Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 2, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 4, 1992, 6:20 PM EDT for Collier County, Florida. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1992, 6:20 PM EDT (22:20 UTC)
- Expired
- Jul 4, 1992, 7:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Collier County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 10.3 hours before the alert went out and 174 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 8 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 KMIA 042222 SVRMIA FLC021-042315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 620 PM EDT SAT JUL 4 1992 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST FLORIDA ...WESTERN COLLIER COUNTY AND THE ADJACENT COASTAL WATERS ALONG THE SOUTHWEST FLORIDA COAST AT 620 PM EDT WEATHER SERVICE RADARS FROM BOTH TAMPA AND MIAMI OBSERVED A SEVERE THUNDERSTORM ABOUT 10 MILES EAST OF NAPLES. THIS THUNDERSTORM IS MOVING SOUTH AT 10 TO 15 MPH TOWARDS MARCO ISLAND AND EVERGLADES CITY. THUNDERSTORMS THREATEN BOATER SAFETY WITH GUSTY WINDS OF 35 KNOTS OR GREATER...ROUGH SEAS AND LIGHTNING. YOUR BEST COURSE OF ACTION IS TO SEEK SAFE HARBOR...BUT IF YOU ARE CAUGHT ON THE OPEN WATER... STAY BELOW DECK AND AWAY FROM UNGROUNDED METAL OBJECTS. MAKE SURE YOU AND ALL YOUR CREW ARE WEARINDG FLOTATION DEVICES.
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 4, 4:46 PM EDT, 1 hour 34 minutes before
FLZ015>023-042145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 445 PM EDT SAT JUL 4 1992 ...STRONG THUNDERSTORMS WERE BUILDING OVER EASTERN BROWARD COUNTY... AT 433 PM RADAR INDICATED CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN FORMING OVER THE EASTERN THIRD OF BROWARD COUNTY. THESE THUNDERSTORMS EXTENDED FROM GOLDEN BEACH IN NORTHERN DADE COUNTY NORTH TO INTERIOR PALM BEACH COUNTY BETWEEN JUPITER AND THE EASTERN SHORE OF LAKE OKEECHOBEE. MOTORISTS AND OTHER CONCERNED INTERESTS IN EASTERN BROWARD AND NORTHEASTERN DADE COUNTIES SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY WILL SHARPLY REDUCE VISIBILITIES IN PERIODS OF VERY HEAVY RAINS...BE ACCOMPANIED BY FREQUENT LIGHTNING STRIKES... STRONG GUSTY WINDS AND CAUSE PONDING OF WATER ON POOR DRAINAGE ROADWAYS. DURING THE NEXT FEW HOURS. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE WEST CENTRAL AREAS OF THE STATE FROM CAPE ROMANO NORTHEAST TO THE WESTERN SHORE OF LAKE OKEECHOBEE AND OVER PUNTA GORDA. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTH AT ABOUT 15 MILE AN HOUR. OTHER SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER THE ATLANTIC FROM THE BIMINI ISLANDS TO THE BERRY ISLANDS AND ANDROS ISLAND AND BEYOND 125 MILES FROM THE MIAMI RADAR. THIS AREA OF SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHWEST AT 10 TO 15 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 47 THOUSAND FEET ...v LOCATED OVER THE CITY OF FORT LAUDERDALE.
Special weather statement, Jul 4, 5:13 PM EDT, 1 hour 7 minutes before
FLZ020-019-042315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 513 PM EDT SAT JUL 4 1992 AT 5:10 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED VERY STRONG THUNDERSTORMS OVER CERNTRAL PALM BEACH COUNTY IN THE AREA OF WELLINGTON. THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 10 TO 15 MILES AN HOUR. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING...VERY HEAVY DOWNPOURS...REDUCED VISIBILITIES AND THE PONDING OF WATER ON ROADWAYS. RESIDENTS AND MOTORISTS TRAVELING IN CENTRAL AND EASTERN PALM BEACH COUNTY SHOULD BE ALERT TO THESE THUNDERSTORM OVER THE NEXT ONE TO TWO HOURS. IF THREATENING WEATHER APPROACHES YOUR LOCATION SEEK A SAFE SHELTER IMMEDIATELY. MOTORISTS ARE URGED TO USE CAUTION AND SLOW DOWN AND ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS SAFELY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV OR RADIO STATION FOR FURTHER STATEMENTS AND OR WARNINGS SHOULD THEY BECOME NECESSARY. NNNN
Special weather statement, Jul 4, 5:46 PM EDT, 34 minutes before
FLZ015>023-042245-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIAMI FL
545 PM EDT SAT JUL 4 1992
...STRONG THUNDERSTORMS CONTINUE BUILDING OVER BOTH GULF AND ATLANTIC COASTS
OF SOUTHERN PENINSULA...
AT 531 PM RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS OVER COLLIER COUNTY
ABOUT 10 MILES EAST OF NAPLES... OTHER STRONG THUNDERSTORMS WERE FORMING OVER
THE PENINSULA NORTH OF A EVERGLADES CITY/CITY OF MIAMI LINE... RESIDENTS AND
MOTORISTS ON SOUTH FLORIDA ROADWAYS CAN EXPECT SHARPLY REDUCED VISIBILITIES IN
PERIODS OF LOCALLY HEAVY RAINFALL...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES
AND SMALL HAIL IS ALSO POSSILBE WITH THE STRONGER THUNDERSTORMS...ROADWAYS
COULD ALSO ACCUMULATE POCKETS OF STANDING WATER IN LOW LYING POOR DRAINAGE
LOCATIONS...STRONG GUSTY WINDS WILL ALSO BE ACCOMPANING THESE THUNDERSTORMS.
ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER THE ATLANTIC
FROM THE BIMINI ISLANDS EAST TO BEYOND 125 MILES FROM THE MIAMI RADAR
THUNDERSTORM MOVEMENT WAS SOUTH AT 10 TO 15 MILES AN HOUR.
THE MAXIMUM PRECIPITATION TOP WAS 57 THOUSAND FEET ... LOCATED OVER COLLIER
COUNTY 10 MILES EAST OF NAPLES.The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:50 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 55 min |
| Jul 4, 7:03 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 42 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.