Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 8, NWS Melbourne, FL

August 6, 2004Saint Lucie County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 6, 2004, 4:27 PM EDT for Saint Lucie County, Florida. It was in force for 33 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
Aug 6, 2004, 4:27 PM EDT (20:27 UTC)
Expired
Aug 6, 2004, 5:00 PM EDT
In force
33 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 75 km from the middle of the area, began a volume at 20:29 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.5 hours before the alert went out and 110 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, Cape Canaveral, FL at 12:00Z on 2004-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1284 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, Cape Canaveral, FL at 12:00Z on 2004-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 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
1284 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 062027
TORMLB
FLC111-062100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
426 PM EDT FRI AUG 6 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 425 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES NORTHWEST OF
  LAKEWOOD PARK...MOVING SOUTHEAST AT 20 MPH.

SAINT LUCIE COUNTY EMERGNECY MANAGEMENT REPORTED A FUNNEL CLOUD NEAR 
SPANISH LAKES FAIRWAYS...AT THE INTERSECTION OF INDRIO ROAD AND
INTERSTATE 95.

* THE STORM IS EXPECTED TO BE...
  NEAR INDRIO...SAINT LUCIE VILLAGE AT 435 PM EDT

THIS STORM SHOWED SIGNS OF ROTATION AND COULD PRODUCE A TORNADO AT
ANY TIME. DONT GET CAUGHT OFF GUARD

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.

LAT...LON 2752 8032 2749 8029 2746 8029 2743 8032
      2743 8039 2755 8053 2755 8032

$$

CRISTALDI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 2:00 PM EDTSpecial Marine WarningMLB2 hr
Aug 6, 2:00 PM EDTSpecial Marine WarningMLB2 hr
Aug 6, 4:31 PM EDTSpecial Marine WarningMLB59 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.