Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 10, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 6, 1992, 2:16 PM EDT for Collier County, Florida. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Aug 6, 1992, 2:16 PM EDT (18:16 UTC)
- Expired
- Aug 6, 1992, 3:15 PM EDT
- In force
- 59 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, 6.3 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
- 14 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 10 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 061818 SVRMIA FLC021-061915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 216 PM EDT THU AUG 6 1992 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 315 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST FLORIDA ...WESTERN COLLIER COUNTY AND FOR BOATERS ON THE COASTAL WATERS FROM ...EVERGLADES CITY TO BONITA BEACH AT 205 PM RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM ABOUT 5 MILES EAST OF NAPLES FLORIDA MOVING NORTHWEST AT ABOUT 15 MPH. AT THIS PRESENT MOVEMENMT THIS THUNDERSTORM WILL MOVE VERY CLOSE TO NAPLES THEN OUT INTO THE NORTHWEST COLLIER COUNTY COASTAL WATERS WITHIN THE NEXT FEW MINUTES. PERSONS IN WESTERN COLLIER AND THE ADJOINING COASTAL WATERS SHOULD BE ALERT FOR POSSIBLE STRONG WIND GUSTS...DANGEROUS LIGHTNING STRIKES AND VERY HEAVY RAINFALL. IN SCHOOL...WHEREVER POSSIBLE...FOLLOW SEVERE WEATHER PLANS OR MOVE TO AN INTERIOR HALLWAY AWAY FROM WINDOWS. IN ANY CIRCUMSTANCE...DO NOT REMAIN IN THE CAFETERIA OR GYMNASIUM BUT SEEK SHELTER ELSEWHERE IN THE SCHOOL. 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 YOzUR CREW ARE WEARING 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, Aug 6, 12:03 PM EDT, 2 hours 13 minutes before
FLZ020-020-061600- SPECIAL WEATHER AND MARINE STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1200 PM EDT THU AUG 6 1992 AT 1200 NOON EDT...STRONG THUNDERSTORMS WERE DEVELOPING OVER ST LUCIE AND NORTHERN MARTIN COUNTIES AND THE ADJACENT COASTAL WATERS. ANOTHER STRONG THUNDERSTORM WAS JUST OFFSHORE FROM BOYTON BEACH. THESE THUNDERSTORMS WERE MOVING NORTHWEST AT 1O MILES AN HOUR. RESIDENTS OF PALM BEACH...MARTIN AND ST LUCIE COUNTIES AND MARINERS OPERATING IN THE ADJACENT COASTAL WATERS SHOULD BE ALERT FOR THESE THUNDERSTORMS OVER THE REMAINDER OF THE AFTERNOON. THESE THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL WITH SOME FLOODING OF LOW LYING AREAS... BRIEF STRONG WIND GUSnTS...DEADLY LIGHTNING AND SOME SMALL HAIL. MARINERS SHOULD SEEK A SAFE HARBOR AS THUNDERSTORMS APPROACH THEIR LOCATION. NNNN
Special weather statement, Aug 6, 1:19 PM EDT, 57 minutes before
FLZ018-061815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 119 PM EDT THU AUG 6 1992 ...STRONG THUNDERSTORMS IN SOUTHWESTERN COLLIER COUNTY... AT 110 PM RADAR INDICATED TWO STRONG THUNDERSTORMS OVER SOUTHWESTERN COLLIER COUNTY. ONE WAS JUST SOUTH OF EVERGLADES CITY AND THE SECOND ONE WAS NEAR COPELAND. BOTH OF THESE STORMS WERE MOVING NORTHWEST ABOUT 15 MPH AND WILL BE MOVING INTO THE MARCO AND NAPLES AREA AROUND 2 PM. GUSTY 6WINDS...LOCALLY HEAVY RAIN...AND FREQUENT LIGHTNING CAN BE EXPECTED AS THESE STORMS MOVE TOWARD THE COAST.
Special weather statement, Aug 6, 1:50 PM EDT, 26 minutes before
FLZ015>023-061845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 150 PM EDT THU AUG 06 1992 ...STRONG THUNDERSTORMS OVER HENDRY AND CENTRAL COLLIER COUNTIES... AT 125 PM MIAMI RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS OVER THE SOUTHWESTERN PENINSULA BETWEEN COPELAND...LA BELLE AND CLEWISTON. THESE STORMS WERE MOVING NORTHWEST AT 15 MILES AN HOUR. THESE STORMS MAY CONTAIN STRONG GUSTY WINDS...LIGHTNING STRIKES...POSSIBLE HAIL AND REDUCED VISIBILITIES IN DOWNPOURS OF VERY HEAVY RAIN. RESIDENTS SHOULD SEEK SHELTER IN THREATENING WEATHER APPROACHES AND MOTORISTS SHOULD BE ALERT FOR STANDING WATER ON POORLY DRAINED ROADWAYS. ELSEHERE...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING OVER THE WESTERN BAHAMAS AND EXTENDED OVER THE ATLANTIC AND THE FLORIDA PENINSULA SOUTH OF A MELBORNE...CAPTIVA LINE. THIS ACTIVITY WAS ALSO OVER THE CAY SAL BANK AND SPREAD OVER THE STRAITS OF FLORIDA AND THE LOWER KEYS TO 70 MILES NORTH OF THE DRY TORTUGAS. MOVEMENT WAS WEST NORTHWEST AT 10 TO 15 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 58 THOUSAND FEET...LOCATED 10 MILES SOUTH OF MOORE HAVEN.
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.