Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 59, NWS Melbourne, FL

June 23, 1992Flagler County, Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 23, 1992, 6:10 PM EDT for Flagler County, Volusia County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1992, 6:10 PM EDT (22:10 UTC)
Expired
Jun 23, 1992, 7:15 PM EDT
In force
65 min
Issued by
NWS Melbourne, FL
Area
Whole counties

Counties Flagler County, FL, Volusia County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 10.2 hours before the alert went out and 145 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, Jacksonville, FL at 12:00Z on 1992-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 655 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, Jacksonville, FL at 12:00Z on 1992-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.19395878Sfc1 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
655 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAB 232209
SVRDAB
FLC127-035-232315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
610 PM EDT TUE JUN 23 1992
 
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL FLORIDA
 
   ...NORTHERN VOLUSIA COUNTY
 
  AND FOR MARINE INTERESTS ON THE COASTAL WATERS FROM...
 
   ...VOLUSIA COUNTY  TO  FLAGLER COUNTY
 
IN NORTHEAST FLORIDA
 
   ...FLAGLER COUNTY
A SHORT LINE OF STRONG THUNDERSTORMS WAS MOVING SOUTHEAST AT ABOUT
15 MPH THROUGH FLAGLER COUNTY AND MOVING TOWARD VOLUSIA COUNTY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
AS THE THUNDERSTORMS MOVE OUT OVER THE COASTAL WATERS...BOATERS
IN THE THREATENED AREA CAN EXPECT STRONG WINDS...ROUGH SEAS AND
LIGHTNING. BOATERS SHOULD TAKE NECESSARY ACTION TO AVOID THE
DANGEROUS THUNDERSTORMS.

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, Jun 23, 3:00 PM EDT, 3 hours 10 minutes before
FLZ017-011-232000-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE
NATIONAL WEATHER SERVICE MELBOURNE FL
258 PM EDT TUE JUN 23 1992

...STRONG THUNDERSTORMS DEVELOPING OVER EAST CENTRAL FLORIDA...

AT 255 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING
JUST WEST OF MASCOTTE AND NEAR THE EAST COAST BETWEEN COCOA
BEACH AND CAPE CANAVERAL. THE THUNDERSTORMS WERE MOVING TO
THE NORTHEAST AT 15 MPH. IN ADDITION TO VERY HEAVY DOWNPOURS...
THE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS OF ABOUT
30 MPH...FREQUENT DANGEROUS LIGHTNING...AND POSSIBLE SMALL HAIL.

DURING THE NEXT HOUR STRONG THUNDERSTORMS WILL MOVE TO
BETWEEN MASCOTTE AND TAVARES. A FEW STRONG THUNDERSTORMS WILL
EXTEND NEAR THE EAST COAST AND NEAR SHORE COASTAL WATERS FROM
CAPE CANAVERAL TO SEBASTIAN. PERSONS IN THESE AREAS...AND BOATERS
ON THE COASTAL WATERS...SHOULD BE ALERT FOR THESE THUNDERSTORMS.

ELSESWHERE IN EAST CENTRAL FLORIDA...SCATTERED SHOWERS AND
]THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER MUCH OF THE
AREA INTO THE EARLY EVENING HOURS.
Special weather statement, Jun 23, 3:50 PM EDT, 2 hours 20 minutes before
FLZ017-011-232045-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE
NATIONAL WEATHER SERVICE MELBOURNE FL
347 PM EDT TUE JUN 23 1992

...RAPIDLY DEVELOPING THUNDERSTORMS OVER EAST CENTRAL FLORIDA...

AT 345 PM...STRONG THUNDERSTORMS EXTENDED FROM LEESBURG TO
CLERMONT...WERE NEAR THE COAST BETWEEN CAPE CANAVERAL AND
TITUSVILLE...ALSO BETWWEN MELBOURNE AND SEBASTIAN. THE
THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 15 MPH.

