Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 116, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 25, 2012, 4:17 PM CST for Clarke County, Mobile County, Washington County, Alabama. It was in force for 10 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 25, 2012, 4:17 PM CST (22:17 UTC)
- Expired
- Dec 25, 2012, 4:27 PM CST
- In force
- 10 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Mobile County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 22:17 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 25, 12:58 PM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.3 hours before the alert went out and 206 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
- 790 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
174 WFUS54 KMOB 252217 TORMOB ALC025-097-129-252315- /O.NEW.KMOB.TO.W.0116.121225T2217Z-121225T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 417 PM CST TUE DEC 25 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... NORTH CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA... EASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 515 PM CST * AT 413 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 9 MILES SOUTH OF CITRONELLE...OR 3 MILES SOUTH OF GULFCREST...MOVING NORTHEAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... MOWA CHOCTAW RESERVATION... GULFCREST... CITRONELLE... CHUNCHULA... CALVERT... WHATLEY... JACKSON... WAGARVILLE... SAINT STEPHENS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA. && LAT...LON 3178 8797 3167 8768 3088 8815 3095 8834 TIME...MOT...LOC 2217Z 204DEG 39KT 3100 8820 $$
1 follow-up statement
689 WWUS54 KMOB 252227 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 427 PM CST TUE DEC 25 2012 ALC025-097-129-252237- /O.CAN.KMOB.TO.W.0116.000000T0000Z-121225T2315Z/ WASHINGTON AL-CLARKE AL-MOBILE AL- 427 PM CST TUE DEC 25 2012 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL MOBILE... CENTRAL CLARKE AND EASTERN WASHINGTON COUNTIES... AT 422 PM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTH CENTRAL MOBILE...CENTRAL CLARKE AND EASTERN WASHINGTON COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA. LAT...LON 3178 8797 3167 8768 3088 8815 3095 8834 TIME...MOT...LOC 2227Z 204DEG 39KT 3110 8815 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 9:38 PM CST | Small Craft Advisory | MOB | 20 hr | |
| Dec 25, 4:41 AM CST | Gale Warning | MOB | 31 hr | |
| Dec 25, 4:41 AM CST | Small Craft Advisory | MOB | 13 hr | |
| Dec 25, 4:41 AM CST | Small Craft Advisory | MOB | 42 hr | |
| Dec 25, 4:41 AM CST | Small Craft Advisory | MOB | 42 hr | |
| Dec 25, 2:01 PM CST | Special Marine Warning | MOB | 62 min | |
| Dec 25, 2:43 PM CST | Tornado Warning | MOB | Clarke | 32 min |
| Dec 25, 2:55 PM CST | Tornado Warning | MOB | Clarke, Monroe | 65 min |
| Dec 25, 3:14 PM CST | Special Marine Warning | MOB | 61 min | |
| Dec 25, 3:35 PM CST | Tornado Warning | MOB | Covington, Crenshaw | 55 min |
| Dec 25, 4:07 PM CST | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 68 min |
| Dec 25, 4:12 PM CST | Tornado Warning | MOB | Mobile | 33 min |
| Dec 25, 4:13 PM CST | Special Marine Warning | MOB | 17 min | |
| Dec 25, 4:24 PM CST | Tornado Warning | MOB | Crenshaw | 51 min |
| Dec 25, 4:24 PM CST | Tornado Warning | MOB | Choctaw | 66 min |
| Dec 25, 4:28 PM CST | Tornado Warning | MOB | Wilcox | 17 min |
| Dec 25, 4:39 PM CST | Tornado Warning | MOB | Conecuh, Escambia, Monroe | 51 min |
| Dec 25, 4:41 PM CST | Tornado Warning | MOB | Conecuh, Escambia | 49 min |
| Dec 25, 4:44 PM CST | Tornado Warning | MOB | Baldwin, Mobile | 61 min |
| Dec 25, 4:47 PM CST | Special Marine Warning | MOB | 43 min | |
| Dec 25, 4:50 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Mobile, Washington | 55 min |
| Dec 25, 4:52 PM CST | Tornado Warning | MOB | Choctaw, Clarke, Washington | 53 min |
| Dec 25, 4:52 PM CST | Tornado Warning | MOB | Crenshaw | 38 min |
| Dec 25, 5:00 PM CST | Tornado Warning | MOB | Mobile, Washington | 45 min |
| Dec 25, 5:08 PM CST | Tornado Warning | MOB | Crenshaw | 45 min |
| Dec 25, 5:08 PM CST | Tornado Warning | MOB | Wilcox | 52 min |
| Dec 25, 5:13 PM CST | Tornado Warning | MOB | Covington | 18 min |
| Dec 25, 5:16 PM CST | Tornado Warning | MOB | Baldwin, Clarke, Mobile, Monroe | 44 min |
| Dec 25, 5:17 PM CST | Tornado Warning | MOB | Clarke, Washington | 58 min |
| Dec 25, 5:23 PM CST | Tornado Warning | MOB | Monroe, Wilcox | 23 min |
| Dec 25, 5:28 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Mobile, Washington | 62 min |
| Dec 25, 5:40 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Wilcox | 65 min |
| Dec 25, 5:44 PM CST | Tornado Warning | MOB | Clarke, Wilcox | 46 min |
| Dec 25, 5:56 PM CST | Tornado Warning | MOB | Clarke, Washington | 64 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.