Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Mar 9, 2011, 4:32 AM CST for Choctaw County, Alabama. It was in force for 33 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
- Mar 9, 2011, 4:32 AM CST (10:32 UTC)
- Expired
- Mar 9, 2011, 5:05 AM CST
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Birmingham radar (KBMX), 154 km from the middle of the area, began a volume at 10:35 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 |
|---|---|---|---|
| Mar 9, 2:39 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 10.5 hours before the alert went out and 154 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
- 1808 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 365 m²/s²
- 0-3 km storm-relative helicity
- 712 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
027
WFUS54 KMOB 091032
TORMOB
ALC023-091115-
/O.NEW.KMOB.TO.W.0003.110309T1032Z-110309T1115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
432 AM CST WED MAR 9 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 515 AM CST
* AT 427 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES NORTH
OF BUTLER...OR 10 MILES NORTH OF LISMAN...MOVING EAST AT 65 MPH.
* THE TORNADO WILL BE NEAR...
PENNINGTON AROUND 440 AM CST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3232 8793 3229 8792 3229 8794 3230 8795
3230 8798 3228 8801 3226 8800 3220 8800
3219 8836 3232 8829
TIME...MOT...LOC 1032Z 269DEG 56KT 3231 8817
$$3 follow-up statements
295
WWUS54 KMOB 091041
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
441 AM CST WED MAR 9 2011
ALC023-091115-
/O.CON.KMOB.TO.W.0003.000000T0000Z-110309T1115Z/
CHOCTAW AL-
441 AM CST WED MAR 9 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
NORTHEASTERN CHOCTAW COUNTY...
AT 432 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR PELHAM...OR ABOUT 15 MILES NORTH OF BUTLER...MOVING
EAST AT 65 MPH.
THE TORNADO WILL BE NEAR...
RURAL NORTHEASTERN CHOCTAW COUNTY AT 450 AM CST
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3221 8834 3232 8822 3232 8793 3229 8792
3229 8794 3230 8795 3230 8798 3228 8801
3226 8800 3220 8800
TIME...MOT...LOC 1040Z 269DEG 56KT 3231 8804
$$514
WWUS54 KMOB 091054
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
454 AM CST WED MAR 9 2011
ALC023-091115-
/O.CON.KMOB.TO.W.0003.000000T0000Z-110309T1115Z/
CHOCTAW AL-
454 AM CST WED MAR 9 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
NORTHEASTERN CHOCTAW COUNTY...
AT 451 AM CST.... THESE TORNADO PRODUCING STORMS WERE ALONG A LINE
EXTENDING FROM 10 MILES NORTHWEST OF LINDEN TO 9 MILES WEST OF
LINDEN TO 14 MILES NORTHEAST OF BUTLER...MOVING EAST AT 55 MPH.
THE TORNADO WARNING WILL REMAIN IN EFFECT UNTIL THE THUNDERSTORM
MOVES OUT OF THE COUNTY AROUND 5 AM CST.
