Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 64, NWS Mobile, AL

April 15, 2011Choctaw County, Clarke County, Washington County, Alabama; Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 6:44 PM CDT for Choctaw County, Clarke County, Washington County, Alabama; Wayne County, Mississippi. It was in force for 61 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
Apr 15, 2011, 6:44 PM CDT (23:44 UTC)
Expired
Apr 15, 2011, 7:45 PM CDT
In force
61 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, Wayne County, MS

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 23:44 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.

IssuedProductOfficeLasted
Apr 15, 11:21 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.7 hours before the alert went out and 179 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2011-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1458 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2011-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 382 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1458 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
382 m²/s²
0-3 km storm-relative helicity
565 m²/s²
Significant tornado parameter
4.0
Supercell composite
14.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

043 
WFUS54 KMOB 152344
TORMOB
ALC023-025-129-MSC153-160045-
/O.NEW.KMOB.TO.W.0064.110415T2344Z-110416T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
644 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  WEST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 745 PM CDT

* AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTH OF
  WAYNESBORO...OR NEAR ROBINSON JUNCTION...MOVING EAST AT 40 MPH.    
  THIS STORM HAS SHOWN TRENDS OF STRENGTHENING IN THE PAST QUARTER   
  HOUR. 

* THE TORNADO WILL BE NEAR...
  MILLRY AROUND 705 PM CDT...
  SILAS AROUND 710 PM CDT...
  SERVICE AROUND 720 PM CDT...
  COFFEEVILLE AROUND 725 PM CDT...

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 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3171 8860 3185 8794 3153 8778 3146 8824
      3152 8869 3163 8868
TIME...MOT...LOC 2344Z 258DEG 37KT 3159 8857

$$
5 follow-up statements
515 
WWUS54 KMOB 152356
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
656 PM CDT FRI APR 15 2011

ALC023-025-129-MSC153-160045-
/O.CON.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-WAYNE MS-
656 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR EAST
CENTRAL WAYNE...SOUTHERN CHOCTAW...WEST CENTRAL CLARKE AND NORTHERN
WASHINGTON COUNTIES...

AT 653 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR BELMONT...OR ABOUT 11 MILES SOUTHEAST OF 
WAYNESBORO...MOVING EAST AT 45 MPH. THERE IS A CURRENT REPORT OF A 
WALL CLOUD VERY NEAR WHERE THE TORNADO WOULD FORM...WHICH IS NEAR 
THE WAYNE COUNTY MISSISSIPPI AND WASHINGTON COUNTY MISSISSIPPI LINE. 

THE TORNADO WILL BE NEAR...
  SHADY GROVE...MEHAPHY...CHAPEL HILL AND AQUILLA AROUND 700 PM
  CDT...
  DUNBAR...HEALING SPRINGS AND MILLRY AROUND 705 PM CDT...
  KOENTON AND CULLOMBURG AROUND 710 PM CDT...
  SILVER CROSS AROUND 720 PM CDT...

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 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3154 8855 3163 8857 3172 8852 3185 8794
      3153 8778 3146 8824
TIME...MOT...LOC 2355Z 250DEG 37KT 3162 8846

$$
082 
WWUS54 KMOB 160005
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
705 PM CDT FRI APR 15 2011

MSC153-160015-
/O.CAN.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WAYNE MS-
705 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR EAST CENTRAL WAYNE COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3156 8780 3153 8809 3158 8840 3163 8844
      3175 8838 3185 8794
TIME...MOT...LOC 0005Z 250DEG 37KT 3166 8835

$$

ALC023-025-129-160045-
/O.CON.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-
705 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTH
CENTRAL CHOCTAW...WEST CENTRAL CLARKE AND NORTHERN WASHINGTON
COUNTIES...

AT 702 PM CDT.... THIS TORNADO WAS NEAR SHADY GROVE...OR ABOUT 15
MILES NORTHWEST OF CHATOM...MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  KOENTON AND CULLOMBURG AROUND 710 PM CDT...
  SILVER CROSS...BLADON SPRINGS AND FRANKVILLE AROUND 720 PM CDT...
  SERVICE AROUND 725 PM CDT...
  COFFEEVILLE AND TATTLERSVILLE AROUND 730 PM CDT...
  CENTER POINT AROUND 735 PM CDT...
  MCENTYRE AROUND 740 PM CDT...

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.

LAT...LON 3156 8780 3153 8809 3158 8840 3163 8844
      3175 8838 3185 8794
TIME...MOT...LOC 0005Z 250DEG 37KT 3166 8835

$$
792 
WWUS54 KMOB 160017
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
717 PM CDT FRI APR 15 2011

ALC023-025-129-160045-
/O.CON.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-
717 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTH
CENTRAL CHOCTAW...WEST CENTRAL CLARKE AND NORTH CENTRAL WASHINGTON
COUNTIES...

AT 712 PM CDT.... THIS TORNADO WAS NEAR CULLOMBURG...OR ABOUT 15 
MILES NORTH OF CHATOM...MOVING EAST AT 45 MPH. A FAIRLY PERSISTENT 
STRONG ROTATION WAS STILL BEING DETECTED.

