Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 75, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 8:50 PM CDT for 6 counties in Alabama. It was in force for 55 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 15, 2011, 8:50 PM CDT (01:50 UTC)
- Expired
- Apr 15, 2011, 9:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Baldwin County, AL, Clarke County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 97 km from the middle of the area, began a volume at 01:53 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 9:25 PM CDT | TORNADO | Gainestown, AL | *** 1 INJ *** MULTIPLE HOMES DESTROYED. MULTIPLE HOMES HAVE MODERATE TO SEVERE DAMAGE. 1 INJURY...TRANSPORTED TO HOSPITAL. MULTIPLE TREES AND POWER LINES DOWN. |
| Apr 15, 9:55 PM CDT | HAIL 0.75 | Finchburg, AL | DIME SIZE HAIL REPORTED ON COUNTY ROAD 17 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 15, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 1.8 hours before the alert went out and 230 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
- 2774 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 5.3
- Supercell composite
- 18.2
The text
As transmitted, in the capitals the NWS used until 2016.
614
WFUS54 KMOB 160150
TORMOB
ALC003-025-053-097-099-129-160245-
/O.NEW.KMOB.TO.W.0075.110416T0150Z-110416T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
850 PM CDT FRI APR 15 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
WESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
SOUTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
EXTREME NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
EASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 945 PM CDT
* AT 847 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES
SOUTHEAST OF CHATOM...OR NEAR CORTELUOU...MOVING NORTHEAST AT 40
MPH. THIS STORM HAS A HISTORY OF PRODUCING TORNADIC DAMAGE.
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 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3182 8739 3131 8738 3127 8743 3115 8777
3112 8832 3146 8832
TIME...MOT...LOC 0149Z 242DEG 34KT 3138 8801
$$3 follow-up statements
726
WWUS54 KMOB 160208
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
908 PM CDT FRI APR 15 2011
ALC003-025-053-097-099-129-160245-
/O.CON.KMOB.TO.W.0075.000000T0000Z-110416T0245Z/
ESCAMBIA AL-WASHINGTON AL-MONROE AL-CLARKE AL-BALDWIN AL-MOBILE AL-
908 PM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR EXTREME
NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...SOUTHERN CLARKE...
WESTERN MONROE...EASTERN WASHINGTON AND NORTHWESTERN ESCAMBIA
COUNTIES...
AT 903 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR ROCKVILLE...OR ABOUT 6 MILES SOUTH OF
JACKSON...MOVING NORTHEAST AT 35 MPH. GOLF BALL SIZE HAIL IS ALSO
LIKELY WITH THIS STORM.
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3182 8739 3131 8738 3127 8743 3115 8777
3112 8832 3146 8832
TIME...MOT...LOC 0208Z 244DEG 30KT 3144 8784
$$362
WWUS54 KMOB 160220 RRA
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
920 PM CDT FRI APR 15 2011
ALC003-025-053-097-099-129-160245-
/O.CON.KMOB.TO.W.0075.000000T0000Z-110416T0245Z/
ESCAMBIA AL-WASHINGTON AL-MONROE AL-CLARKE AL-BALDWIN AL-MOBILE AL-
920 PM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR EXTREME
NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...SOUTHERN CLARKE...
WESTERN MONROE...EASTERN WASHINGTON AND NORTHWESTERN ESCAMBIA
COUNTIES...
AT 917 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR ALMA...OR ABOUT 10 MILES EAST OF JACKSON...MOVING
EAST AT 40 MPH. ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS NEAR TIBBIE...OR ABOUT 11 MILES SOUTH OF CHATOM...MOVING
NORTHEAST AT 40 MPH.
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 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3182 8739 3131 8738 3127 8743 3115 8777
3112 8832 3146 8832
TIME...MOT...LOC 0219Z 248DEG 34KT 3148 8771
$$067
WWUS54 KMOB 160230
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
930 PM CDT FRI APR 15 2011
ALC003-025-053-097-099-129-160245-
/O.CON.KMOB.TO.W.0075.000000T0000Z-110416T0245Z/
ESCAMBIA AL-WASHINGTON AL-MONROE AL-CLARKE AL-BALDWIN AL-MOBILE AL-
930 PM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR EXTREME
NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...SOUTHERN CLARKE...
WESTERN MONROE...EASTERN WASHINGTON AND NORTHWESTERN ESCAMBIA
COUNTIES...
AT 926 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR BARLOW BEND...OR ABOUT 15 MILES EAST OF
JACKSON...MOVING NORTHEAST AT 40 MPH. GOLF BALL SIZE HAIL IS ALSO
LIKELY WITH THIS STORM. ANOTHER SEVERE THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO WAS LOCATED NEAR SEABOARD...OR ABOUT 9 MILES
SOUTHEAST OF CHATOM...MOVING NORTHEAST AT 40 MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3182 8739 3131 8738 3127 8743 3115 8777
3112 8832 3146 8832
TIME...MOT...LOC 0229Z 246DEG 34KT 3153 8761
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:14 PM CDT | Tornado Warning | MOB | Washington | 36 min |
| Apr 15, 7:24 PM CDT | Tornado Warning | MOB | Mobile, Washington | 51 min |
| Apr 15, 7:36 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 39 min |
| Apr 15, 7:39 PM CDT | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 29 min |
| Apr 15, 7:54 PM CDT | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 51 min |
| Apr 15, 8:11 PM CDT | Tornado Warning | MOB | Washington | 49 min |
| Apr 15, 8:28 PM CDT | Tornado Warning | MOB | Washington | 47 min |
| Apr 15, 9:15 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Mobile, Washington | 45 min |
| Apr 15, 9:18 PM CDT | Flash Flood Warning | MOB | Washington | 117 min |
| Apr 15, 9:38 PM CDT | Tornado Warning | MOB | Conecuh, Monroe | 52 min |
| Apr 15, 9:41 PM CDT | Tornado Warning | MOB | Clarke, Washington | 49 min |
| Apr 15, 9:59 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 61 min |
| Apr 15, 10:05 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 55 min |
| Apr 15, 10:24 PM CDT | Tornado Warning | MOB | Butler, Clarke, Conecuh, Monroe, Wilcox | 51 min |
| Apr 15, 10:32 PM CDT | Tornado Warning | MOB | Baldwin, Mobile | 33 min |
| Apr 15, 10:56 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Conecuh, Escambia, Mobile, Monroe | 64 min |
| Apr 15, 10:59 PM CDT | Tornado Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 61 min |
| Apr 15, 11:10 PM CDT | Tornado Warning | MOB | Butler, Crenshaw | 16 min |
| Apr 15, 11:33 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 42 min |
| Apr 15, 11:45 PM CDT | Tornado Warning | MOB | Conecuh, Covington, Escambia | 60 min |
| Apr 16, 12:00 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 60 min |
| Apr 16, 12:11 AM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 32 min |
| Apr 16, 12:38 AM CDT | Tornado Warning | MOB | Covington | 52 min |
| Apr 16, 1:01 AM CDT | Severe Thunderstorm Warning | MOB | Covington | 33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.