Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 8, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 2, 1992, 5:06 PM EDT for Collier County, Florida. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1992, 5:06 PM EDT (21:06 UTC)
- Expired
- Aug 2, 1992, 7:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Collier County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 9.1 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
- 1949 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 19 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 022109 SVRMIA FLC021-022315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 506 PM EDT SUN AUG 2 1992 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST FLORIDA ...SOUTHWESTERN COLLIER COUNTY AND FOR BOATERS ON THE COASTAL WATERS FROM ...BONITA BEACH TO EVERGLADES CITY RADAR INDICATES TWO VERY STRONG THUNDERSTORMS OVER SOUTHWEST COLLIER COUNTY AT 505 PM EDT. THESE THUNDERSTORMS WERE JUST TO THE WEST OF EVERGLADES CITY AND COPELAND TO ABOUT 5MILES EAST OF MARCO ISLAND. THESE THUNDERSTORMS ARE MOVING TOWARD THE WEST AT 5 MPH. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES. A MOBILE HOME IS NOT A SAFE REFUGE FROM A SEVERE THUNDERSTORM...MOVE TO A MORE SUBSTANTIAL BUILDING. 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 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 2, 1:42 PM EDT, 3 hours 24 minutes before
FLZ020-020-021830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 140 PM EDT SUN AUG 02 1992 ...A COUPLE OF VERY STRONG THUNDERSTORMS OVER MARTIN AND ST LUCIE COUNTIES... AT 135 PM EDT WEATHER SERVICE RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 8 MILES WEST OF HOBE SOUND IN EASTERN MARTIN COUNTY AND ANOTHER STRONG THUNDERSTORM OVER SOUTHEASTERN ST LUCIE COUNTY...ABOUT 6 MILES NORTHWEST OF STUART. THESE STORMS HAD DEVELOPED DURING THE PAST HOUR AND WERE MOVING TO THE WEST AT ABOUT 8 MILES AN HOUR. BOTH OF THESE STORM ARE CAPABLE OF STRONG GUSTY WINDS...DANGEROUS LIGHTNING STRIKES AND VERY HEAVY DOWNPOURS. RESIDENTS SHOULD STPAY ALERT FOR THE APPROACH OF THREATENING WEATHER AND TAKE SHELTER IMMEDIATELY IF THREATENING WEATHER APPROACHES. DO NOT SEEK SHELTER UNDER TREES. NNNN
Special weather statement, Aug 2, 4:52 PM EDT, 14 minutes before
FLZ015>023-022150- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 450 PM EDT SAT AUG 01 1992 ...STRONG THUNDERSTORMS ARE OVER NORTHERN HENDRY...SOUTHERN GLADES AND SOUTHWESTERN COLLIER COUNTIES... AT 425 PM MIAMI RADAR INDICATED STRONG THUNDERSTORMS OVER NORTH CENTRAL HENDRY AND SOUTH CENTRAL GLADES COUNTY MOVING WEST NEAR 12 MILES AN HOUR. AN ADDITIONAL CLUSTER OF STRONG THUNDERSTORMS WAS NEARLY STATIONARY OVER EXTREME SOUTHWESTERN COLLIER COUNTY. RESIDENTS IN THESE AREAS OF SOUTH FLORIDA NEED TO BE ALERT FOR STRONG GUSTY WINDS...REDUCED VISIBILITIES IN VERY HEAVY RAIN AND FREQUENT LIGHTNING STRIKES. DUE TO THE SLOW MOVEMENT OF SOME OF THESE STORMS...MOTORISTS NEED TO BE AWARE OF THE POTENTIAL FOR FLOODING OF POORLY DRAINED PORTIONS OF ROADWAY. MARINE INTERESTS OFFSHORE SOUTHWESTERN COLLIER COUNTY NEED TO BE ALERT FOR DETERIORATING WEATHER CONDITIONS AS THE INLAND STORMS MAY DRIFT OFFSHORE DURING THE NEXT HOUR. THESE STORMS WERE PART OF AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS WHICH COVERED MUCH OF THE SOUTH FLORIDA PENINSULA. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS COVERED THE KEYS...THE ATLANTIC COASTAL WATERS...AND THE NORTHExRN AND WESTERN BAHAMAS. MANY OF THE THUNDERSTORMS WERE PRODUCING LOCALLY VERY HEAVY RAINFALL. MOVEMENT WAS GENERALLY WEST AT 10 TO 15 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 50 THOUSAND FEET...LOCATED 10 MILES WEST OF CLEWISTON.
Special weather statement, Aug 2, 4:54 PM EDT, 12 minutes before
FLZ015>023-022150- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION TO DATE NATIONAL WEATHER SERVICE MIAMI FL 450 PM EDT SUN AUG 02 1992 ...STRONG THUNDERSTORMS ARE OVER NORTHERN HENDRY...SOUTHERN GLADES AND SOUTHWESTERN COLLIER COUNTIES... AT 425 PM MIAMI RADAR INDICATED STRONG THUNDERSTORMS OVER NORTH CENTRAL HENDRY AND SOUTH CENTRAL GLADES COUNTY MOVING WEST NEAR 12 MILES AN HOUR. AN ADDITIONAL CLUSTER OF STRONG THUNDERSTORMS WAS NEARLY STATIONARY OVER EXTREME SOUTHWESTERN COLLIER COUNTY. RESIDENTS IN THESE AREAS OF SOUTH FLORIDA NEED TO BE ALERT FOR STRONG GUSTY WINDS...REDUCED VISIBILITIES IN VERY HEAVY RAIN AND FREQUENT LIGHTNING STRIKES. DUE TO THE SLOW MOVEMENT OF SOME OF THESE STORMS...MOTORISTS NEED TO BE AWARE OF THE POTENTIAL FOR FLOODING OF POORLY DRAINED PORTIONS OF ROADWAY. MARINE INTERESTS OFFSHORE SOUTHWESTERN COLLIER COUNTY NEED TO BE ALERT FOR DETERIORATING WEATHER CONDITIONS AS THE INLAND STORMS MAY DRIFT OFFSHORE DURING THE NEXT HOUR. THESE STORMS WERE PART OF AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS WHICH COVERED MUCH OF THE SOUTH FLORIDA PENINSULA. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS COVERED THE KEYS...THE ATLANTIC COASTAL WATERS...AND THE NORTHERN AND WESTERN BAHAMAS. MANY OF THE THUNDERSTORMS WERE PRODUCING LOCALLY VERY HEAVY RAINFALL. MOVEMENT WAS GENERALLY WEST AT 10 TO 15 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 50 THOUSAND FEET...LOCATED 10 MILES WEST OF CLEWISTON.
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.