Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 87, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 19, 1992, 6:08 PM EDT for Marion County, Florida. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1992, 6:08 PM EDT (22:08 UTC)
- Expired
- Jul 19, 1992, 7:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Marion County, FL
The nearest sounding before it
Jacksonville, FL (KAYS), launched 12:00Z, 10.1 hours before the alert went out and 148 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.
- Mixed-layer CAPE
- 1250 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDAB 192211 SVRDAB FLC083-192315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 608 PM EDT SUN JUL 19 1992 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL FLORIDA ...WEST CENTRAL MARION COUNTY SEVERE THUNDERSTORMS NEAR I-75 THROUGH WEST CENTRAL MARION COUNTY... AT 607 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A NARROW LINE OF SEVERE THUNDERSTORMS NORTHWEST THROUGH WEST OF OCALA. HAIL AND A BRIEF TORNADO TOUCHDOWN WAS REPORTED TO THE NORTH...IN ALACHUA COUNTY WITH SIMILAR STORMS WIHTIN THE PAST FIFTEEN MINUTES. THESE STORMS SHOWED VERY LITTLE MOTION AND AS A RESULT SOME LOCALLIZED FLOODING OF LOW LYING AREAS SHOULD BE EXPECTED. HIGHWAYS TOO..WILL HAVE STANDING AND PONDING WATER. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. 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.
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, Jul 19, 1:49 PM EDT, 4 hours 19 minutes before
FLZ017-011-016-191845- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 147 PM EDT SUN JUL 19 1992 ...STRONG THUNDERSTORMS BUILDING OVER EAST CENTRAL FLORIDA... AT 145 PM EDT...A BAND OF STRONG THUNDERSTORMS HAD FORMED FROM CAPE CANAVERAL TO SHARPES...AND SOUTHWEST TO LAKE KISSIMMEE. OTHER STRONG THUNDERSTORMS WERE BETWEEN VERO BEACH AND BLUE CYPRESS LAKE. THE THUNDERSTORMS WERE NEARLY STATIONARY AND WILL PRODUCE VERY HEAVY RAIN...STRONG GUSTY WIND...FREQUENT LIGHTNING...AND POSSIBLY SMALL HAIL. ELSEWHERE...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WERE BETWEEN DAYTONA BEACH AND CLERMONT...AND EXTENDING SOUTH TO LAKE OKEECHOBEE. THE SHO`WERS AND THUNDERSTORMS WILL CONTINUE...WITH MORE DEVELOPING OVER MOST ALL OF THE AREA WITHIN THE NEXT HOUR OR TWO.
Special weather statement, Jul 19, 3:33 PM EDT, 2 hours 35 minutes before
FLZ012-192130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 330 PM EDT SUN JUL 19 1992 ...STRONG THUNDERSTORMS DEVELOPING OVER EAST CENTRAL FLORIDA... ...THIS STATEMENT IS FOR VOLUSIA COUNTY... AT 320 PM EDT...NATIONAL WEATHER SERVICE RADAR DETECTED A FEW SMALL CLUSTERS OF THUNDERSTORMS OVER INTERIOR SECTIONS OF VOLUSIA COUNTY THAT EXTENDED FROM ABOUT 5 MILES SOUTHWEST OF THE DAYTONA BEACH REGIONAL AIRPORT TO JUST NORTH OF DELAND. OTHER STRONG THUNDERSTORMS WERE DEVELOPING NEAR OSTEEN. DURING THE NEXT TWO HOURS...THUNDERSTORMS WILL BECOME MORE NUMEROUS OVER INLAND AREAS OF VOLUSIA COUNTY AND BRING VERY HEAVY RAIN... STRONG AND GUSTY WINDS...AND DANGEROUS LIGHTNING TO MANY AREAS. DUE TO THE SLOW MOVING NATURE OF THESE THUNDERSTORMS...VERY HEAVY RAIN IS LIKELY TO FALL OVER ANY ONE PARTICULAR LOCALITY FOR A LENGTHY PERIOD OF TIME AND CAUSE FLOODING IN AREAS OF NORMALLY POOR DRAINAGE. MOTORISTS ARE URGEDX NOT TO DRIVE WHERE WATER HAS PONDED ON ROADS...AND RESIDENTS SHOULD BE PREPARED TO SEEK SAFE SHELTER INDOORS WHEN THUNDERSTORMS THREATEN.
Special weather statement, Jul 19, 3:36 PM EDT, 2 hours 32 minutes before
FLZ017-011-016-012-192030- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 333 PM EDT SUN JUL 19 1992 ...HEAVY RAINS CONTINUE OVER EAST CENTRAL FLORIDA... AT 330 PM EDT VERY HEAVY RAIN CONTINUED IN THUNDERSTORMS CLUSTERED FROM COCOA BEACH TO MELBOURNE AND PALM BAY. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM ORANGE CITY TO SANFORD THEN SOUTH TO ORLANDO. THE NATIONAL WEATHER SERVICE OFFICE IN MELBOURNE HAS RECEIVED MORE THAN 3/4 INCH OF RAIN IN THE PAST HOUR AND OTHER LOCATIONS HAVE RECEIVED MORE. THE SHOWERS AND THUNDERSTORMS WERE NEARLY STATIONARY AND WILL CAUSE PONDING OF WATER IN LOW LYING AREAS AND POOR DRAINAGE AREAS. PEOPLE ^SHOULD BE ALERT FOR RISING WATER AND MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. ELSEWHERE OVER EAST CENTRAL FLORIDA...SHOWERS...THUNDERSTORMS...AND RAIN CONTINUED OVER MOST OF THE AREA.
