Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 42, NWS Mobile, AL

April 15, 2011Monroe County, Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 12:35 PM CDT for Monroe County, Wilcox County, Alabama. It was in force for 24 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, 12:35 PM CDT (17:35 UTC)
Expired
Apr 15, 2011, 12:59 PM CDT
In force
24 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Monroe County, AL, Wilcox County, AL

What was reported inside it

TimeReportWhereRemark
Apr 15, 12:42 PM CDTFUNNEL CLOUD1 Nnw Beatrice, ALTRAINED SPOTTER REPORTS FUNNEL CLOUD 1 MILE NNW OF BEATRICE.

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.

IssuedProductOfficeLasted
Apr 15, 11:21 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.6 hours before the alert went out and 141 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, Birmingham, AL at 12:00Z on 2011-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2011-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.19395878Sfc1 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
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.

519 
WFUS54 KMOB 151735
TORMOB
ALC099-131-151830-
/O.NEW.KMOB.TO.W.0042.110415T1735Z-110415T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1235 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHEASTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 130 PM CDT

* AT 1233 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  13 MILES NORTH OF MONROEVILLE...OR NEAR FRANKLIN...MOVING NORTHEAST
  AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  VREDENBURGH AROUND 1240 PM CDT...
  CORDUROY STATION AND BEATRICE AROUND 1245 PM CDT...
  TURKESTAN AROUND 1250 PM CDT...
  WATSONVILLE AROUND 1255 PM CDT...
  OAK HILL AND PINE APPLE AROUND 105 PM CDT...
  SNOW HILL AROUND 115 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3198 8686 3197 8686 3196 8691 3192 8691
      3159 8730 3173 8746 3206 8717 3206 8716
      3206 8710
TIME...MOT...LOC 1735Z 232DEG 35KT 3172 8731

$$
2 follow-up statements
087 
WWUS54 KMOB 151747
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1247 PM CDT FRI APR 15 2011

ALC099-131-151830-
/O.CON.KMOB.TO.W.0042.000000T0000Z-110415T1830Z/
MONROE AL-WILCOX AL-
1247 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR
SOUTHEASTERN WILCOX AND NORTHEASTERN MONROE COUNTIES...

AT 1242 PM CDT...TRAINED STORM SPOTTERS CONTINUE TO REPORT A FUNNEL 
CLOUD.  THIS POSSIBLE TORNADO WAS NEAR CORDUROY STATION...OR ABOUT 
17 MILES SOUTH OF CAMDEN...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  MCWILLIAMS AND WATSONVILLE AROUND 1255 PM CDT...
  CALEDONIA AROUND 100 PM CDT...
  ALLENTON...OAK HILL...RUTHVEN AND PINE APPLE AROUND 105 PM CDT...
  HAMBURG AND MCBRYDES AROUND 110 PM CDT...
  FURMAN AROUND 115 PM CDT...

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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
LARGE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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

LAT...LON 3198 8686 3197 8686 3196 8691 3192 8691
      3169 8720 3179 8739 3206 8717 3206 8710
TIME...MOT...LOC 1746Z 232DEG 35KT 3179 8721

$$
293 
WWUS54 KMOB 151759
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1259 PM CDT FRI APR 15 2011

ALC099-131-151809-
/O.CAN.KMOB.TO.W.0042.000000T0000Z-110415T1830Z/
MONROE AL-WILCOX AL-
1259 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR SOUTHEASTERN WILCOX AND NORTHEASTERN
MONROE COUNTIES IS CANCELLED...

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

LAT...LON 3198 8686 3197 8686 3196 8691 3192 8691
      3169 8720 3179 8739 3206 8717 3206 8710
TIME...MOT...LOC 1759Z 232DEG 35KT 3187 8709

$$

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, 12:44 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, 6:44 PM CDTTornado WarningMOBChoctaw, Clarke, Washington61 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.