Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 20, NWS Mobile, AL

April 21, 2006Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Apr 21, 2006, 11:05 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 40 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
Apr 21, 2006, 11:05 PM CDT (04:05 UTC)
Expired
Apr 21, 2006, 11:45 PM CDT
In force
40 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Okaloosa County, FL, Santa Rosa County, FL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 21, 10:48 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.1 hours before the alert went out and 251 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, Tallahassee Rgnl, FL at 00:00Z on 2006-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1232 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, Tallahassee Rgnl, FL at 00:00Z on 2006-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
1232 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 220405
TORMOB
FLC091-113-220445-
/O.NEW.KMOB.TO.W.0020.060422T0405Z-060422T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1105 PM CDT FRI APR 21 2006

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...

  OKALOOSA COUNTY IN NORTHWEST FLORIDA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 1145 PM CDT

* AT 1103 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
  SOUTHWEST OF MUNSON...AND MOVING NORTHEAST AT 10 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE NEAR...
  MUNSON BY 1115 PM CDT
  CANNON TOWN BY 1145 PM CDT

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.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3085 8704 3069 8695 3080 8662 3100 8674

$$
2 follow-up statements
000 
WWUS54 KMOB 220436
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1136 PM CDT FRI APR 21 2006

FLC113-220446-
/O.CAN.KMOB.TO.W.0020.000000T0000Z-060422T0445Z/
SANTA ROSA FL-
1136 PM CDT FRI APR 21 2006

...THE TORNADO WARNING FOR SANTA ROSA COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3099 8678 3075 8678 3080 8662 3100 8674

$$

FLC091-220445-
/O.CON.KMOB.TO.W.0020.000000T0000Z-060422T0445Z/
OKALOOSA FL-
1136 PM CDT FRI APR 21 2006

...A TORNADO WARNING CONTINUES UNTIL 1145 PM CDT FOR NORTHWESTERN
OKALOOSA COUNTY...

AT 1132 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CANNON TOWN...OR
ABOUT 12 MILES NORTHWEST OF CRESTVIEW...MOVING EAST AT 25 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3099 8678 3075 8678 3080 8662 3100 8674

$$
000 
WWUS54 KMOB 220449
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1150 PM CDT FRI APR 21 2006

FLC091-220500-
/O.EXP.KMOB.TO.W.0020.000000T0000Z-060422T0445Z/
OKALOOSA FL-
1150 PM CDT FRI APR 21 2006

...THE TORNADO WARNING FOR NORTHWESTERN OKALOOSA COUNTY EXPIRED AT
1145 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3099 8678 3075 8678 3080 8662 3100 8674

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 10:06 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa39 min
Apr 21, 10:16 PM CDTTornado WarningMOBOkaloosa29 min
Apr 22, 12:01 AM CDTTornado WarningMOBOkaloosa14 min
Apr 22, 4:45 AM CDTSpecial Marine WarningMOB60 min
Apr 22, 2:19 PM CDTFire Weather WatchMOB15 hr

Nearby

Tornado Warnings in Florida, 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.