Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 22, NWS Melbourne, FL

August 16, 2004Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 16, 2004, 6:56 PM EDT for Okeechobee County, Florida. It was in force for 34 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 16, 2004, 6:56 PM EDT (22:56 UTC)
Expired
Aug 16, 2004, 7:30 PM EDT
In force
34 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 70 km from the middle of the area, began a volume at 22:56 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, 10.9 hours before the alert went out and 113 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 2004-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2595 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2004-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
2595 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
57 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.

000 
WFUS52 KMLB 162256
TORMLB
FLC093-162330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
655 PM EDT MON AUG 16 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OKEECHOBEE COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 730 PM EDT

* AT 654 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH SIGNIFICANT ROTATION 10 MILES WEST OF FORT
  DRUM...AND ABOUT 10 MILES NORTH OF BASINGER...MOVING SOUTHEAST AT 5
  MPH.

* THE STORM IS EXPECTED TO BE...
  5 MILES WEST OF FORT DRUM AT 720 PM EDT

THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME. PEOPLE IN
THE PATH OF THIS STORM SHOULD ACT NOW IN ORDER TO PROTECT THEMSELVES.
DO NOT WAIT FOR THE TORNADO TO DEVELOP BEFORE ACTING...YOU MAY NOT
SEE OR HEAR ITS APPROACH. DO NOT GET CAUGHT OFF GUARD

IF YOU EXPERIENCE SEVERE WEATHER...PLEASE RELAY YOUR REPORT TO LOCAL
LAW ENFORCEMENT AND ASK THEM TO PASS IT ALONG TO THE NATIONAL WEATHER
SERVICE. OR YOU MAY CALL THE MELBOURNE WEATHER OFFICE DIRECTLY AT
THIS NUMBER 1 800 683 4468. YOUR TIMELY REPORT COULD SAVE SOMEONES
LIFE

LAT...LON 2766 8095 2756 8111 2734 8097 2747 8076

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 6:13 PM EDTSevere Thunderstorm WarningMLBOkeechobee47 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.