Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 52, NWS Tallahassee, FL

March 31, 2009Calhoun County, Jackson County, Liberty County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 31, 2009, 5:28 PM CDT for Calhoun County, Jackson County, Liberty County, Florida. It was in force for 47 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, 5:28 PM CDT (22:28 UTC)
Expired
Mar 31, 2009, 6:15 PM CDT
In force
47 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Calhoun County, FL, Jackson County, FL, Liberty County, FL

The radar

The Eglin Afb radar (KEVX), 78 km from the middle of the area, began a volume at 22:27 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, 10.5 hours before the alert went out and 81 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 
WFUS52 KTAE 312228
TORTAE
FLC013-063-077-312315-
/O.NEW.KTAE.TO.W.0052.090331T2228Z-090331T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
528 PM CDT TUE MAR 31 2009

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTH CENTRAL LIBERTY COUNTY IN FLORIDA...
  NORTHERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA...
  SOUTHEASTERN JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 615 PM CDT/715 PM EDT/

* AT 524 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 7 MILES NORTHWEST OF WILLIS...OR 13 MILES SOUTH
  OF MARIANNA...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  WILLIS AND CHASON BY 535 PM CDT...
  SINK CREEK AND ROCK CREEK BY 540 PM CDT...
  COX...ALLIANCE AND ALTHA BY 545 PM CDT...
  HENDERSON MILL BY 550 PM CDT...
  MACEDONIA BY 555 PM CDT...
  OCHEESEE BY 600 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
TUESDAY EVENING/900 PM EDT TUESDAY EVENING/ FOR SOUTHEAST ALABAMA AND
CENTRAL FLORIDA AND SOUTHWESTERN GEORGIA.

LAT...LON 3071 8494 3050 8496 3053 8534 3065 8536
TIME...MOT...LOC 2228Z 268DEG 30KT 3059 8526

$$

85-GIBBS

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 7:33 PM CDTRiver Flood WarningTAEGadsden, Leon6 days
Mar 31, 7:00 AM CDTRiver Flood WarningTAEWalton6 days
Mar 31, 10:55 AM CDTRiver Flood AdvisoryTAEHolmes, Washington36 hr
Mar 31, 3:26 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton64 min
Mar 31, 3:34 PM CDTTornado WarningTAEWalton41 min
Mar 31, 4:03 PM CDTAreal Flood AdvisoryTAEHolmes, Jackson, Walton, Washington117 min
Mar 31, 4:07 PM CDTTornado WarningTAEJackson38 min
Mar 31, 4:12 PM CDTSevere Thunderstorm WarningTAEBay, Holmes, Walton, Washington48 min
Mar 31, 4:50 PM CDTTornado WarningTAEJackson25 min
Mar 31, 5:04 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Washington41 min
Mar 31, 5:54 PM CDTFlash Flood WarningTAEGadsden, Leon, Liberty51 min
Mar 31, 6:34 PM CDTFlash Flood WarningTAEJefferson, Leon41 min
Mar 31, 6:34 PM CDTTornado WarningTAEMadison, Taylor41 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.