 10, 2012, 10:58 AM CST for Clarke County, Alabama. It was in force for 41 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 10, 2012, 10:58 AM CST (16:58 UTC)
- Expired
- Dec 10, 2012, 11:39 AM CST
- In force
- 41 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Clarke County, AL
The radar
The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 17:02 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 10, 8:51 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 5.0 hours before the alert went out and 203 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
- 385 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
560
WFUS54 KMOB 101658
TORMOB
ALC025-101800-
/O.NEW.KMOB.TO.W.0075.121210T1658Z-121210T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1058 AM CST MON DEC 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL NOON CST
* AT 1053 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 11 MILES NORTHEAST OF CHATOM...OR 8 MILES EAST
OF MILLRY...MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
WHATLEY... GROVE HILL... FULTON...
COFFEEVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3159 8759 3153 8794 3154 8799 3157 8804
3158 8802 3158 8805 3166 8809 3166 8808
3175 8810 3193 8774
TIME...MOT...LOC 1658Z 255DEG 35KT 3162 8812
$$2 follow-up statements
746
WWUS54 KMOB 101724
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1124 AM CST MON DEC 10 2012
ALC025-101800-
/O.CON.KMOB.TO.W.0075.000000T0000Z-121210T1800Z/
CLARKE AL-
1124 AM CST MON DEC 10 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL NOON CST FOR CENTRAL
CLARKE COUNTY...
AT 1120 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES WEST OF GROVE HILL...OR 10 MILES WEST OF
WHATLEY...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
WHATLEY... THOMASVILLE... GROVE HILL...
FULTON...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3159 8759 3155 8792 3157 8794 3161 8794
3163 8794 3170 8792 3175 8794 3184 8792
3193 8774
TIME...MOT...LOC 1724Z 255DEG 35KT 3169 8783
$$579
WWUS54 KMOB 101739
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1139 AM CST MON DEC 10 2012
ALC025-101749-
/O.CAN.KMOB.TO.W.0075.000000T0000Z-121210T1800Z/
CLARKE AL-
1139 AM CST MON DEC 10 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR CENTRAL CLARKE
COUNTY...
AT 1138 AM CST...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
CLARKE COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO WARNING
HAS BEEN CANCELLED.
ALTHOUGH THIS WARNING HAS BEEN CANCELLED...ADDITIONAL STORMS MAY
DEVELOP REQUIRING NEW WARNINGS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3159 8759 3155 8792 3157 8794 3161 8794
3163 8794 3170 8792 3175 8794 3184 8792
3193 8774
TIME...MOT...LOC 1739Z 255DEG 35KT 3173 8766
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:51 AM CST | Small Craft Advisory | MOB | 29 hr | |
| Dec 10, 9:43 AM CST | Special Marine Warning | MOB | 2 hr | |
| Dec 10, 9:53 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 52 min |
| Dec 10, 10:03 AM CST | Tornado Warning | MOB | Baldwin | 42 min |
| Dec 10, 10:31 AM CST | Severe Thunderstorm Warning | MOB | Washington | 49 min |
| Dec 10, 10:36 AM CST | Tornado Warning | MOB | Choctaw, Washington | 40 min |
| Dec 10, 10:37 AM CST | Tornado Warning | MOB | Baldwin | 38 min |
| Dec 10, 11:32 AM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 42 min |
| Dec 10, 11:36 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 54 min |
| Dec 10, 12:09 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Monroe | 47 min |
| Dec 10, 12:18 PM CST | Severe Thunderstorm Warning | MOB | Butler, Monroe, Wilcox | 42 min |
| Dec 10, 12:30 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Conecuh, Monroe | 28 min |
| Dec 10, 12:32 PM CST | Severe Thunderstorm Warning | MOB | Butler, Wilcox | 29 min |
| Dec 10, 12:37 PM CST | Special Marine Warning | MOB | 92 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.