Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS Melbourne, FL

February 5, 1992Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Feb 5, 1992, 10:11 PM EST for Brevard County, Florida. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Feb 5, 1992, 10:11 PM EST (03:11 UTC)
Expired
Feb 5, 1992, 10:48 PM EST
In force
37 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Brevard County, FL

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 3.2 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 00:00Z on 1992-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1258 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 00:00Z on 1992-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.1939587897Sfc1 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
1258 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLB 060313 COR
SVRMLB
FLC009-060415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING...CORRECTED
NATIONAL WEATHER SERVICE MELBOURNE FL
1011 PM EST WED FEB 5 1992

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1115 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL FLORIDA

   ...NORTHERN BREVARD COUNTY

  AND FOR MARINE INTERESTS ON THE COASTAL WATERS FROM...

   ...MOSQUITO LAGOON  TO  MELBOURNE BEACH

A SEVERE THUNDERSTORM WAS 5 MILES WEST OF PATRICK AIR FORCE BASE
MOVING NORTHEAST AT 40 MPH. THIS STORM WILL MOVE ACROSS THE COCOA
BEACH AND PORT CANAVERAL AREAS DURING THE NEXT HALF HOUR. THIS
STORM AND OTHER STRONG THUNDERSTORMS WEST OF MELBOURNE
WILL MOVE INTO THE BREVARD COUNTY COASTAL WATERS DURING THE NEXT
HOUR.


SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STRONG BUILDING. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

BOATERS AND MARINERS IN THE PATH OF THIS STORM SHOULD TAKE
NECESSARY PRECAUTIONS. SEEK SAFE HARBOR IMMEDIATELY IF POSSIBLE.

What forecasters said that day

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

In the hours before

Special weather statement, Feb 5, 4:47 PM EST, 5 hours 24 minutes before
FLZ006>017-020-052245-

SPECIAL WEATHER STATEMENT AN RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
445 PM EST WED FEB 5 1992

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF NORTH AND CENTRAL FLORIDA
AND THE ADJACENT COASTAL WATERS UNTIL 800 PM EST THIS EVENING AND
INCLUDES MARION...FLAGLER AND VOLUSIA COUNTIES...

STRONG THUNDERSTORMS CONTINUED OVER THE INTERIOR OF THE FLORIDA PENINSULA
BETWEEN SANFORD AND ORLANDO AND ABOUT 20 MILES SOUTH OF LEESBURG.

THE HEAVIEST RAINFALL WAS JUST NORTHWEST OF SANFORD AND JUST NORTHEAST
OF APOPKA.

THUNDERSTORMS WERE ALONG THE EAST COAST FROM FLAGLER BEACH SOUTH TO
DAYTONA BEACH AND ALSO ALONG THE GULF COAST AROUND ST PETERSBURG AND
TAMPA.

MO~VEMENT WAS NORTHEAST AT 30 MPH.
Special weather statement, Feb 5, 6:46 PM EST, 3 hours 25 minutes before
FLZ006>017-020-060030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
645 PM EST WED FEB 5 1992

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF NORTH AND CENTRAL FLORIDA
AND THE ADJACENT COASTAL WATERS UNTIL 800 PM EST THIS EVENING AND
INCLUDES MARION...FLAGLER AND VOLUSIA COUNTIES...

STRONG THUNDERSTORMS CONTINUED OVER THE INTERIOR OF THE FLORIDA PENINSULA
BETWEEN SANFORD AND LEESBURG AND BETWEEN ORLANDO AND LAKELAND.

THUNDERSTORMS WAS ALSO OVER THE INTERIOR OF NORTH FLORIDA JUST EAST OF
GAINESVILLE AND OVER WEST CENTRAL FLORIDA BETWEEN TAMPA AND LAKELAND.

THUNDERSTORMS AND SHOWERS WERE OVER THE COASTAL WATERS BETWEEN CAPE
CANAVERAL AND JACKSONVILLE AND OVER THE ATLANTIC...75 MILES NORTHEAST
THROUGH SOUTHEAST OF DAYTONA BEACH.

MOVEMENT WAS RAPIDLY NORTHEAST AT 40 MPH.
Special weather statement, Feb 5, 8:38 PM EST, 1 hour 33 minutes before
FLZ006>017-020-060235-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
840 PM EST WED FEB 5 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF
CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 1100 PM EST
AND INCLUDES MARION...FLAGLER AND VOLUSIA COUNTIES...

THUNDERSTORMS CONTINUED OVER THE INTERIOR OF CENTRAL FLORIDA AROUND ORLANDO
AND FARTHER SOUTH BETWEEN SEBRING AND LAKE WALES.

THUNDERSTORMS WAS ALSO OVER EXTREME NORTHEAST FLORIDA IN THE JACKSONVILLE
AREA AND OVER THE ATLANTIC COASTAL AND OFFSHORE WATERS EAST OF DAYTONA
BEACH.

THE HEAVIEST RAINFALL WAS JUST SOUTHEAST OF ORLANDO.

MOVEMENT WAS RAPIDLY NORTHEAST AT 40 MPH.
Special weather statement, Feb 5, 9:46 PM EST, 25 minutes before
FLZ006>017-020-060335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
945 PM EST WED FEB 5 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF
CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 1100 PM EST
AND INCLUDES VOLUSIA COUNTY...

...MARION AND FLAGLER COUNTIES ARE NO LONGER IN THE WATCH AREA...

THUNDERSTORMS WERE ALONG THE EAST COAST JUST NORTH OF THE KENNEDY SPACE
CENTER AND ABOUT 15 MILES WEST OF MELBOURNE.

SEVERAL THUNDERSTORMS CONTINUED OVER THE ATLANTIC...25 TO 50 MILES OFFSHORE
DAYTONA BEACH.

SHOWERS WERE OVER THE INTERIOR OF NORTH FLORIDA BETWEEN ORLANDO AND
GAINESVILLE AND SOME LIGHT RAIN LINGERED IN THE JACK7SONVILLE AREA.
MOVEMENT WAS NORTHEAST AT 35 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 8:49 PM ESTSevere Thunderstorm WarningMLBOrange41 min
Feb 5, 9:17 PM ESTSevere Thunderstorm WarningMLBBrevard43 min
Feb 5, 9:52 PM ESTSevere Thunderstorm WarningMLBOkeechobee68 min

Nearby

Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992

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.