Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 14, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 22, 1990, 5:50 PM EDT for Okeechobee County, Florida. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1990, 5:50 PM EDT (21:50 UTC)
- Expired
- Jun 22, 1990, 6:45 PM EDT
- In force
- 55 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Okeechobee County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.8 hours before the alert went out and 126 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
- 842 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- -41 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 KPBI 222145 SVRPBI FLC093-222245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WEST PALM BEACH FL 550 PM EDT FRI JUN 22 1990 THE NATIONAL WEATHER SERVICE IN WEST PALM BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR THE FOLLOWING LOCATIONS... IN SOUTH FLORIDA ...OKEECHOBEE COUNTY AT 550 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE COUNTY LINE BETWEEN HIGHLANDS AND OKEECHOBEE COUNTY. THIS THUNDERSTORM IS MOVING NORTHEAST AT 10 MPH. 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 A.LL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING.
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 22, 1:45 PM EDT, 4 hours 5 minutes before
FLZ011-221845- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 145 PM EDT FRI JUN 22 1990 ...STRONG THUNDERSTORMS MOVING INTO THE LEESBURG AREA... A CLUSTER OF STRONG THUNDERSTORMS WAS OVER SUMTER COUNTY NEAR BUSHNELL MOVING NORTHEAST 25 MPH. THESE THUNDERSTORMS SHOULD BE INTO THE LEESBU AREA WITHIN THE HOUR AND WILL CONTINUE NORTHEAST OVER NORTHERN LAKE CO THESE THUNDERSTORMS WILL PRODUCE FREQUENT LIGHTNING STRIKES...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL. PEOPLE SHOULD BE ALERT FOR THREATENING WEATHER AND SEEK SHELTER WHEN IT APPROACHES. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT.
Special weather statement, Jun 22, 1:50 PM EDT, 4 hours before
FLZ011-221845- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE...CORRECTED FOR TEXT NATIONAL WEATHER SERVICE MELBOURNE FL 149 PM EDT FRI JUN 22 1990 ...STRONG THUNDERSTORMS MOVING INTO THE LEESBURG AREA... A CLUSTER OF STRONG THUNDERSTORMS WAS OVER SUMTER COUNTY NEAR BUSHNELL MOVING NORTHEAST 25 MPH. THESE THUNDERSTORMS SHOULD BE INTO THE LEESBURG AREA WITHIN THE HOUR AND WILL CONTINUE NORTHEAST OVER NORTHERN LAKE COUNTY. THESE THUNDERSTORMS WILL PRODUCE FREQUENT LIGHTNING STRIKES...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL. PEOPLE SHOULD BE ALERT FOR THREATENING WEATHER AND SEEK SHELTER WHEN IT APPROACHES. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT.
Special weather statement, Jun 22, 2:50 PM EDT, 3 hours before
FLZ006>017-020-221745- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 145 PM EDT FRI JUN 22 1990 THIS IS A SPECIAL WEATHER STATEMENT FOR FLAGLER AND NORTH VOLUSIA COUNTIES AND THE ADJACENT COASTAL WATERS... STRONG THUNDERSTORMS CAPABLE OF PRODUCING STRONG GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING STRIKES...SMALL HAIL AND HEAVY RAINFALL AMOUNTS WERE MOVING INTO FLAGLER AND NORTH VOLUSIA COUNTIES. THE AREA WAS MOVING SOUTHEAST AT 15 MPH. RESIDENTS AND BOATERS SHOULD KEEP AN EYE ON THE SKY AND BE PREPARED TO TAKE SHELTER IF CONDITIONS BECOME THREATENING. ELSEWHERE...THUNDERSTORMS WITH VERY HEAVY RAIN COVERED MUCH OF NORTH FLORIDA FROM NEW PORT RICHEY NORTHEAST TO LEESBURG AND JACKSONVILLE AND WEST INTO THE FLORIDA PANHANDLE. THE AREA WAS MOVING SOUTHEAST 15 MPH.
Special weather statement, Jun 22, 3:50 PM EDT, 2 hours before
FLZ006>017-020-221845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 245 PM EDT FRI JUN 22 1990 THIS IS A SPECIAL WEATHER STATEMENT FOR FLAGLER AND VOLUSIA COUNTIES AND THE ADJACENT COASTAL WATERS. STRONG THUNDERSTORMS CAPABLE OF PRODUCING STRONG GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING STRIKES...SMALL HAIL AND HEAVY RAINFALL AMOUNTS WERE MOVING ACROSS FLAGLER AND NORTH VOLUSIA COUNTIES AND THE NEARBY COASTAL WATERS. OTHER STRONG THUNDERSTORMS WILL BE MOVING OVER CENTRAL VOLUSIA WITHIN THE HOUR. RESIDENTS AND BOATERS SHOULD KEEP AN EYE ON THE SKY AND BE PREPARED TO TAKE SHELTER IF CONDITIONS BECOME THREATENING. ELSEWHERE...THUNDERSTORMS WITH VERY HEAVY RAIN COVERED MUCH OF THE NORTH HALF OF THE FLORIDA PENINSULA FROM TAMPA NORTHEAST TO DAYTONA BEACH AND JACKSONVILLE AND NORTH INTO GEORGIA. THE AREA WAS MOVING SOUTHEAST AT ABOUT 10 MPH.
Special weather statement, Jun 22, 5:26 PM EDT, 24 minutes before
SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 525 PM EDT FRI JUN 22 1990 AT 520 PM A LINE OF STRONG THUNDERSTORMS HAD FORMED FROM JUST OFFSHORE OF NEW SMYRNA BEACH TO NEAR AVON PARK. THESE STORMS WERE PRODUCING LOCALLY HEAVY RAIN... GUSTY WINDS AND NUMEROUS CLOUD TO GROUND LIGHTNING STROKES. OVER THE NEXT HOUR...THIS LINE OF THUNDERSTORMS WILL CONTINUE TO MOVE EASTWARD AND BRING THESE WEATHER CONDITIONS TO BREVARD... SOUTHERN OSCEOLA AND INDIAN RIVER COUNTIES. THE LINE WILL THEN MOVE TO OVER THE COASTAL WATERS. LIGHTNING KILLS... ALL PERSONS ARE URGED TO TAKE PRECAUTIONS IN THIS WEATHER SITUATION.
Special weather statement, Jun 22, 5:32 PM EDT, 18 minutes before
FLZ016-017-222230 SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE ...CORRECTED WITH HEADER... NATIONAL WEATHER SERVICE MELBOURNE FL 525 PM EDT FRI JUN 22 1990 AT 520 PM A LINE OF STRONG THUNDERSTORMS HAD FORMED FROM JUST OFFSHORE OF NEW SMYRNA BEACH TO NEAR AVON PARK. THESE STORMS WERE PRODUCING LOCALLY HEAVY RAIN... GUSTY WINDS AND NUMEROUS CLOUD TO GROUND LIGHTNING STROKES. OVER THE NEXT HOUR...THIS LINE OF THUNDERSTORMS WILL CONTINUE TO MOVE EASTWARD AND BRING THESE WEATHER CONDITIONS TO BREVARD... SOUTHERN OSCEOLA AND INDIAN RIVER COUNTIES. THE LINE WILL THEN MOVE TO OVER THE COASTAL WATERS. LIGHTNING KILLS... ALL PERSONS ARE URGED TO TAKE PRECAUTIONS IN THIS WEATHER SITUATION.
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
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.