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3222 8817 3232 8803 3232 8793 3229 8792
3229 8794 3230 8795 3230 8798 3228 8801
3226 8800 3220 8800
TIME...MOT...LOC 1052Z 262DEG 35KT 3239 8791 3227 8793
3221 8802
$$803
WWUS54 KMOB 091105
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
505 AM CST WED MAR 9 2011
ALC023-091115-
/O.CAN.KMOB.TO.W.0003.000000T0000Z-110309T1115Z/
CHOCTAW AL-
505 AM CST WED MAR 9 2011
...THE TORNADO WARNING FOR NORTHEASTERN CHOCTAW COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3222 8817 3232 8803 3232 8793 3229 8792
3229 8794 3230 8795 3230 8798 3228 8801
3226 8800 3220 8800
TIME...MOT...LOC 1105Z 262DEG 35KT 3241 8776 3229 8778
3223 8787
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 7:11 PM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 34 min |
| Mar 8, 8:23 PM CST | Severe Thunderstorm Warning | MOB | Washington | 37 min |
| Mar 8, 9:04 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Washington | 41 min |
| Mar 8, 9:44 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Washington, Wilcox | 46 min |
| Mar 9, 1:32 AM CST | Flash Flood Warning | MOB | Choctaw | 118 min |
| Mar 9, 4:20 AM CST | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Mar 9, 4:22 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 38 min |
| Mar 9, 5:07 AM CST | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Mar 9, 5:40 AM CST | Tornado Warning | MOB | Choctaw, Clarke | 33 min |
| Mar 9, 5:51 AM CST | Flash Flood Warning | MOB | Clarke, Washington, Wilcox | 6 hr |
| Mar 9, 6:37 AM CST | Tornado Warning | MOB | Washington | 17 min |
| Mar 9, 7:08 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile, Washington | 52 min |
| Mar 9, 7:26 AM CST | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 6 hr |
| Mar 9, 7:33 AM CST | Flash Flood Warning | MOB | Monroe | 6 hr |
| Mar 9, 7:52 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 83 min |
| Mar 9, 7:54 AM CST | Special Marine Warning | MOB | 81 min | |
| Mar 9, 8:01 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 44 min |
| Mar 9, 8:14 AM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 61 min |
| Mar 9, 8:27 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 63 min |
| Mar 9, 8:35 AM CST | Tornado Warning | MOB | Conecuh, Covington, Escambia | 40 min |
| Mar 9, 8:41 AM CST | Flash Flood Warning | MOB | Baldwin, Mobile | 4 hr |
| Mar 9, 8:48 AM CST | Flash Flood Warning | MOB | Conecuh, Escambia | 5 hr |
| Mar 9, 8:50 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 40 min |
| Mar 9, 9:02 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 58 min |
| Mar 9, 9:10 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 65 min |
| Mar 9, 9:10 AM CST | Tornado Warning | MOB | Baldwin | 50 min |
| Mar 9, 9:16 AM CST | Tornado Warning | MOB | Baldwin | 44 min |
| Mar 9, 9:16 AM CST | Tornado Warning | MOB | Covington | 59 min |
| Mar 9, 9:19 AM CST | Special Marine Warning | MOB | 116 min | |
| Mar 9, 9:23 AM CST | Special Marine Warning | MOB | 97 min | |
| Mar 9, 9:25 AM CST | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Mar 9, 9:26 AM CST | Tornado Warning | MOB | Baldwin, Escambia | 49 min |
| Mar 9, 9:26 AM CST | Tornado Warning | MOB | Covington, Crenshaw | 26 min |
| Mar 9, 9:36 AM CST | Flash Flood Warning | MOB | Conecuh, Covington, Escambia | 114 min |
| Mar 9, 9:40 AM CST | Tornado Warning | MOB | Baldwin | 50 min |
| Mar 9, 9:44 AM CST | Areal Flood Advisory | MOB | Butler, Conecuh, Covington, Crenshaw | 4 hr |
| Mar 9, 9:54 AM CST | Tornado Warning | MOB | Covington | 25 min |
| Mar 9, 10:09 AM CST | Severe Thunderstorm Warning | MOB | Covington | 66 min |
| Mar 9, 10:22 AM CST | Areal Flood Warning | MOB | Choctaw | 5 hr |
| Mar 9, 10:55 AM CST | Special Marine Warning | MOB | 80 min | |
| Mar 9, 11:00 AM CST | Areal Flood Warning | MOB | Choctaw | 5 hr |
| Mar 9, 11:14 AM CST | Tornado Warning | MOB | Baldwin | 61 min |
| Mar 9, 11:30 AM CST | River Flood Warning | MOB | Clarke, Monroe, Wilcox | 10 days |
| Mar 9, 11:54 AM CST | Areal Flood Advisory | MOB | Conecuh, Covington, Escambia | 111 min |
| Mar 9, 11:58 AM CST | Special Marine Warning | MOB | 2 hr | |
| Mar 9, 12:00 PM CST | Areal Flood Warning | MOB | Clarke, Washington, Wilcox | 4 hr |
| Mar 9, 2:02 PM CST | Special Marine Warning | MOB | 58 min |
Nearby
Tornado Warnings in Alabama, 2011Every tornado warning in 2011Tornadoes in 2011
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.