Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 74, NWS Tallahassee, FL

September 16, 2004Bay County, Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Sep 16, 2004, 7:40 AM CDT for Bay County, Gulf County, Florida. It was in force for 35 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
Sep 16, 2004, 7:40 AM CDT (12:40 UTC)
Expired
Sep 16, 2004, 8:15 AM CDT
In force
35 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

Counties Bay County, FL, Gulf County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 16, 1:10 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.7 hours before the alert went out and 123 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 2004-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 878 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2004-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 428 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
878 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
428 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
2.8
Supercell composite
13.3

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTAE 161240
TORTLH
FLC005-045-161315-
/X.NEW.KTAE.TO.W.0053.040916T1240Z-040916T1315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
740 AM CDT THU SEP 16 2004

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BAY COUNTY IN THE PANHANDLE OF FLORIDA
  WESTERN GULF COUNTY IN THE PANHANDLE OF FLORIDA

* UNTIL 815 AM CDT

* AT 832 AM EDT(732 AM CDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A DEVELOPING TORNADO 8 MILES SOUTHWEST OF DAVIS BEACH...
  OR ABOUT 16 MILES WEST OF PORT ST. JOE...MOVING NORTH AT 65 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  COOK BY 745 AM CDT...
  WETAPPO BY 750 AM CDT...
  BAYOU GEORGE BY 755 AM CDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 2988 8558 2983 8549 3015 8529 3031 8556

$$

9-FOURNIER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 7:01 PM CDTTornado WarningTAEBay, Calhoun29 min
Sep 15, 7:14 PM CDTTornado WarningTAECalhoun, Gulf, Liberty46 min
Sep 15, 7:29 PM CDTTornado WarningTAEBay, Washington31 min
Sep 15, 7:56 PM CDTTornado WarningTAEHolmes34 min
Sep 15, 7:56 PM CDTTornado WarningTAEJackson49 min
Sep 15, 8:24 PM CDTTornado WarningTAELiberty51 min
Sep 15, 9:08 PM CDTTornado WarningTAECalhoun, Jackson, Liberty52 min
Sep 15, 9:27 PM CDTTornado WarningTAEFranklin, Liberty48 min
Sep 15, 10:19 PM CDTTornado WarningTAECalhoun, Jackson, Liberty41 min
Sep 16, 1:01 AM CDTTornado WarningTAEFranklin, Wakulla29 min
Sep 16, 1:44 AM CDTTornado WarningTAEGadsden, Leon46 min
Sep 16, 4:26 AM CDTTornado WarningTAEJefferson, Leon34 min
Sep 16, 5:30 AM CDTTornado WarningTAEMadison, Taylor45 min
Sep 16, 6:27 AM CDTTornado WarningTAEBay48 min
Sep 16, 6:28 AM CDTTornado WarningTAEBay, Gulf47 min
Sep 16, 7:00 AM CDTTornado WarningTAEBay, Calhoun, Jackson, Washington45 min
Sep 16, 8:59 AM CDTTornado WarningTAELafayette, Taylor31 min

Nearby

Tornado Warnings in Florida, 2004Every tornado warning in 2004Tornadoes in 2004

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.