Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 60, NWS Mobile, AL

April 15, 2011Butler County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 5:59 PM CDT for Butler County, Alabama. It was in force for 26 min. 1 report 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, 5:59 PM CDT (22:59 UTC)
Expired: Apr 15, 2011, 6:25 PM CDT
In force: 26 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Butler County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 15, 6:00 PM CDT	TORNADO	Forest Home, AL	ROOF BLOWN OFF OF A TRAILER AND A TREE ON A HOUSE. BOTH RESIDENCES LOCATED ON BROAD STREET. ALSO REPORTS OF TREES BLOWN DOWN NEAR COUNTY ROAD 5 AND 7.

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, 11:21 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1553 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 365 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

887 
WFUS54 KMOB 152259 RRA
TORMOB
ALC013-152345-
/O.NEW.KMOB.TO.W.0060.110415T2259Z-110415T2345Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 645 PM CDT

* AT 557 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES WEST OF
  GREENVILLE...OR NEAR MONTERY...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  MANNINGHAM AROUND 605 PM CDT...
  FORT DALE AROUND 615 PM CDT...
  SEARCY AROUND 620 PM CDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 131 AND 140.

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 3178 8686 3187 8692 3188 8691 3189 8690
      3197 8676 3198 8645 3192 8645
TIME...MOT...LOC 2300Z 242DEG 34KT 3187 8681

$$

2 follow-up statements

020 
WWUS54 KMOB 152310
SVSMOB

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

ALC013-152345-
/O.CON.KMOB.TO.W.0060.000000T0000Z-110415T2345Z/
BUTLER AL-
610 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN BUTLER COUNTY...

AT 607 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR MANNINGHAM...OR ABOUT 9 MILES NORTHWEST OF 
GREENVILLE...MOVING NORTHEAST AT 40 MPH.  GOLF BALL SIZE HAIL IS 
ALSO LIKELY WITH THIS STORM.

THE TORNADO WILL BE NEAR...
  SEARCY AROUND 620 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 3185 8675 3193 8683 3197 8676 3198 8645
      3192 8645
TIME...MOT...LOC 2309Z 236DEG 34KT 3193 8673

$$

453 
WWUS54 KMOB 152325
SVSMOB

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

ALC013-152334-
/O.CAN.KMOB.TO.W.0060.000000T0000Z-110415T2345Z/
BUTLER AL-
625 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR NORTHEASTERN BUTLER COUNTY IS CANCELLED...

AT 624 PM CDT...THE STORM THAT PROMPTED THE WARNING HAS MOVED NORTH 
OUT OF BUTLER COUNTY...THUS THE TORNADO WARNING HAS BEEN CANCELLED.

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

LAT...LON 3185 8675 3193 8683 3197 8676 3198 8645
      3192 8645
TIME...MOT...LOC 2324Z 236DEG 34KT 3201 8659

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 10:41 PM CDT	Small Craft Advisory	MOB		44 hr
Apr 15, 10:20 AM CDT	Tornado Warning	MOB	Washington	40 min
Apr 15, 10:50 AM CDT	Tornado Warning	MOB	Clarke, Washington	40 min
Apr 15, 10:56 AM CDT	Tornado Warning	MOB	Choctaw	49 min
Apr 15, 11:09 AM CDT	Tornado Warning	MOB	Washington	51 min
Apr 15, 11:26 AM CDT	Tornado Warning	MOB	Clarke, Monroe	49 min
Apr 15, 11:41 AM CDT	Tornado Warning	MOB	Choctaw	64 min
Apr 15, 11:52 AM CDT	Tornado Warning	MOB	Choctaw, Clarke, Washington	38 min
Apr 15, 12:07 PM CDT	Tornado Warning	MOB	Monroe	38 min
Apr 15, 12:20 PM CDT	Tornado Warning	MOB	Choctaw, Clarke, Washington	40 min
Apr 15, 12:35 PM CDT	Tornado Warning	MOB	Monroe, Wilcox	24 min
Apr 15, 12:44 PM CDT	Tornado Warning	MOB	Washington	46 min
Apr 15, 12:51 PM CDT	Tornado Warning	MOB	Clarke, Wilcox	33 min
Apr 15, 1:09 PM CDT	Tornado Warning	MOB	Washington	51 min
Apr 15, 1:22 PM CDT	Tornado Warning	MOB	Clarke, Washington	21 min
Apr 15, 1:46 PM CDT	Tornado Warning	MOB	Clarke, Washington	44 min
Apr 15, 2:06 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	27 min
Apr 15, 2:22 PM CDT	Tornado Warning	MOB	Clarke, Monroe, Wilcox	38 min
Apr 15, 2:55 PM CDT	Tornado Warning	MOB	Monroe, Wilcox	50 min
Apr 15, 3:18 PM CDT	Tornado Warning	MOB	Butler, Conecuh, Monroe, Wilcox	57 min
Apr 15, 3:41 PM CDT	Tornado Warning	MOB	Clarke, Washington	32 min
Apr 15, 4:02 PM CDT	Tornado Warning	MOB	Choctaw	58 min
Apr 15, 4:27 PM CDT	Tornado Warning	MOB	Clarke, Monroe	48 min
Apr 15, 4:57 PM CDT	Tornado Warning	MOB	Choctaw	42 min
Apr 15, 5:09 PM CDT	Tornado Warning	MOB	Butler, Conecuh, Monroe, Wilcox	51 min
Apr 15, 5:44 PM CDT	Tornado Warning	MOB	Monroe, Wilcox	31 min
Apr 15, 5:47 PM CDT	Tornado Warning Emergency	MOB	Choctaw	58 min
Apr 15, 5:54 PM CDT	Tornado Warning	MOB	Wilcox	51 min
Apr 15, 6:23 PM CDT	Tornado Warning	MOB	Wilcox	32 min
Apr 15, 6:34 PM CDT	Tornado Warning	MOB	Choctaw	41 min
Apr 15, 6:44 PM CDT	Tornado Warning	MOB	Choctaw, Clarke, Washington	61 min

Nearby

Tornado Warnings in Alabama, 2011 Every tornado warning in 2011 Tornadoes 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.