Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 52, NWS Melbourne, FL

September 25, 1998Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 25, 1998, 1:15 PM EDT for Brevard County, Florida. It was in force for 65 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 25, 1998, 1:15 PM EDT (17:15 UTC)
Expired
Sep 25, 1998, 2:20 PM EDT
In force
65 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 17:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 25, 11:00 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 5.3 hours before the alert went out and 27 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 1998-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2959 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 1998-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
2959 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
89 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.

640 
WFUS01 KMLB 251717 RRA
TORMLB
FLC009-251820-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
115 PM EDT FRI SEP 25 1998

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 220 PM EDT

* AT 113 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SPIRAL BAND FROM HURRICANE GEORGE WITH CONTAINS SEVERAL ROTATING
  STORMS FROM THE COAST NEAR GRANT AND EXTENDING 25 MILES OFFSHORE
  SEBASTIAN INLET. MOVEMENT WAS NORTHWEST AT 30 MPH.

* THE STRONGEST STORMS WILL MOVE ONSHORE COASTAL AREAS FROM
  FLORIDANA BEACH TO INDIALANTIC THROUGH 220 PM.

THESE STROMS HAVE A HISTORY OF PRODUCING TORNADIC DAMAGE AND
WATERSPOUTS OVER INDIAN RIVER COUNTY.

THE POTENTIAL FOR ISOLATED BRIEF TORNADO FORMATION IS VERY HIGH
ACROSS BREVARD COUNTY. SHORT LIVED TORNADOES MAY OCCUR WITH
LITTLE ADVANCE WARNING. REMAIN ALERT FOR THE DEVELOPMENT OF
LOCALLY SEVERE WEATHER.


CRISTALDI

&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 6:10 AM EDTTornado WarningMLBMartin30 min
Sep 25, 6:43 AM EDTTornado WarningMLBSaint Lucie62 min
Sep 25, 7:23 AM EDTTornado WarningMLBOkeechobee62 min
Sep 25, 7:29 AM EDTTornado WarningMLBMartin61 min
Sep 25, 8:05 AM EDTFlash Flood WarningMLBMartin, Saint Lucie115 min
Sep 25, 10:08 AM EDTTornado WarningMLBSaint Lucie67 min
Sep 25, 10:34 AM EDTTornado WarningMLBIndian River66 min
Sep 25, 11:34 AM EDTTornado WarningMLBIndian River56 min
Sep 25, 12:16 PM EDTTornado WarningMLBBrevard59 min
Sep 25, 12:23 PM EDTTornado WarningMLBOsceola57 min
Sep 25, 1:27 PM EDTTornado WarningMLBOsceola58 min

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.