Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 69, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Sep 30, 2012, 6:08 PM CDT for Mobile County, Washington County, Alabama; Greene County, Mississippi. It was in force for 34 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
- Sep 30, 2012, 6:08 PM CDT (23:08 UTC)
- Expired
- Sep 30, 2012, 6:42 PM CDT
- In force
- 34 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Mobile County, AL, Washington County, AL, Greene County, MS
The radar
The Mobile radar (KMOB), 69 km from the middle of the area, began a volume at 23:11 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 |
|---|---|---|---|
| Sep 30, 5:50 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.1 hours before the alert went out and 178 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
- 1360 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
112 WFUS54 KMOB 302308 TORMOB ALC097-129-MSC041-010015- /O.NEW.KMOB.TO.W.0069.120930T2308Z-121001T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 608 PM CDT SUN SEP 30 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI... NORTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA... SOUTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 715 PM CDT * AT 608 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 10 MILES SOUTHEAST OF LEAKESVILLE...OR 12 MILES WEST OF GULFCREST...MOVING NORTHEAST AT 30 MPH. * LOCATIONS IMPACTED INCLUDE... VINEGAR BEND... TIBBIE... DEER PARK... CHATOM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3153 8828 3138 8804 3099 8834 3105 8852 TIME...MOT...LOC 2308Z 210DEG 27KT 3108 8842 $$
2 follow-up statements
793
WWUS54 KMOB 302329
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
629 PM CDT SUN SEP 30 2012
ALC097-MSC041-302338-
/O.CAN.KMOB.TO.W.0069.000000T0000Z-121001T0015Z/
GREENE MS-MOBILE AL-
629 PM CDT SUN SEP 30 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHWESTERN MOBILE AND
SOUTHEASTERN GREENE COUNTIES...
AT 625 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
MOBILE AND SOUTHEASTERN GREENE COUNTIES HAD MOVED OUT OF
NORTHWESTERN MOBILE AND SOUTHEASTERN GREENE COUNTIES...THUS THE
TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 3153 8828 3138 8804 3114 8823 3114 8833
3113 8833 3112 8835 3113 8838 3119 8844
3121 8844
TIME...MOT...LOC 2328Z 206DEG 21KT 3117 8836
$$
ALC129-010015-
/O.CON.KMOB.TO.W.0069.000000T0000Z-121001T0015Z/
WASHINGTON AL-
629 PM CDT SUN SEP 30 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
WASHINGTON COUNTY...
AT 625 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES NORTHWEST OF CITRONELLE...OR 5 MILES SOUTHWEST
OF DEER PARK...MOVING NORTHEAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
VINEGAR BEND... TIBBIE... DEER PARK...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3153 8828 3138 8804 3114 8823 3114 8833
3113 8833 3112 8835 3113 8838 3119 8844
3121 8844
TIME...MOT...LOC 2328Z 206DEG 21KT 3117 8836
$$353
WWUS54 KMOB 302342 RRA
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
642 PM CDT SUN SEP 30 2012
ALC129-302351-
/O.CAN.KMOB.TO.W.0069.000000T0000Z-121001T0015Z/
WASHINGTON AL-
642 PM CDT SUN SEP 30 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR SOUTHERN WASHINGTON
COUNTY...
AT 639 PM CDT...THE ROTATION IN THE STORM THAT PROMPTED THE WARNING
FOR SOUTHERN WASHINGTON COUNTY HAD WEAKENED...THUS THE TORNADO
WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 2 AM CDT MONDAY.
LAT...LON 3153 8828 3138 8804 3114 8823 3114 8833
3113 8833 3112 8835 3113 8838 3119 8844
3121 8844
TIME...MOT...LOC 2341Z 206DEG 21KT 3124 8832
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 11:15 AM CDT | Special Marine Warning | MOB | 60 min | |
| Sep 30, 12:14 PM CDT | Special Marine Warning | MOB | 91 min | |
| Sep 30, 12:15 PM CDT | Areal Flood Advisory | MOB | Baldwin, Mobile | 2 hr |
| Sep 30, 6:29 PM CDT | Tornado Warning | MOB | Baldwin | 28 min |
| Sep 30, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | George, Perry, Stone | 54 min |
| Sep 30, 4:09 PM CDT | Tornado Warning | MOB | Stone | 51 min |
| Sep 30, 4:33 PM CDT | Tornado Warning | MOB | Perry, Stone | 42 min |
| Sep 30, 5:04 PM CDT | Tornado Warning | MOB | George, Greene, Perry, Stone | 41 min |
Nearby
Tornado Warnings in Alabama, 2012Tornado Warnings in Mississippi, 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.