Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 85, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 20, 2012, 6:06 AM CST for Washington County, Alabama. It was in force for 22 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, 6:06 AM CST (12:06 UTC)
- Expired
- Dec 20, 2012, 6:28 AM CST
- In force
- 22 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Washington County, AL
The radar
The Mobile radar (KMOB), 87 km from the middle of the area, began a volume at 12:10 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 0.1 hours before the alert went out and 193 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
- 1181 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
914 WFUS54 KMOB 201206 TORMOB ALC129-201245- /O.NEW.KMOB.TO.W.0085.121220T1206Z-121220T1245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 606 AM CST THU DEC 20 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 645 AM CST * AT 600 AM CST...ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 13 MILES SOUTHWEST OF CHATOM...OR 3 MILES SOUTHEAST OF FRUITDALE...MOVING NORTHEAST AT 65 MPH. * LOCATIONS IMPACTED INCLUDE... TIBBIE... CHATOM... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3162 8826 3139 8802 3127 8831 3139 8842 TIME...MOT...LOC 1206Z 233DEG 58KT 3137 8829 $$
1 follow-up statement
447 WWUS54 KMOB 201228 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 628 AM CST THU DEC 20 2012 ALC129-201238- /O.CAN.KMOB.TO.W.0085.000000T0000Z-121220T1245Z/ WASHINGTON AL- 628 AM CST THU DEC 20 2012 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR CENTRAL WASHINGTON COUNTY... AT 623 AM CST...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL WASHINGTON COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO WARNING HAS BEEN CANCELLED. ADDITIONAL WARNINGS WILL BE POSSIBLE THIS MORNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. LAT...LON 3162 8826 3139 8802 3127 8831 3139 8842 TIME...MOT...LOC 1228Z 233DEG 58KT 3158 8796 $$ !
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, 6:08 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, 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.