Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 17, NWS Melbourne, FL

August 13, 2004Orange County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 13, 2004, 5:00 PM EDT for Orange County, Osceola County, Florida. It was in force for 60 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
Aug 13, 2004, 5:00 PM EDT (21:00 UTC)
Expired
Aug 13, 2004, 6:00 PM EDT
In force
60 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

Counties Orange County, FL, Osceola County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 13, 7:30 AM EDTTornado WatchSPC10 hr
Aug 13, 1:45 PM EDTTornado WatchSPC12 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.0 hours before the alert went out and 114 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 2004-08-13Temperature 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, Tampa Bay, FL at 12:00Z on 2004-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -160 square meters per square second.1939Sfc1 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
1607 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-160 m²/s²
0-3 km storm-relative helicity
-117 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 KMLB 132100
TORMLB
FLC095-097-132200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
458 PM EDT FRI AUG 13 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  ORANGE COUNTY
  OSCEOLA COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 600 PM EDT

* AT 5 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 11 MILES SOUTHWEST OF HOLOPAW...OR ABOUT 10 MILES 
  NORTH LAKE KISSIMMEE...MOVING NORTH AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE...
  NEAR HARMONY AT 505 PM EDT
  6 MILES EAST OF SAINT CLOUD AT 510 PM EDT
  NEAR NARCOOSSEE...6 MILES EAST OF EAST LAKE TOHO AT 515 PM EDT
  NEAR LAKE MARY JANE AT 525 PM EDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR IN AN INTERIOR ROOM AWAY FROM WINDOWS. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS
TO COVER YOUR HEAD AND BODY.

EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. IF NO
SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST UNFLOODED DITCH...
CULVERT...OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
NEVER TRY TO OUTRUN A NEARBY TORNADO IN YOUR CAR.

LAT...LON 2816 8164 2776 8102 2839 8090 2836 8162

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 11:59 AM EDTTornado WarningMLBOkeechobee61 min
Aug 13, 1:01 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Osceola59 min
Aug 13, 1:23 PM EDTTornado WarningMLBOkeechobee, Osceola62 min
Aug 13, 1:35 PM EDTTornado WarningMLBLake55 min
Aug 13, 2:06 PM EDTTornado WarningMLBOrange44 min
Aug 13, 2:31 PM EDTTornado WarningMLBLake59 min
Aug 13, 2:38 PM EDTTornado WarningMLBOsceola37 min
Aug 13, 3:54 PM EDTTornado WarningMLBBrevard, Volusia66 min
Aug 13, 4:51 PM EDTSpecial Marine WarningMLB54 min
Aug 13, 6:50 PM EDTTornado WarningMLBLake, Orange, Osceola55 min
Aug 13, 7:09 PM EDTTornado WarningMLBVolusia36 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.