Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 41, NWS Tampa Bay, FL

September 6, 20044 counties in Florida

NWS Tampa Bay, FL issued this tornado warning at Sep 6, 2004, 8:32 AM EDT for 4 counties in Florida. It was in force for 28 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 6, 2004, 8:32 AM EDT (12:32 UTC)
Expired
Sep 6, 2004, 9:00 AM EDT
In force
28 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

Counties Hardee County, FL, Hillsborough County, FL, Manatee County, FL, Polk County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 6, 7:55 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 0.5 hours before the alert went out and 32 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, Tampa Bay, FL at 12:00Z on 2004-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 457 joules per kilogram.LCLEL10008507005003002001001 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, Tampa Bay, FL at 12:00Z on 2004-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.193958Sfc1 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
457 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
31 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.

390 
WFUS52 KTBW 061232
TORTBW
FLC049-057-081-105-061300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
830 AM EDT MON SEP 6 2004

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HARDEE COUNTY IN FLORIDA.
  SOUTHWESTERN POLK COUNTY IN FLORIDA.
  SOUTHEASTERN HILLSBOROUGH COUNTY IN FLORIDA.
  EASTERN MANATEE COUNTY IN FLORIDA.

* UNTIL 900 AM EDT

* AT 830 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   BAND OF THUNDERSTORMS WITH SEVERAL TORNADOS OVER EASTERN MANATEE 
AND SOUTHEAST HILLSBOROUGH COUNTIES...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL AFFECT...
  DUETTE.
  MYAKKA HEAD.
  FORT LONESOME.
  FORT GREEN.
  BRADLEY JUNCTION.

THESE ARE DANGEROUS STORMS. MOVE INTO THE INTERIOR ROOM ON THE 
LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR 
HEAD AND BODY WITH PILLOWS OR BLANKETS.

IF CAUGHT OUTSIDE...MOVE INTO A STURDY BUILDING. AS A LAST RESORT...
SEEK SHELTER IN A CULVERT...DITCH...OR LOW SPOT...AND COVER YOUR HEAD
WITH YOUR HANDS.


&&

LAT...LON 2734 8225 2734 8211 2788 8177 2789 8221

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 6:26 AM EDTTornado WarningTBWHardee, Highlands34 min
Sep 6, 6:46 AM EDTTornado WarningTBWDeSoto29 min
Sep 6, 7:01 AM EDTTornado WarningTBWCharlotte, DeSoto, Hardee, Highlands, Lee, Polk59 min
Sep 6, 7:59 AM EDTTornado WarningTBWDeSoto, Highlands, Polk61 min
Sep 6, 9:04 AM EDTTornado WarningTBWHardee, Manatee, Polk26 min
Sep 6, 9:24 AM EDTSpecial Marine WarningTBW36 min
Sep 6, 9:29 AM EDTTornado WarningTBWPolk31 min
Sep 6, 10:36 AM EDTTornado WarningTBWHillsborough, Polk24 min
Sep 6, 11:46 AM EDTSpecial Marine WarningTBW119 min
Sep 6, 1:45 PM EDTTornado WarningTBWPolk30 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.