Alert archive / Florida / Tornado Warnings in 1999

Tornado Warning 15, NWS Melbourne, FL

September 14, 1999Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 14, 1999, 2:30 PM EDT for Brevard County, Florida. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 14, 1999, 2:30 PM EDT (18:30 UTC)
Expired
Sep 14, 1999, 3:00 PM EDT
In force
30 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Brevard County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 6.5 hours before the alert went out and 180 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 12:00Z on 1999-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 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, Tampa Bay, FL at 12:00Z on 1999-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
542 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
52 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.

756 
WFUS01 KMLB 141831 RRA
TORMLB
FLC009-141900-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
230 PM EDT TUE SEP 14 1999

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
     BREVARD COUNTY IN EAST CENTRAL FLORIDA

* UNTIL 300 PM EDT

* AT 225 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST OFFSHORE INDIAN
  HARBOR BEACH.  MOVEMENT WAS SOUTHWEST AT 35 MPH.

* THE TORNADO IS EXPECTED TO AFFECT...
  INDIAN HARBOR BEACH TO INDIALANTIC THROUGH 3 PM.
  THERE WILL BE THE POTENTIAL FOR OTHER TORNADOES TO DEVELOP WITHIN
  RAIN BANDS NEAR PORT CANAVERAL.


IF YOU ARE CAUGHT OUTSIDE IN THE PATH OF A TORNADO...SEEK SHELTER IN
A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN
A DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this tornado warning went out at Sep 14, 12:50 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, Sep 14, 12:50 PM EDT, 1 hour 40 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
1250 PM EDT TUE SEP 14 1999

HAVE ISSUED NPW TO UPGRADE INLAND HIGH WIND WARNING FOR LIKELIHOOD
OF HURRICANE FORCE GUSTS BASED ON LATEST NHC PROFECTION.

.MLB...HURRICANE WARNING FLAGLER BEACH TO JUPITER INLET. INLAND HIGH
WIND WARNING FOR HURRICANE FORCE WIND GUSTS THROUGH WEDNESDAY. FLOOD
WATCH THROUGH WEDNESDAY ALL COUNTIES.

SPRATT

Nearby

Tornado Warnings in Florida, 1999Every tornado warning in 1999Tornadoes in 1999

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.