Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 42, NWS Melbourne, FL

September 25, 2004Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 25, 2004, 11:58 PM EDT for Brevard County, Florida. It was in force for 62 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 25, 2004, 11:58 PM EDT (03:58 UTC)
Expired
Sep 26, 2004, 1:00 AM EDT
In force
62 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 18 km from the middle of the area, began a volume at 04:02 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 25, 4:25 PM EDTTornado WatchSPC8 hr
Sep 25, 11:10 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 4.0 hours before the alert went out and 167 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 00:00Z on 2004-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2004-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
77 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 260358
TORMLB
FLC009-260500-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1158 PM EDT SAT SEP 25 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BREVARD COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 100 AM EDT

* AT 1151 PM EDT...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO 
WARNING FOR SOUTHERN BREVARD COUNTY FOR THE ONSET OF EXTREME 
HURRICANE WINDS AND EMBEDDED TORNADOES ASSOCIATED WITH THE INNER 
CORE OF HURRICANE JEANNE AS THE CENTER MOVES ONSHORE SAINT LUCIE
AND MARTIN COUNTIES.

* WINDS TO 90 MPH WITH GUSTS TO 110 MPH ARE EXPECTED...ALONG WITH 
TORNADOES.  

* LOCATIONS IN THE WARNING INCLUDE FLORIDANA BEACH...BAREFOOT BAY...
MALABAR...GRANT...VALKARIA...PALM BAY...MELBOURNE...MELBOURNE BEACH 
...INDIALANTIC...INDIAN HARBOUR BEACH...AND SATELLITE BEACH.

THE SAFEST PLACE TO BE DURING A LANDFALLING MAJOR HURRICANE WITH 
EMBEDDED TORNADOES 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.

LAT...LON 2785 8086 2783 8047 2815 8058 2813 8085

$$

CRISTALDI/SHARP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 8:53 PM EDTFlash Flood WarningMLBIndian River, Martin, Saint Lucie4 hr
Sep 25, 9:06 PM EDTTornado WarningMLBMartin, Saint Lucie54 min
Sep 25, 9:47 PM EDTTornado WarningMLBIndian River58 min
Sep 26, 12:35 AM EDTFlash Flood WarningMLBBrevard, Indian River, Martin, Okeechobee, Osceola, Saint Lucie5 hr
Sep 26, 2:32 AM EDTTornado WarningMLBIndian River58 min
Sep 26, 12:01 PM EDTFlash Flood WarningMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia6 hr

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.