DURING THE NEXT HOUR STRONG THUNDERSTORMS WILL CONTINUE TO
DEVELOP FROM CLERMONT TO THE NORTHERN PART OF THE METRO ORLANDO
AREA...ALSO NEAR THE EAST COAST FROM TITUSVILLE TO SEBASTIAN.
IN ADDITION TO VERY HEAVY DOWNPOURS...FREQUENT DANGEROUS LIGHTNING
...WIND GUSTS OF NEAR 40 MPH...AND POSSIBLE SMALL HAIL MAY BE
EXPECTED WITH THE THUNDERSTORMS.

PERSONS IN EAST CENTRAL FLORIDA SHOULD BE ALERT FOR STRONG
THUNDERSTORM DEVELOPMENT THROUGH THE EARLY EVENING HOURS.
STAY TUNED TO LOCAL NEWS MEDIA OR NOAA WEATHER RADIOh FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 23, 4:45 PM EDT, 1 hour 25 minutes before
FLZ009-0012-232345-

SPECIAL WEATHER STATEMENT AND MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
445 PM EDT TUE JUN 23 1992

...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL FLORIDA...

...THIS STATEMENT IS IN EFFECT FOR MARION COUNTY...FLAGLER COUNTY...
VOLUSIA COUNTY...AND THE COASTAL WATERS OF FLAGLER COUNTY AND
VOLUSIA COUNTY...

WEATHER CONDITIONS REMAIN HIGHLY FAVORABLE FOR THE REMAINDER OF
THIS AFTERNOON AND EVENING FOR STRONG THUNDERSTORM DEVELOPMENT
OVER CENTRAL AND EAST CENTRAL FLORIDA.

AT 440 PM EDT...SCATTERED STRONG THUNDERSTORMS WERE OCCURRING NEAR
OCALA AND OVER SOUTHERN VOLUSIA COUNTY AROUND OAK HILL. THESE
THUNDERSTORMS WERE MOVING EAST TO NORTHEAST AT 10 TO 15 MPH.

DURING THE NEXT FEW HOURS...THUNDERSTORMS WILL BECOME MORE WIDESPREAD
AND BRING VERY HEAVY RAIN...LOCALLY STRONG AND GUSTY WINDS...
FREQUENT DANGEROUS LIGHTNING...AND POSSIBLY SMALL HAIL.

FLORIDA LEADS THE NATION IN LIGHTNING FAcTALITIES...SO WITH THE
APPROACH OF THREATENING WEATHER...SEEK SHELTER INDOORS AND AWAY
FROM WINDOWS.  BOATERS SHOULD SEEK SAFE HARBOR AND BE PREPARED
FOR ROUGH SEAS IN THE VICINITY OF THUNDERSTORMS.
Special weather statement, Jun 23, 4:53 PM EDT, 1 hour 17 minutes before
FLZ017-011-016-012-009-232200-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE
NATIONAL WEATHER SERVICE MELBOURNE FL
451 PM EDT TUE JUN 23 1992

...SPECIAL MARINE WARNING FROM COCOA BEACH TO MELBOURNE BEACH UNTIL
545 PM...
...SPECIAL MARINE WARNING FROM TITUSVILLE TO MOSQUITO LAGOON WILL
EXPIRE AT 5 PM...

A WATERSPOUT WAS REPORTED OFFSHORE OF PATRICK AIR FORCE BASE
AROUND 435 THIS AFTERNOON AND WAS ASSCIATED WITH AN AREA OF SHOWERS
AND THUNDERSTORMS MOVING OFFSHORE FROM COCOA BEACH TO MELBOURNE.
WATERSPOUTS WILL BE POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE
OVER THE COASTAL WATERS IN THE NEXT HOUR.

THE STRONG THUNDERSTORMS MOVING OFFSHORE OF NORTHERN BREVARD COUNTY
HAVE WEAKENED A LITTLE IN THE LAST HALF HOUR BUT WILL CONTINUE TO
CAUSE VERY HEAVY RAIN...GUSTY WINDS AND FREQUENT LIGHTNING OFFSHORE
OF MOSQUITO LAGOON FOR THE NEXT HALF HOUR.

