Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 28, NWS Melbourne, FL

September 6, 2004Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 6, 2004, 7:29 AM EDT for Osceola County, Florida. It was in force for 31 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, 7:29 AM EDT (11:29 UTC)
Expired: Sep 6, 2004, 8:00 AM EDT
In force: 31 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), 48 km from the middle of the area, began a volume at 11:30 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 11.5 hours before the alert went out and 135 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 44 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 2432 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 155 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.

756 
WFUS52 KMLB 061129
TORMLB
FLC097-061200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
730 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 800 AM EDT

* AT 724 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STORM CAPABLE OF PRODUCING A TORNADO 18 MILES SOUTH OF HARMONY...OR
  ABOUT 3 MILES NORTHEAST OF LAKE KISSIMMEE...MOVING NORTH AT 50 MPH.

* THE STORM IS EXPECTED TO BE...
  NEAR HARMONY AT 745 AM EDT

TORNADOES ASSOCIATED WITH TROPICAL CYCLONES ARE OFTEN WRAPPED IN
HEAVY RAIN AND ARE HARD TO SEE OR HEAR UNTIL THEY ARE VERY CLOSE. DO
NOT GET CAUGHT OFFGUARD

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 AND KEEP AWAY
FROM WINDOWS.

LAT...LON 2827 8103 2824 8107 2818 8107 2794 8117
      2797 8124 2797 8134 2833 8124 2833 8103

$$

CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 8:01 AM EDT	Tornado Warning	MLB	Osceola	59 min
Sep 6, 9:56 AM EDT	Tornado Warning	MLB	Volusia	34 min
Sep 6, 10:45 AM EDT	Tornado Warning	MLB	Osceola	60 min
Sep 6, 11:43 AM EDT	Tornado Warning	MLB	Volusia	32 min
Sep 6, 11:45 AM EDT	Tornado Warning	MLB	Brevard, Volusia	30 min
Sep 6, 11:59 AM EDT	Tornado Warning	MLB	Brevard, Orange, Volusia	31 min
Sep 6, 12:06 PM EDT	Tornado Warning	MLB	Orange, Osceola	24 min
Sep 6, 12:30 PM EDT	Tornado Warning	MLB	Brevard, Orange, Volusia	60 min
Sep 6, 12:34 PM EDT	Special Marine Warning	MLB		116 min

Nearby

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