Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 43, NWS Melbourne, FL

September 26, 2004Indian River County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 26, 2004, 2:32 AM EDT for Indian River County, Florida. It was in force for 58 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 26, 2004, 2:32 AM EDT (06:32 UTC)
Expired
Sep 26, 2004, 3:30 AM EDT
In force
58 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Indian River County, FL

The radar

The Melbourne radar (KMLB), 51 km from the middle of the area, began a volume at 06:35 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, 11:10 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 6.5 hours before the alert went out and 151 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 260632
TORMLB
FLC061-260730-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
230 AM EDT SUN SEP 26 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  INDIAN RIVER COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 330 AM EDT

* AT 230 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ROTATION WITH WESTWARD MOVING SHOWERS IN THE NORTHERN EYEWALL OF
  HURRICANE JEANNE ACROSS INDIAN RIVER COUNTY.

* SOME LOCATIONS WHICH MAY EXPERIENCE A BRIEF TORNADO TOUCHDOWN      
  INCLUDE ...VERO BEACH...BLUE CYPRESS LAKE...GIFFORD...INDIAN RIVER 
  SHORES...AND VERO LAKE ESTATES.

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.

A TORNADO WATCH ALSO CONTINUES THROUGH 6 AM.

LAT...LON 2752 8043 2770 8038 2799 8151 2773 8158

$$

VOLKMER

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 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, 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.