Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 50, NWS Mobile, AL

April 15, 20114 counties in Alabama

NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 3:18 PM CDT for 4 counties in Alabama. It was in force for 57 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, 3:18 PM CDT (20:18 UTC)
Expired: Apr 15, 2011, 4:15 PM CDT
In force: 57 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Butler County, AL, Conecuh County, AL, Monroe County, AL, Wilcox County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 15, 3:45 PM CDT	HAIL 0.88	Forest Home, AL	NICKEL SIZE HAIL REPORTED BY EMA.

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, 8.3 hours before the alert went out and 140 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.

574 
WFUS54 KMOB 152018
TORMOB
ALC013-035-099-131-152115-
/O.NEW.KMOB.TO.W.0050.110415T2018Z-110415T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
318 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...
  THIS INCLUDES THE CITY OF GREENVILLE...
  EXTREME NORTH CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHEASTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 415 PM CDT

* AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18 MILES
  NORTHEAST OF MONROEVILLE...OR NEAR TURKESTAN...MOVING EAST AT 50
  MPH.

* THE TORNADO WILL BE NEAR...
  PINE APPLE AROUND 325 PM CDT...
  MONTEREY AND MONTERY AROUND 335 PM CDT...
  I65 AND AL 185 AND I65 AND AL 10 AROUND 345 PM CDT...
  GREENVILLE AROUND 350 PM CDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 126 AND 140. 

EMERGENCY MANAGEMENT HAS REPORTED A FUNNEL CLOUD BEING REPORTED WITH 
THIS STORM ALONG WITH PENNY SIZE HAIL.  THIS IS A DANGEROUS STORM 
THAT HAS HAD A HISTORY OF PRODUCING TORNADOES.  TAKE COVER 
IMMEDIATELY.

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 3203 8685 3197 8685 3198 8653 3196 8647
      3185 8648 3164 8716 3181 8725 3206 8702
TIME...MOT...LOC 2016Z 248DEG 43KT 3178 8708

$$

3 follow-up statements

632 
WWUS54 KMOB 152048
SVSMOB

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

ALC013-035-099-131-152115-
/O.CON.KMOB.TO.W.0050.000000T0000Z-110415T2115Z/
CONECUH AL-MONROE AL-BUTLER AL-WILCOX AL-
348 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN WILCOX...NORTHERN BUTLER...NORTHEASTERN MONROE AND
EXTREME NORTH CENTRAL CONECUH COUNTIES...

AT 343 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR HERBERT...OR ABOUT 10 MILES WEST OF GREENVILLE...
MOVING EAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  SEARCY...FORT DALE...I65 AND AL 185 AND GREENVILLE AROUND 355 PM
  CDT...
  SPRING HILL AROUND 400 PM CDT...
  DAISY AROUND 405 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 3203 8685 3197 8685 3198 8653 3196 8647
      3185 8648 3164 8716 3181 8725 3206 8702
TIME...MOT...LOC 2048Z 248DEG 43KT 3189 8673

$$

300 
WWUS54 KMOB 152104
SVSMOB

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

ALC035-099-152114-
/O.CAN.KMOB.TO.W.0050.000000T0000Z-110415T2115Z/
CONECUH AL-MONROE AL-
404 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR NORTHEASTERN MONROE AND EXTREME NORTH
CENTRAL CONECUH COUNTIES IS CANCELLED...

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

LAT...LON 3180 8667 3197 8707 3206 8702 3203 8685
      3197 8685 3198 8653 3196 8647 3185 8648
TIME...MOT...LOC 2104Z 248DEG 43KT 3193 8655

$$

ALC013-131-152115-
/O.CON.KMOB.TO.W.0050.000000T0000Z-110415T2115Z/
BUTLER AL-WILCOX AL-
404 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR EAST
CENTRAL WILCOX AND NORTHERN BUTLER COUNTIES...

AT 401 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR SEARCY...OR ABOUT NEAR FORT DEPOSIT...MOVING EAST AT
50 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 3180 8667 3197 8707 3206 8702 3203 8685
      3197 8685 3198 8653 3196 8647 3185 8648
TIME...MOT...LOC 2104Z 248DEG 43KT 3193 8655

$$

019 
WWUS54 KMOB 152112
SVSMOB

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

ALC013-131-152122-
/O.EXP.KMOB.TO.W.0050.000000T0000Z-110415T2115Z/
BUTLER AL-WILCOX AL-
412 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR EAST CENTRAL WILCOX AND NORTHERN BUTLER
COUNTIES WILL EXPIRE AT 415 PM CDT...

AS THE STORM THAT PROMPTED THE WARNING CONTINUES TO DECREASE IN 
INTENSITY AND EXIT THE AREA...THE WARNING WILL BE ALLOWED TO EXPIRE. 

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

LAT...LON 3180 8667 3197 8707 3206 8702 3203 8685
      3197 8685 3198 8653 3196 8647 3185 8648
TIME...MOT...LOC 2112Z 248DEG 43KT 3196 8644

$$

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, 3:41 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, 5:59 PM CDT	Tornado Warning	MOB	Butler	26 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.