ELSEWHERE THUNDERSTORMS WITH VERY HEAVY RAIN WERE FROM SCOTTSMOOR TO
OVIEDO...LAKE MARY...FERNDALE AND CLERMONT. THUNDERSTORMS WERE ALSO
BETWEEN ST CLOUD AND COCOA...AND AROUND VERO BEACH. ALL OF THIS
ACTIVITY WAS MOVING EAST AT 15 MPH.

RES
Special weather statement, Jun 23, 5:10 PM EDT, 1 hour before
FLZ009-012-232345-

SPECIAL WEATHER STATEMENT AND MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
500 PM EDT TUE JUN 23 1992

...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL FLORIDA...

...THIS STATEMENT IS IN EFFECT FOR MARION COUNTY...FLAGLER COUNTY...
VOLUSIA COUNTY...AND THE COASTAL WATERS OF FLAGLER COUNTY AND
VOLUSIA COUNTY...

WEATHER CONDITIONS REMAIN HIGHLY FAVORABLE FOR THE REMAINDER OF
THIS AFTERNOON AND EVENING FOR STRONG THUNDERSTORM DEVELOPMENT
OVER CENTRAL AND EAST CENTRAL FLORIDA.

AT 455 PM EDT...SCATTERED STRONG THUNDERSTORMS WERE OCCURRING NEAR
OCALA AND OVER SOUTHERN VOLUSIA COUNTY AROUND OAK HILL. THESE
THUNDERSTORMS WERE MOVING EAST TO NORTHEAST AT 10 TO 15 MPH.

DURING THE NEXT FEW HOURS...THUNDERSTORMS WILL BECOME MORE WIDESPREAD
AND BRING VERY HEAVY RAIN...LOCALLY STRONG AND GUSTY WINDS...
FREQUENT DANGEROUS LIGHTNING...AND POSSIBLY SMALL HAIL.

FLORIDA LEADS THE NATION IN LIGHTNING FATALITIES...SO WITH THE
APPROACH OF THREATENING WEATHER...SEEK SHELTER INDOORS AND AWAY
FROM WINDOWS.  BOATERS SHOULD SEEK SAFE HARBOR AND BE PREPARED
FOR ROUGH SEAS IN THE VICINITY OF THUNDERSTORMS.
Special weather statement, Jun 23, 5:41 PM EDT, 29 minutes before
FLZ017-011-016-012-009-232245-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE
NATIONAL WEATHER SERVICE MELBOURNE FL
540 PM EDT TUE JUN 23 1992

...SPECIAL MARINE WARNING FROM COCOA BEACH TO MELBOURNE BEACH WILL
EXPIRE AT 545 PM...

AT 540 PM THUNDERSTORMS MOVING OVER THE COASTAL WATERS OF BREVARD
COUNTY HAD WEAKENED AND WERE PRODUCING ONLY HEAVY RAIN.

STRONG THUNDERSTORMS HAD DEVELOPED FROM BAREFOOT BAY TO SEBASTIAN
AND FELLSMERE. THESE THUNDERSTORMS WILL MOVE EAST OVER THE
COASTAL WATERS FROM GRANT TO VERO BEACH OVER THE NEXT HOUR WITH
VERY HEAVY RAIN...FREQUENT LIGHTNING AND STRONG GUSTY WINDS.

OTHER THUNDERSTORMS WERE FROM DAYTONA BEACH TO TITUSVILLE TO DELAND
AND LAKE MONROE. THUNDERSTORMS WERE ALSO FROM SOUTH OF CLERMONT TO
DISNEY TO JUST SOUTHWEST OF THE ORLANDO INTERNATIONAL AIRPORT...AND
WEST OF SHARPES. ALL OF THIS ACTIVITY WAS MOVING EAST AT 15 MPH.

RES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 3:23 PM EDTSevere Thunderstorm WarningMLBPalm Beach37 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.