Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 23, NWS Mobile, AL

February 12, 2008Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Feb 12, 2008, 6:33 PM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 42 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
Feb 12, 2008, 6:33 PM CST (00:33 UTC)
Expired
Feb 12, 2008, 7:15 PM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 68 km from the middle of the area, began a volume at 00:36 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
Feb 12, 12:34 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.6 hours before the alert went out and 224 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 2008-02-13Temperature 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, Tallahassee Rgnl, FL at 00:00Z on 2008-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
1391 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
182 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 130033
TORMOB
FLC091-113-130115-
/O.NEW.KMOB.TO.W.0023.080213T0033Z-080213T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
633 PM CST TUE FEB 12 2008

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITIES OF...FORT WALTON BEACH...CRESTVIEW...
  SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF NAVARRE...

* UNTIL 715 PM CST

* AT 632 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A
  LINE EXTENDING FROM 6 MILES NORTHWEST OF GALLIVER TO NAVARRE...OR
  ALONG A LINE EXTENDING FROM 14 MILES WEST OF CRESTVIEW TO
  NAVARRE...MOVING EAST AT 40 MPH.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  GALLIVER BY 640 PM CST...
  BAKER AND HOLT BY 645 PM CST...
  MILLIGAN BY 650 PM CST...
  WRIGHT AND CRESTVIEW BY 655 PM CST...
  CRESTVIEW AIRPORT...OCEAN CITY AND FORT WALTON BEACH BY 700 PM
  CST...
  VALPARAISO BY 705 PM CST...

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

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...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3078 8686 3085 8645 3045 8650 3043 8649
      3044 8650 3044 8653 3042 8656 3041 8695
TIME...MOT...LOC 0033Z 268DEG 32KT 3076 8679 3043 8687

$$
2 follow-up statements
000 
WWUS54 KMOB 130056
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
656 PM CST TUE FEB 12 2008

FLC113-130106-
/O.CAN.KMOB.TO.W.0023.000000T0000Z-080213T0115Z/
SANTA ROSA FL-
656 PM CST TUE FEB 12 2008

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING 
FOR PORTIONS OF SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3085 8645 3074 8646 3073 8648 3072 8647
      3045 8650 3042 8656 3043 8672 3078 8670
TIME...MOT...LOC 0056Z 268DEG 32KT 3076 8662 3047 8665

$$

FLC091-130115-
/O.CON.KMOB.TO.W.0023.000000T0000Z-080213T0115Z/
OKALOOSA FL-
656 PM CST TUE FEB 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR CENTRAL
OKALOOSA COUNTY...

AT 654 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF TORNADO PRODUCING STORMS.  THESE TORNADO PRODUCING
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MILLIGAN TO WRIGHT...
OR ALONG A LINE EXTENDING FROM CRESTVIEW TO 6 MILES NORTHWEST OF FORT
WALTON BEACH...MOVING EAST AT 35 MPH.

TORNADO PRODUCING STORMS WILL BE NEAR...
  CRESTVIEW AIRPORT...AUBURN AND EGLIN AFB BY 705 PM CST...
  VALPARAISO BY 710 PM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING 
FOR PORTIONS OF SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3085 8645 3074 8646 3073 8648 3072 8647
      3045 8650 3042 8656 3043 8672 3078 8670
TIME...MOT...LOC 0056Z 268DEG 32KT 3076 8662 3047 8665

$$
000 
WWUS54 KMOB 130114
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
711 PM CST TUE FEB 12 2008

FLC091-130121-
/O.EXP.KMOB.TO.W.0023.000000T0000Z-080213T0115Z/
OKALOOSA FL-
711 PM CST TUE FEB 12 2008

...THE TORNADO WARNING FOR CENTRAL OKALOOSA COUNTY WILL EXPIRE AT 
715 PM CST...

THE LINE OF SEVERE THUNDERSTORMS MOVING EAST ACROSS OKALOOSA COUNTY 
CONTINUE TO PRODUCE STRONG STRAIGHT LINE WINDS TO AROUND 50 MPH.  
THE ROTATION OF STORMS ALONG THE LINE HAVE WEAKENED OVER THE PAST 
FEW MINUTES...AND THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE FOR 
OKALOOSA COUNTY.  

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3085 8645 3074 8646 3073 8648 3072 8647
      3045 8650 3042 8656 3043 8672 3078 8670
TIME...MOT...LOC 0111Z 268DEG 32KT 3076 8645 3048 8647

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 6:07 PM CSTTornado WarningMOBSanta Rosa23 min
Feb 12, 6:22 PM CSTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa53 min
Feb 13, 6:49 AM CSTFire Weather WatchMOBWalton23 hr
Feb 13, 6:49 AM CSTRed Flag WarningMOBWalton5 hr

Nearby

Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008

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.