Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 87, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 20, 2012, 6:11 AM CST for Conecuh County, Escambia County, Monroe County, Alabama. It was in force for 49 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, 6:11 AM CST (12:11 UTC)
- Expired
- Dec 20, 2012, 7:00 AM CST
- In force
- 49 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL, Monroe County, AL
The radar
The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 12:14 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
Birmingham, AL (KBMX), launched 12:00Z, 0.2 hours before the alert went out and 214 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.
632 WFUS54 KMOB 201211 TORMOB ALC035-053-099-201300- /O.NEW.KMOB.TO.W.0087.121220T1211Z-121220T1300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 611 AM CST THU DEC 20 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA... NORTHWESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA... SOUTH CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA... * UNTIL 700 AM CST * AT 610 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 10 MILES NORTH OF ATMORE...OR NEAR MCCULLOUGH...MOVING NORTHEAST AT 60 MPH. * LOCATIONS IMPACTED INCLUDE... URIAH... MEGARGEL... FRISCO CITY... EXCEL... REPTON... I65 AND AL 41... MCCULLOUGH... I65 AND AL 21... I65 AND AL 113... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 55 AND 83. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3151 8734 3132 8712 3106 8750 3122 8760 TIME...MOT...LOC 1211Z 224DEG 52KT 3118 8751 $$
2 follow-up statements
386 WWUS54 KMOB 201221 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 621 AM CST THU DEC 20 2012 ALC035-053-099-201300- /O.CON.KMOB.TO.W.0087.000000T0000Z-121220T1300Z/ CONECUH AL-ESCAMBIA AL-MONROE AL- 621 AM CST THU DEC 20 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CST FOR SOUTH CENTRAL MONROE...NORTHWESTERN ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES... AT 619 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 14 MILES SOUTH OF FRISCO CITY...OR 6 MILES SOUTHEAST OF URIAH...MOVING NORTHEAST AT 60 MPH. LOCATIONS IMPACTED INCLUDE... URIAH... MEGARGEL... FRISCO CITY... EXCEL... REPTON... I65 AND AL 41... I65 AND AL 113... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 60 AND 83. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3112 8744 3125 8757 3151 8734 3132 8712 TIME...MOT...LOC 1221Z 224DEG 52KT 3126 8742 $$ !
488 WWUS54 KMOB 201233 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 633 AM CST THU DEC 20 2012 ALC053-201243- /O.CAN.KMOB.TO.W.0087.000000T0000Z-121220T1300Z/ ESCAMBIA AL- 633 AM CST THU DEC 20 2012 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHWESTERN ESCAMBIA COUNTY... AT 628 AM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN ESCAMBIA 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 AND SOUTHEAST MISSISSIPPI. LAT...LON 3128 8735 3133 8750 3151 8734 3132 8712 TIME...MOT...LOC 1233Z 224DEG 52KT 3138 8728 $$ ALC035-099-201300- /O.CON.KMOB.TO.W.0087.000000T0000Z-121220T1300Z/ CONECUH AL-MONROE AL- 633 AM CST THU DEC 20 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CST FOR SOUTH CENTRAL MONROE AND CENTRAL CONECUH COUNTIES... AT 628 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 8 MILES SOUTHEAST OF FRISCO CITY...OR 6 MILES SOUTHEAST OF MEGARGEL...MOVING NORTHEAST AT 60 MPH. LOCATIONS IMPACTED INCLUDE... MEGARGEL... FRISCO CITY... EXCEL... REPTON... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3128 8735 3133 8750 3151 8734 3132 8712 TIME...MOT...LOC 1233Z 224DEG 52KT 3138 8728 $$
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, 6:39 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, 9:50 AM CST | Tornado Warning | MOB | Covington, Crenshaw | 16 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.