Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 11, NWS Melbourne, FL

August 14, 2003Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 14, 2003, 7:38 AM EDT for Martin County, Florida. It was in force for 22 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 14, 2003, 7:38 AM EDT (11:38 UTC)
Expired
Aug 14, 2003, 8:00 AM EDT
In force
22 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Martin County, FL

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 11.6 hours before the alert went out and 135 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 2003-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2451 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 00:00Z on 2003-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
2451 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
71 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 141138
TORMLB
FLC085-141200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
737 AM EDT THU AUG 14 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MARTIN COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 800 AM EDT

* AT 736 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING A 
WATERSPOUT APPROACHING THE SHORELINE ABOUT 2 MILES EAST OF JOHNATHAN 
DICKINSON STATE PARK...MOVING WEST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS WATERSPOUT INCLUDE... HOBE   
SOUND...HOBE SOUND BEACH...INDIANTOWN...PALM CITY AND PORT SALERNO.

THIS WATERSPOUT HAS THE POTENTIAL TO MOVE ONSHORE AND BECOME A THREAT
TO LIFE AND PROPERTY.

WHENEVER A WATERSPOUT MOVES ONSHORE IT SHOULD BE TREATED LIKE A
TORNADO. ALTHOUGH TYPICALLY WEAKER AND SHORTER LIVED...A LANDFALLING
WATERSPOUT CAN STILL CAUSE SERIOUS INJURY...OR IN EXTREME SITUATIONS
EVEN DEATH. IT CAN ALSO PRODUCE DAMAGE TO PROPERTY.

LANDFALLING WATERSPOUTS CAN EASILY CAUSE A RECREATIONAL VEHICLE TO
ROLL OVER. IF A WATERSPOUT IS ABOUT TO STRIKE YOUR RV...ABANDON IT.


LAT...LON 2692 8003 2709 7998 2723 8046 2701 8053

$$

52

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 7:31 AM EDTSpecial Marine WarningMLB59 min
Aug 14, 8:37 AM EDTSpecial Marine WarningMLB113 min
Aug 14, 9:41 AM EDTSpecial Marine WarningMLB2 hr
Aug 14, 9:41 AM EDTSpecial Marine WarningMLB2 hr
Aug 14, 11:45 AM EDTSpecial Marine WarningMLB3 hr
Aug 14, 11:45 AM EDTSpecial Marine WarningMLB3 hr

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

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.