THE TORNADO WILL BE NEAR...
  SERVICE AROUND 725 PM CDT...
  COFFEEVILLE...TATTLERSVILLE AND SALITPA AROUND 730 PM CDT...
  CENTER POINT AROUND 735 PM CDT...
  MCENTYRE...CLARKSVILLE AND WINN AROUND 740 PM CDT...
  ZIMCO AROUND 745 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3161 8783 3157 8809 3161 8825 3167 8833
      3177 8829 3185 8794
TIME...MOT...LOC 0016Z 250DEG 37KT 3170 8822

$$
510 
WWUS54 KMOB 160020
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
720 PM CDT FRI APR 15 2011

ALC023-025-129-160045-
/O.CON.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-
720 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTH
CENTRAL CHOCTAW...WEST CENTRAL CLARKE AND NORTH CENTRAL WASHINGTON
COUNTIES...

AT 716 PM CDT.... THIS TORNADO WAS NEAR BLADON SPRINGS...OR ABOUT 17
MILES NORTH OF CHATOM...MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  COFFEEVILLE...TATTLERSVILLE AND SALITPA AROUND 730 PM CDT...
  CENTER POINT AROUND 735 PM CDT...
  MCENTYRE AND CLARKSVILLE AROUND 740 PM CDT...
  ZIMCO AROUND 745 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3164 8785 3160 8809 3164 8824 3170 8831
      3178 8825 3185 8794
TIME...MOT...LOC 0021Z 250DEG 37KT 3172 8817

$$
862 
WWUS54 KMOB 160041
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
741 PM CDT FRI APR 15 2011

ALC023-129-160051-
/O.CAN.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
WASHINGTON AL-CHOCTAW AL-
741 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL CHOCTAW AND NORTH CENTRAL
WASHINGTON COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3171 8789 3171 8794 3177 8804 3183 8803
      3185 8794
TIME...MOT...LOC 0041Z 250DEG 37KT 3181 8795

$$

ALC025-160045-
/O.CON.KMOB.TO.W.0064.000000T0000Z-110416T0045Z/
CLARKE AL-
741 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL CLARKE COUNTY...

AT 739 PM CDT.... THIS TORNADO WAS NEAR MCENTYRE...OR ABOUT 13 MILES
NORTHWEST OF GROVE HILL...MOVING EAST AT 45 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3171 8789 3171 8794 3177 8804 3183 8803
      3185 8794
TIME...MOT...LOC 0041Z 250DEG 37KT 3181 8795

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 14, 10:41 PM CDTSmall Craft AdvisoryMOB44 hr
Apr 15, 10:20 AM CDTTornado WarningMOBWashington40 min
Apr 15, 10:50 AM CDTTornado WarningMOBClarke, Washington40 min
Apr 15, 10:56 AM CDTTornado WarningMOBChoctaw49 min
Apr 15, 11:09 AM CDTTornado WarningMOBWashington51 min
Apr 15, 11:26 AM CDTTornado WarningMOBClarke, Monroe49 min
Apr 15, 11:41 AM CDTTornado WarningMOBChoctaw64 min
Apr 15, 11:52 AM CDTTornado WarningMOBChoctaw, Clarke, Washington38 min
Apr 15, 12:07 PM CDTTornado WarningMOBMonroe38 min
Apr 15, 12:20 PM CDTTornado WarningMOBChoctaw, Clarke, Washington40 min
Apr 15, 12:35 PM CDTTornado WarningMOBMonroe, Wilcox24 min
Apr 15, 12:44 PM CDTTornado WarningMOBWashington46 min
Apr 15, 12:51 PM CDTTornado WarningMOBClarke, Wilcox33 min
Apr 15, 1:09 PM CDTTornado WarningMOBWashington51 min
Apr 15, 1:22 PM CDTTornado WarningMOBClarke, Washington21 min
Apr 15, 1:46 PM CDTTornado WarningMOBClarke, Washington44 min
Apr 15, 2:06 PM CDTSevere Thunderstorm WarningMOBChoctaw27 min
Apr 15, 2:22 PM CDTTornado WarningMOBClarke, Monroe, Wilcox38 min
Apr 15, 2:55 PM CDTTornado WarningMOBMonroe, Wilcox50 min
Apr 15, 3:18 PM CDTTornado WarningMOBButler, Conecuh, Monroe, Wilcox57 min
Apr 15, 3:41 PM CDTTornado WarningMOBClarke, Washington32 min
Apr 15, 4:02 PM CDTTornado WarningMOBChoctaw58 min
Apr 15, 4:27 PM CDTTornado WarningMOBClarke, Monroe48 min
Apr 15, 4:57 PM CDTTornado WarningMOBChoctaw42 min
Apr 15, 5:09 PM CDTTornado WarningMOBButler, Conecuh, Monroe, Wilcox51 min
Apr 15, 5:44 PM CDTTornado WarningMOBMonroe, Wilcox31 min
Apr 15, 5:47 PM CDTTornado Warning EmergencyMOBChoctaw58 min
Apr 15, 5:54 PM CDTTornado WarningMOBWilcox51 min
Apr 15, 5:59 PM CDTTornado WarningMOBButler26 min
Apr 15, 6:23 PM CDTTornado WarningMOBWilcox32 min
Apr 15, 6:34 PM CDTTornado WarningMOBChoctaw41 min
Apr 15, 10:15 AM CDTTornado WarningMOBWayne45 min
Apr 15, 10:34 AM CDTTornado WarningMOBGreene, Perry41 min
Apr 15, 11:35 AM CDTTornado WarningMOBWayne40 min
Apr 15, 2:06 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene39 min
Apr 15, 5:59 PM CDTTornado WarningMOBWayne61 min
Apr 15, 6:38 PM CDTTornado WarningMOBGreene, Perry37 min
Apr 15, 6:49 PM CDTTornado WarningMOBGreene, Perry41 min

Nearby

Tornado Warnings in Alabama, 2011Tornado Warnings in Mississippi, 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.