Special weather statement, Jul 19, 3:38 PM EDT, 2 hours 30 minutes before
FLZ012-192130- SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 335 PM EDT SUN JUL 19 1992 ...STRONG THUNDERSTORMS DEVELOPING OVER EAST CENTRAL FLORIDA... AT 328 PM EDT...NATIONAL WEATHER SERVICE RADAR DETECTED A FEW SMALL CLUSTERS OF THUNDERSTORMS OVER INTERIOR SECTIONS OF VOLUSIA COUNTY THAT EXTENDED FROM ABOUT 5 MILES SOUTHWEST OF THE DAYTONA BEACH REGIONAL AIRPORT TO JUST NORTH OF DELAND. OTHER STRONG THUNDERSTORMS WERE DEVELOPING NEAR OSTEEN. OTHER STRONG THUNDERSTORMS WERE OCCURRING IN THE ORLANDO AREA. DURING THE NEXT TWO HOURS...THUNDERSTORMS WILL BECOME MORE NUMEROUS OVER INLAND AREAS AND BRING VERY HEAVY RAIN... STRONG AND GUSTY WINDS...AND DANGEROUS LIGHTNING TO MANY AREAS. DUE TO THE SLOW MOVING NATURE OF THESE THUNDERSTORMS...VERY HEAVY PERIOD OF TIME AND CAUSE FLOODING IN AREAS OF NORMALLY POOR DRAINAGE. MOTORISTS ARE URGED NOT TO DRIVE WHERE WATER HAS PONDED ON `ROADS...AND RESIDENTS SHOULD BE PREPARED TO SEEK SAFE SHELTER INDOORS WHEN THUNDERSTORMS THREATEN.
Special weather statement, Jul 19, 4:55 PM EDT, 1 hour 13 minutes before
FLZ017-011-012-192300- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 454 PM EDT SUN JUL 19 1992 ...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL FLORIDA... AT 445 PM STRONG THUNDERSTORMS CONTINUED OVER SOUTHERN LAKE COUNTY BETWEEN LAKE APOPKA AND BAY LAKE. OTHER STRONG THUNDERSTORMS WERE LOCATED WEST AND SOUTH OF LAKE COUNTY FROM NEAR BUSHNELL TO DADE CITY. THE THUNDERSTORMS THAT DROPPED HEAVY RAIN IN BREVARD COUNTY EARLIER HAD WEAKENED AND SHOWERS AND EMBEDDED THUNDERSTORMS REMAIN FROM ALONG THE COASTAL WATERS BETWEEN DAYTONA BEACH AND MELBOURNE INLAND TO ST CLOUD...ORLANDO AND LAKE GEORGE. THE STORMS WERE DRIFTIN SLOWLY NORTHWARD. DURING THE EARLY EVENING HOURS SCATTERED STRONG THUNDERSTORMS WILL CONTINUE...MAINLY INLAND...OVER PORTIONS OF LAKE AND WESTERN ORANGE COUNITES. SOME INCREASE IN INTENSITY IS POSSIBLE WITH THE INLAND STORMS OVER THE NEXT HOUR OR TWO WITH SOME STORMS PRODUCING VER Y HEAVY RAIN THAT MAY POND ON ROADWAYS...AS WELL AS FREQUENT LIGHTNING STRIKES...GUSTY WINDS AND SMALL HAIL. SHOWERS AND THUNDERSTORMS OVER THE COASTAL COUNTIES WILL GRADUALLY DECREASE DURING THE EARLY EVENING.
Special weather statement, Jul 19, 5:53 PM EDT, 15 minutes before
FLZ009-192245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 550 PM EDT SUN JUL 19 1992 THIS IS A SPECIAL WEATHER STATEMENT FOR MARION COUNTY... AT 545 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS HAD MERGED INTO A NEARLY SOLID LINE VERY NEAR I-75 FROM WILDWOOD THROUGH MARION COUNTY TO NEAR GAINESVILLE. THESE STORMS WERE DRIFTING SLOWLY TO THE WEST BUT HAD BECOME NEARLY STATIONERY THE LAST FIFTEEN MINUTES...MEANING RAPID PONDING OF WATER ON THE HIGHWAYS AND VERY DANGEROUS DRVING CONDITIONS. STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTING STRIKES WILL ALSO ACCOMPANY THESE STORMS FOR THE NEXT HOUR OR TWO. MOTORISTS ARE ADVISED TO DRIVE WITH EXTREME CAUTION AND TO ANTICIPATE TRAFFIC SLOWDOWNS THROUGH MARION COUNTY. RESIDENTS IN THE WEST HALF OF THE COUNTY SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND BE READY TO SEEK SAFE SHELTER...PAYING CLOSE HEED TO LIGHTNING SAFETY RULES.
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.