Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 40, NWS Melbourne, FL

September 25, 2004Martin County, Saint Lucie County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 25, 2004, 9:06 PM EDT for Martin County, Saint Lucie County, Florida. It was in force for 54 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, 9:06 PM EDT (01:06 UTC)
Expired
Sep 25, 2004, 10:00 PM EDT
In force
54 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

Counties Martin County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 89 km from the middle of the area, began a volume at 01:08 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

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 1.1 hours before the alert went out and 181 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, Miami, FL at 00:00Z on 2004-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 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, Miami, FL at 00:00Z on 2004-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.19395878Sfc1 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
263 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 260106
TORMLB
FLC085-111-260200-

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  MARTIN COUNTY
  ST. LUCIE COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 1000 PM EDT

* AT 855 PM EDT...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO 
WARNING FOR MARTIN AND ST LUCIE COUNTIES MAINLY FOR THE ONSET OF 
EXTREME HURRICANE WINDS AND EMBEDDED TORNADOES ASSOCIATED WITH THE 
INNER CORE OF HURRICANE JEANNE AS THE CENTER NEARS THE COAST. WINDS 
TO 100 MPH WITH GUSTS TO 120 MPH ARE EXPECTED...ALONG WITH 
TORNADOES.  

* OTHER LOCATIONS IN THE WARNING INCLUDE INDIAN RIVER ESTATES...SAINT
  LUCIE VILLAGE...JUPITER ISLAND...LAKEWOOD PARK...NORTH RIVER
  SHORES...QUEENS COVE...PORT SALERNO...PORT SAINT LUCIE RIVER
  PARK...SAINT LUCIE AIRPORT...SAINT LUCIE WEST...NETTLES ISLAND AND
  ROCKY POINT

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 2763 7974 2778 7987 2756 8034 2757 8063
      2696 8063 2699 8010

$$

DS/DD

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, 9:47 PM EDTTornado WarningMLBIndian River58 min
Sep 25, 11:58 PM EDTTornado WarningMLBBrevard62 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.