Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 24, NWS Mobile, AL

March 23, 2012Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 23, 2012, 4:08 AM CDT for Conecuh County, Monroe County, Alabama. It was in force for 37 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
Mar 23, 2012, 4:08 AM CDT (09:08 UTC)
Expired
Mar 23, 2012, 4:45 AM CDT
In force
37 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Conecuh County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 143 km from the middle of the area, began a volume at 09:09 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.1 hours before the alert went out and 183 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 00:00Z on 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.193958Sfc1 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
102 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

001 
WFUS54 KMOB 230908
TORMOB
ALC035-099-230945-
/O.NEW.KMOB.TO.W.0024.120323T0908Z-120323T0945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
408 AM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 445 AM CDT

* AT 405 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  SOUTHEAST OF MONROEVILLE...OR 5 MILES NORTH OF REPTON...MOVING
  NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LYEFFION...

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 MANUFACTURED 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.

&&

LAT...LON 3168 8710 3157 8694 3140 8724 3147 8732
TIME...MOT...LOC 0907Z 228DEG 22KT 3145 8724

$$
2 follow-up statements
899 
WWUS54 KMOB 230918
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
418 AM CDT FRI MAR 23 2012

ALC035-099-230945-
/O.CON.KMOB.TO.W.0024.000000T0000Z-120323T0945Z/
CONECUH AL-MONROE AL-
418 AM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR EAST
CENTRAL MONROE AND NORTH CENTRAL CONECUH COUNTIES...

AT 414 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BERMUDA...OR 9
MILES EAST OF MONROEVILLE...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NICHBURG...BRANTLEY CROSSING...BURNT CORN...STOKES...RAMAH...
FAIRNELSON...FOWLER...BOOKERS MILL...LYEFFION...COOKS CROSSROADS AND 
BOWLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3168 8710 3157 8694 3144 8720 3150 8726
TIME...MOT...LOC 0918Z 228DEG 22KT 3150 8717

$$
306 
WWUS54 KMOB 230931
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
431 AM CDT FRI MAR 23 2012

ALC099-230941-
/O.CAN.KMOB.TO.W.0024.000000T0000Z-120323T0945Z/
MONROE AL-
431 AM CDT FRI MAR 23 2012

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

LAT...LON 3165 8705 3157 8694 3150 8712 3154 8716
      3165 8710 3167 8708
TIME...MOT...LOC 0931Z 231DEG 21KT 3156 8710

$$

ALC035-230945-
/O.CON.KMOB.TO.W.0024.000000T0000Z-120323T0945Z/
CONECUH AL-
431 AM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR NORTH
CENTRAL CONECUH COUNTY...

AT 428 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FAIRNELSON...OR 13
MILES EAST OF MONROEVILLE...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
FOWLER...LYEFFION...COOKS CROSSROADS AND BOWLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3165 8705 3157 8694 3150 8712 3154 8716
      3165 8710 3167 8708
TIME...MOT...LOC 0931Z 231DEG 21KT 3156 8710

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 3:56 AM CDTSevere Thunderstorm WarningMOBConecuh, Monroe49 min
Mar 23, 4:37 AM CDTTornado WarningMOBButler, Conecuh16 min
Mar 23, 6:54 AM CDTAreal Flood AdvisoryMOBMobile111 min
Mar 23, 8:47 AM CDTSevere Thunderstorm WarningMOBCovington43 min
Mar 23, 10:01 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington6 days
Mar 23, 10:01 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington6 days
Mar 23, 10:04 AM CDTSpecial Marine WarningMOB86 min
Mar 23, 10:57 AM CDTSpecial Marine WarningMOB48 min
Mar 23, 1:35 PM CDTSpecial Marine WarningMOB55 min

Nearby

Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012

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.