Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 15, NWS Melbourne, FL

February 5, 1992Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Feb 5, 1992, 8:49 PM EST for Orange County, Florida. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Feb 5, 1992, 8:49 PM EST (01:49 UTC)
Expired
Feb 5, 1992, 9:30 PM EST
In force
41 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Orange County, FL

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 1.8 hours before the alert went out and 81 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 060152
SVRMLB
FLC095-060230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
849 PM EST WED FEB 5 1992
 
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL FLORIDA
 
   ...EASTERN ORANGE COUNTY
 
AT 845 PM A SEVERE THUNDERSTORM WAS OVER CENTRAL ORANGE COUNTY SOUTH
WEST OF BITHLO AND CHRISTMAS, THIS STORM WAS MOVING TO THE NORTHEAST
AT 40 MPH. THIS STORM WILL PASS JUST SOUTH OF BITHLO TOWARD CHRISTMAS.
 
 
 
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.

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, 2:56 PM EST, 5 hours 53 minutes before
FLZ017-011-016-012-009-052100-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE
NATIONAL WEATHER SERVICE MELBOURNE FL
255 PM EST WED FEB 5 1992

...STRONG THUNDERSTORMS RAPIDLY DEVELOPING NEAR CLERMONT...

...A TORNADO WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL
   FLORIDA UNTIL 8PM THIS EVENING...

AT 250 PM NATIONAL WEATHER SERVICE RADAR SHOWED A BAND OF RAPIDLY
DEVELOPING THUNDERSTORMS EXTENDING WEST OF ORLANDO FROM ZELLWOOD
SOUTHWEST THROUGH THE CLERMONT AREA. THE STRONGEST THUNDERSTORM
WAS NEAR CLERMONT.

THE THUNDERSTORMS WERE MOVING RAPIDLY TO THE NORTHEAST AT 40 MPH.

DURING THE NEXT HOUR THE THUNDERSTORMS WILL MOVE THROUGH CLERMONT
AND EXTEND FROM SANFORD TO THE ORLANDO AREA AROUND WINTER GARDEN.
THE THUNDERSTORMS ARE EXPECTED TO INTENSIFY AND PERSONS IN THESE
AREAS SHOULD BE ON THE ALERT FOR WIND GUSTS OF 40 TO 50 MPH...
FREQUENT DANGEROUS LIGHTNING...AND POSSIBLE HAIL. A TORNADO WATCH
REMAINS IN EFFECT FOR ALL OF EAST CENTRAL FLORIDA UNTIL 8 PM THIS
EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR NEWS MEDIA FOR FURTHER UPDATES
AS THE AFTERNOON PROGRESSES.
Local storm report, Feb 5, 2:58 PM EST, 5 hours 51 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
255 PM EST WED FEB 5 1992

2/5/92    0540  EST  MARION COUNTY, SUMMERFIELD, 15 SSE OF OCALA.
                     CARPORT...INCLUDING THE CONCRETE POSTS... WERE
                     LIFTED ONTO ROOF OF HOUSE. REPORTED BY THE OCALA
                     STAR-BANNER.  SVR IN EFFECT 0536 TO 0630 EST.

2/5/92    0638  EST  VOLUSIA COUNTY, DAYTONA BEACH WEATHER SERVICE
                     OFFICE. WIN&D GUST TO 50 KTS (58 MPH). SVR IN
                     EFFECT 0615 TO 0715 EST.
Special weather statement, Feb 5, 4:47 PM EST, 4 hours 2 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, 2 hours 3 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, 11 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 9:17 PM ESTSevere Thunderstorm WarningMLBBrevard43 min
Feb 5, 9:52 PM ESTSevere Thunderstorm WarningMLBOkeechobee68 min
Feb 5, 10:11 PM ESTSevere Thunderstorm WarningMLBBrevard37 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.