Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 16, NWS Mobile, AL

March 27, 2009Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Mar 27, 2009, 5:39 AM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 51 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 27, 2009, 5:39 AM CDT (10:39 UTC)
Expired
Mar 27, 2009, 6:30 AM CDT
In force
51 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), 91 km from the middle of the area, began a volume at 10:41 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 27, 12:48 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.7 hours before the alert went out and 246 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 2009-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 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 2009-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.19395878Sfc1 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
132 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 271039
TORMOB
FLC091-113-271130-
/O.NEW.KMOB.TO.W.0016.090327T1039Z-090327T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
539 AM CDT FRI MAR 27 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 630 AM CDT

* AT 537 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER SANTA ROSA
  COUNTY...OR ABOUT 9 MILES NORTHWEST OF NAVARRE...MOVING NORTHEAST
  AT 35 MPH.

* THE  TORNADO WILL BE NEAR...
  RURAL SOUTHEASTERN SANTA ROSA COUNTY AT 550 AM CDT
  RURAL WESTERN OKALOOSA COUNTY AT 600 AM CDT
  RURAL CENTRAL OKALOOSA COUNTY AT 620 AM CDT

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.

DO NOT USE YOUR VEHICLE TO TRY TO OUTRUN AN APPROACHING TORNADO. ANY
SIZE OF VEHICLE CAN BE EASILY BE TOSSED AROUND BY TORNADIC WINDS. IF
YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE VEHICLE AND SEEK
SHELTER IN A STRONG BUILDING. IF NO SAFE STRUCTURE IS AVAILABLE...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER.
OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3045 8696 3046 8693 3047 8696 3051 8702
      3073 8663 3056 8653 3044 8695
TIME...MOT...LOC 1039Z 242DEG 31KT 3049 8697

$$
1 follow-up statement
000 
WWUS54 KMOB 271100
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
600 AM CDT FRI MAR 27 2009

FLC113-271110-
/O.CAN.KMOB.TO.W.0016.000000T0000Z-090327T1130Z/
SANTA ROSA FL-
600 AM CDT FRI MAR 27 2009

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3056 8679 3068 8662 3056 8653 3051 8677
      3052 8677
TIME...MOT...LOC 1100Z 242DEG 31KT 3056 8674

$$

FLC091-271130-
/O.CON.KMOB.TO.W.0016.000000T0000Z-090327T1130Z/
OKALOOSA FL-
600 AM CDT FRI MAR 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR CENTRAL
OKALOOSA COUNTY...

AT 555 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS OVER EXTREME SOUTHWESTERN OKALOOSA COUNTY...OR ABOUT 10
MILES NORTHEAST OF NAVARRE...MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  RURAL CENTRAL OKALOOSA COUNTY AT 610 AM CDT

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.

DO NOT USE YOUR VEHICLE TO TRY TO OUTRUN AN APPROACHING TORNADO. ANY
SIZE OF VEHICLE CAN BE EASILY BE TOSSED AROUND BY TORNADIC WINDS. IF
YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE VEHICLE AND SEEK
SHELTER IN A STRONG BUILDING. IF NO SAFE STRUCTURE IS AVAILABLE...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER.
OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3056 8679 3068 8662 3056 8653 3051 8677
      3052 8677
TIME...MOT...LOC 1100Z 242DEG 31KT 3056 8674

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 3:28 AM CDTSevere Thunderstorm WarningMOBEscambia47 min
Mar 27, 4:10 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa65 min
Mar 27, 4:24 AM CDTTornado WarningMOBEscambia36 min
Mar 27, 4:53 AM CDTTornado WarningMOBSanta Rosa27 min
Mar 27, 5:17 AM CDTTornado WarningMOBOkaloosa, Santa Rosa33 min
Mar 27, 5:56 AM CDTTornado WarningMOBOkaloosa49 min
Mar 27, 6:16 AM CDTTornado WarningMOBOkaloosa14 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.