Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 54, NWS Melbourne, FL

October 16, 1998Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Oct 16, 1998, 6:34 PM EDT for Brevard County, Florida. It was in force for 31 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
Oct 16, 1998, 6:34 PM EDT (22:34 UTC)
Expired
Oct 16, 1998, 7:05 PM EDT
In force
31 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 22:34 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

Tampa Bay, FL (KTBW), launched 12:00Z, 10.6 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 1998-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 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 1998-10-16The 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
109 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
3 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 
TTAA00 KMLB 162235 RRA
TORMLB
FLC009-162305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
634 PM EDT FRI OCT 16 1998

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 705 PM EDT

* AT 632 PM... AREA LAW ENFORCEMENT REPORTED A WATERSPOUT A
WATERSPOUT  WAS REPORTED IN THE INDIAN RIVER JUST OFFSHORE NORTH
MELBOURNE. MOVEMENT  WAS WEST AT 5 MPH.

* THE WATERSPOUT WILL COULD MOVE ONSHORE AND AFFECT THE NORTHERN
SECTIONS OF MELBOURNE BETWEEN 635 AND 640 PM.





IF A WATERSPOUT APPROACHES YOU ON LAND FROM OPEN WATER...SEEK
SHELTER IMMEDIATELY IN THE INTERIOR OF A NEARBY STRONG BUILDING.

Nearby

Tornado Warnings in Florida, 1998Every tornado warning in 1998Tornadoes in 1998

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.