Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 5, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Mar 9, 2011, 5:40 AM CST for Choctaw County, Clarke 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, 5:40 AM CST (11:40 UTC)
- Expired
- Mar 9, 2011, 6:13 AM CST
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL
The radar
The Mobile radar (KMOB), 134 km from the middle of the area, began a volume at 11:42 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
Jackson, MS (KJAN), launched 00:00Z, 11.7 hours before the alert went out and 186 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
- 600 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 542 m²/s²
- 0-3 km storm-relative helicity
- 664 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
696
WFUS54 KMOB 091140
TORMOB
ALC023-025-091230-
/O.NEW.KMOB.TO.W.0005.110309T1140Z-110309T1230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
540 AM CST WED MAR 9 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 630 AM CST
* AT 537 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
NORTHEAST OF WAYNESBORO...OR 9 MILES WEST OF SILAS...MOVING
NORTHEAST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
SILAS AROUND 550 AM CST...
GILBERTOWN AND TOXEY AROUND 555 AM CST...
CHAPPELL HILL AND WIMBLY AROUND 600 AM CST...
HOLTAMVILLE AROUND 625 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 3205 8811 3201 8810 3202 8808 3200 8807
3200 8792 3184 8779 3172 8812 3170 8841
3170 8846 3171 8846 3184 8847
TIME...MOT...LOC 1140Z 242DEG 40KT 3178 8845
$$3 follow-up statements
687
WWUS54 KMOB 091156
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
556 AM CST WED MAR 9 2011
ALC023-025-091230-
/O.CON.KMOB.TO.W.0005.000000T0000Z-110309T1230Z/
CLARKE AL-CHOCTAW AL-
556 AM CST WED MAR 9 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CST FOR
SOUTHEASTERN CHOCTAW AND NORTHWESTERN CLARKE COUNTIES...
AT 551 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR BOLINGER...MOVING EAST AT 50 MPH.
THE TORNADO WILL BE NEAR...
WEST BEND AND COFFEEVILLE AROUND 605 AM CST...
CENTER POINT AND CUNNINGHAM AROUND 610 AM CST...
MCENTYRE...SMYER AND CAMPBELL AROUND 615 AM CST...
OPINE AROUND 620 AM CST...
TALLAHATTA SPRINGS AROUND 625 AM CST...
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3171 8828 3173 8833 3180 8834 3205 8811
3201 8810 3202 8808 3200 8807 3200 8792
3184 8779 3172 8812
TIME...MOT...LOC 1156Z 257DEG 44KT 3179 8825
$$872
WWUS54 KMOB 091204
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
604 AM CST WED MAR 9 2011
ALC023-025-091230-
/O.CON.KMOB.TO.W.0005.000000T0000Z-110309T1230Z/
CLARKE AL-CHOCTAW AL-
604 AM CST WED MAR 9 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CST FOR
SOUTHEASTERN CHOCTAW AND NORTHWESTERN CLARKE COUNTIES...
AT 600 AM CST.... THIS TORNADO WAS NEAR WEST BEND...OR ABOUT 19 MILES
SOUTH OF BUTLER...MOVING EAST AT 50 MPH.
THE TORNADO WILL BE NEAR...
CENTER POINT...SMYER...CUNNINGHAM AND WOODS BLUFF AROUND 610 AM
CST...
MCENTYRE...CAMPBELL AND FAILETOWN AROUND 615 AM CST... TALLAHATTA
SPRINGS...OPINE AND HOLTAMVILLE AROUND 620 AM CST...
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 3172 8821 3177 8825 3186 8825 3205 8811
3201 8810 3202 8808 3200 8807 3200 8792
3184 8779 3172 8812
TIME...MOT...LOC 1204Z 257DEG 44KT 3182 8812
$$178
WWUS54 KMOB 091213
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
613 AM CST WED MAR 9 2011
ALC023-025-091223-
/O.CAN.KMOB.TO.W.0005.000000T0000Z-110309T1230Z/
CLARKE AL-CHOCTAW AL-
613 AM CST WED MAR 9 2011
...THE TORNADO WARNING FOR SOUTHEASTERN CHOCTAW AND NORTHWESTERN
CLARKE COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3172 8821 3177 8825 3186 8825 3205 8811
3201 8810 3202 8808 3200 8807 3200 8792
3184 8779 3172 8812
TIME...MOT...LOC 1213Z 257DEG 44KT 3184 8799
$$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, 4:32 AM CST | Tornado Warning | MOB | Choctaw | 33 min |
| Mar 9, 5:07 AM CST | Flash Flood Warning | MOB | Choctaw | 6 hr |
| 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.