Alert archive / Alabama / Tornado Warnings in 2006

Tornado Warning 14, NWS Mobile, AL

March 20, 2006Clarke County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 20, 2006, 4:56 PM CST for Clarke County, Alabama. It was in force for 49 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 20, 2006, 4:56 PM CST (22:56 UTC)
Expired
Mar 20, 2006, 5:45 PM CST
In force
49 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Clarke County, AL

The radar

The Mobile radar (KMOB), 135 km from the middle of the area, began a volume at 22:59 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
Mar 20, 3:09 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.9 hours before the alert went out and 180 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 2006-03-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2006-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
405 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 202256
TORMOB
ALC025-202345-
/O.NEW.KMOB.TO.W.0014.060320T2256Z-060320T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
456 PM CST MON MAR 20 2006

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...

  CLARKE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 545 PM CST

* AT 454 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER WEST
  BEND...AND MOVING EAST AT 65 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE NEAR...
  OPINE BY 505 PM CST
  CHILTON AND TALLAHATTA SPRINGS BY 510 PM CST
  RURAL AND ROUNDHILL BY 515 PM CST
  NETTLEBORO BY 520 PM CST

IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...ABANDON VEHICLES AND
MOBILE HOMES AND SEEK A REINFORCED SHELTER. MOVE TO THE LOWEST FLOOR
INTERIOR HALLWAY OR CLOSET. COVER YOUR BODY WITH BLANKETS OR PILLOWS.

IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3193 8808 3183 8816 3170 8808 3174 8752
      3189 8766 3200 8768

$$
1 follow-up statement
000 
WWUS54 KMOB 202318
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
517 PM CST MON MAR 20 2006

ALC025-202345-
/O.CON.KMOB.TO.W.0014.000000T0000Z-060320T2345Z/
CLARKE AL-
517 PM CST MON MAR 20 2006

...A TORNADO WARNING CONTINUES UNTIL 545 PM CST FOR NORTHERN CLARKE
COUNTY...

AT 516 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR TALLAHATTA
SPRINGS...OR ABOUT 12 MILES NORTH OF GROVE HILL...MOVING EAST AT 55 
MPH TOWARD THE THOMASVILLE AREA.

THE TORNADO WILL BE NEAR...
  9 MILES NORTH OF DICKINSON BY 520 PM CST
  7 MILES SOUTH OF SHAWNEE AND 9 MILES NORTH OF SCYRENE BY 525 PM CST
  6 MILES NORTH OF NETTLEBORO BY 530 PM CST

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3193 8808 3183 8816 3170 8808 3174 8752
      3189 8766 3200 8768

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 1:39 PM CSTSevere Thunderstorm WarningMOBChoctaw31 min
Mar 20, 4:33 PM CSTTornado WarningMOBChoctaw, Washington42 min
Mar 20, 5:11 PM CSTTornado WarningMOBClarke, Washington34 min
Mar 20, 5:25 PM CSTTornado WarningMOBWilcox26 min

Nearby

Tornado Warnings in Alabama, 2006Every tornado warning in 2006Tornadoes in 2006

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.