Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 26, NWS Mobile, AL

March 31, 2009Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Mar 31, 2009, 3:02 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 31 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 31, 2009, 3:02 PM CDT (20:02 UTC)
Expired
Mar 31, 2009, 3:33 PM CDT
In force
31 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), 83 km from the middle of the area, began a volume at 20:02 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 31, 1:05 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.0 hours before the alert went out and 235 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 12:00Z on 2009-03-31Temperature 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 12:00Z on 2009-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 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
2169 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
172 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 312002
TORMOB
FLC091-113-312045-
/O.NEW.KMOB.TO.W.0026.090331T2002Z-090331T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
302 PM CDT TUE MAR 31 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  NORTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 345 PM CDT

* AT 256 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  BLACKMAN...OR ABOUT 17 MILES SOUTHEAST OF BREWTON...MOVING EAST AT
  35 MPH.

* THE  TORNADO WILL BE NEAR...
  BLACKMAN AND ESCAMBIA FARMS BY 325 PM CDT...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.

LAT...LON 3099 8656 3085 8645 3086 8690 3094 8693
TIME...MOT...LOC 2002Z 261DEG 29KT 3091 8685

$$
1 follow-up statement
000 
WWUS54 KMOB 312033
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
333 PM CDT TUE MAR 31 2009

FLC091-113-312044-
/O.CAN.KMOB.TO.W.0026.000000T0000Z-090331T2045Z/
OKALOOSA FL-SANTA ROSA FL-
334 PM CDT TUE MAR 31 2009

...THE TORNADO WARNING FOR NORTHEASTERN SANTA ROSA AND NORTHWESTERN 
OKALOOSA COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.

LAT...LON 3099 8656 3085 8645 3086 8690 3094 8693
TIME...MOT...LOC 2034Z 261DEG 29KT 3095 8655

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 1:25 PM CDTTornado WarningMOBEscambia65 min
Mar 31, 2:03 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa42 min
Mar 31, 2:13 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa47 min
Mar 31, 2:45 PM CDTSevere Thunderstorm WarningMOBSanta Rosa37 min
Mar 31, 2:56 PM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa6 hr
Mar 31, 3:15 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa45 min
Mar 31, 3:31 PM CDTTornado WarningMOBOkaloosa13 min
Mar 31, 5:39 PM CDTTornado WarningMOBEscambia20 min

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.