Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 31, NWS Melbourne, FL

September 6, 2004Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 6, 2004, 10:45 AM EDT for 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
Sep 6, 2004, 10:45 AM EDT (14:45 UTC)
Expired
Sep 6, 2004, 11:45 AM EDT
In force
60 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 42 km from the middle of the area, began a volume at 14:45 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
Sep 6, 7:55 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 2.8 hours before the alert went out and 136 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.

601 
WFUS52 KMLB 061445
TORMLB
FLC097-061545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1043 AM EDT MON SEP 6 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 1145 AM EDT

* AT 1040 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SEVERAL CELLS DEVELOPING TORNADOES 7 MILES SOUTH OF HOLOPAW...AND 
ANOTHER ABOUT 9 MILES NORTHWEST OF KENANSVILLE...MOVING NORTH AT 40 
MPH.

* THE STORMS ARE EXPECTED TO BE...
  NEAR HOLOPAW THROUGH 1130 AM EDT

THE IMMEDIATE DANGER OF A TORNADO IS HIGH. PEOPLE IN THE PATH OF THIS
DEVELOPING TORNADO ARE URGED TO QUICKLY PREPARE FOR ITS APPROACH.
THIS IS A DANGEROUS SITUATION ACT NOW AS SECONDS CAN SAVE LIVES

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN A STRONG
BUILDING ON THE LOWEST FLOOR. MOVE TO AN INTERIOR ROOM SUCH AS A
BATHROOM OR CLOSET. KEEP AWAY FROM WINDOWS. IF NECESSARY...GET UNDER
A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE BLANKETS OR
PILLOWS TO COVER YOUR BODY. ABANDON YOUR MOBILE HOME OR RV FOR MORE
SUBSTANTIAL SHELTER. IF YOU ARE CAUGHT OUTSIDE...GET INTO AN
UNFLOODED DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS AND
ARMS. ABANDON YOUR VEHICLE IF THE TORNADO IS NEARBY.

IF YOU ARE IN AN RV PARK...LEAVE YOUR RV FOR STURDY SHELTER. MANY
PARKS HAVE CENTRALIZED BUILDINGS SUCH AS REC CENTERS...POOL HOUSES...
COMMUNITY SHOWERS AND BATHS...OR A MAIN OFFICE WHICH CAN OFFER BETTER
PROTECTION. WHILE MOVING TO SAFER SHELTER...QUICKLY INFORM YOUR
NEIGHBOR BY KNOCKING ON THEIR DOOR.

LAT...LON 2791 8124 2784 8105 2830 8082 2839 8106

$$

KELLY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 7:29 AM EDTTornado WarningMLBOsceola31 min
Sep 6, 8:01 AM EDTTornado WarningMLBOsceola59 min
Sep 6, 9:56 AM EDTTornado WarningMLBVolusia34 min
Sep 6, 11:43 AM EDTTornado WarningMLBVolusia32 min
Sep 6, 11:45 AM EDTTornado WarningMLBBrevard, Volusia30 min
Sep 6, 11:59 AM EDTTornado WarningMLBBrevard, Orange, Volusia31 min
Sep 6, 12:06 PM EDTTornado WarningMLBOrange, Osceola24 min
Sep 6, 12:30 PM EDTTornado WarningMLBBrevard, Orange, Volusia60 min
Sep 6, 12:34 PM EDTSpecial Marine WarningMLB116 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; radar from the NEXRAD Level II archive.