Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 1, NWS Key West, FL
NWS Key West, FL issued this severe thunderstorm warning at Jul 4, 1992, 7:30 PM EDT for Monroe County, Florida. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1992, 7:30 PM EDT (23:30 UTC)
- Expired
- Jul 4, 1992, 8:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Key West, FL
- Area
- Whole counties
County Monroe County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 11.5 hours before the alert went out and 137 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 KEYW 042332
SVREYW
FLC087-050030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
730 PM EDT SAT JUL 4 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 830 PM EST FOR PERSONS IN THE
FOLLOWING COUNTY IN
SOUTH FLORIDA...MAINLAND MONROE
.
A SEVERE THUNDERSTORM WAS SHOWN ON RADAR IN THE NORTHEAST CORNER OF MAINLAND
MONROE COUNTY OR ABOUT 25 MILES SOUTHEAST OF EVERGLADES CITY AT 725 PM EDT.
MOVEMENT AT THE TIME WAS SOUTH AND SOUTHWEST AT 25 MILES AN HOUR.
SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS PAST 60 MILES AN
HOUR...VERY HEAVY RAINS...CLOUD TO GROUND LIGHTNING AND POSSIBLE HAIL.
.
IF THREATENING WEATHER APPROACHES STAY AWAY FROM TALL ISOLATED
TREES. SEEK SHELTER UNDER A THICK GROWTH OF SMALL TREES. GET OFF AND
AWAY FROM ANY OPEN WATER.
STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION F ROM THE
NATAIONAL WEATHER SERVICE.
/5What 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, 6:39 PM EDT, 51 minutes before
FLZ021-050040-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
638 PM EDT SAT JUL 4 1992
...STRONG THUNDERSTORMS MOVING THROUGH THE SOUTHWEST EVERGLADES...
NATIONAL WEATHER SERVICE RADAR AT 625 PM EDT WAS SHOWING CLUSTERS OF
STRONG THUNDERSTORMS MOVING INTO AND THROUGH MAINLAND MONROE COUNTY...
AS WELL AS THE NEARBY OFFSHORE WATERS. MOVEMENT AT THE TIME WAS SOUTH...
WITH THE ACTIVITY OVER LAND MOVING SOUTH AT 15 TO 20 MILES AN HOUR...
WHILE THE STORMS OVER THE WATER WERE MOVING SOUTH AT 5 TO 10 MILES AN HOUR.
THUNDERSTORMS ACROSS MAINLAND MONROE COUNTY AND THE NEARBY OFFSHORE WATERS
THIS EVENING ARE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING STRIKES...
VERY HEAVY RAINS...AND WIND GUSTS TO AS HIGH AS 30 KNOTS (35 MILES AN HOUR).
IF YOU ARE IN THESE AREAS DURING THIS EVENING YOU ARE URGED TO
SEEK SAFE SHELTER IMMEDIATELY IF STORMS APPROACH. IF YOU CAN'T GET
INSIDE...STAY AWAY FROM TALL ISOLATED TREES. SEEK SHELTER UNDER A
THICK GROWTH OF SMALL TREES. GET OFF AND AWAY FROM ANY OPEN WATER.
MARINERS ARE URGED TO STEER CLEAR OF THESE DANGEROUS STORMS...AND TO
KEEP AWAY FROM UNGROUNDED METAL OBJECTS IF CAUGHT IN A STORM. HEAVY RAINS
CAN REDUCE VISIBILITIES TO NEAR ZERO...AND THE STRONG WINDS WILL RESULT
IN ROUGH SEAS.
STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION FROM THE
NATIONAL WEATHER SERVICE IN KEY WEST.
/5Special weather statement, Jul 4, 6:59 PM EDT, 31 minutes before
FLZ023-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KEY WEST FL 658 PM EDT SAT JUL 4 1992 ...THUNDERSTORMS HEADING TOWARDS THE MIDDLE AND UPPER KEYS. STRONG THUNDERSTORMS THAT DEVELOPED ACROSS THE MAINLAND OF FLORIDA THIS AFTERNOON AND ERALIER THIS EVENING WERE FOUND MOVING TOWARDS THE MIDDLE AND UPPER KEYS AS OF 700 PM. THIS ACTIVITY WILL PROBABLY HOLD TOGETHER UNTIL AROUND OR SHORTLY AFTER SUNSET. IF YOU ARE IN THE MIDDLE AND UPPER KEYS BETWEEN NOW AND 900 PM EDT...YOU SHOULD BE ALERT FOR THE POSSIBILITY OF STRONG THUNDERSTORMS. ANY OF WHICH ARE CAPABLE OF PRODUCING WIND GUSTS TO NEAR 35 MILES AN HOUR...CLOUD TO GROUND LIGHTNING STRIKES...AND VERY HEAVY RAINS. THE HEAVY RAINS CAN RESULT IN POOR VISIBILITIES AND THE PONDING OF RAINWATER...AS WELL AS ACCUMULATE IN DOCKED BOATS. . IF YOU ARE DRIVING EARLY TONIGHT...DO NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. ALLOW FOR EXTRA BRAKING DISTANCE DUE TO THE WET PAVEMENT..AND DRIVE EXTRA CAFEFULLY IF YOU GO THROUGH AREAS OF REDUCED VISIBILITIES. IF THUNDERSTORMS ARE NEAR YOUR HOME...YOU SHOULD REFRAIN FROM USING ANY ELECTRICAL APPLIANCES...INCLUDING THE TELEPHONE. BOAT OWNERS SHOULD CHECK TO MAKE SURE THEIR PUMPS FOR THEIR BOATS ARE IN WORKING ORDER. STAY TUNED TO THIS STATION FOR THE LASTEST INFROMATION FROM THE NATIONAL WEATHER SERVICE IN KEY WEST. /5
Special weather statement, Jul 4, 7:03 PM EDT, 27 minutes before
FLZ023-290100- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE KEY WEST FL 658 PM EDT SAT JUL 4 1992 ...THUNDERSTORMS HEADING TOWARDS THE MIDDLE AND UPPER KEYS. STRONG THUNDERSTORMS THAT DEVELOPED ACROSS THE MAINLAND OF FLORIDA THIS AFTERNOON AND EARLIER THIS EVENING WERE FOUND MOVING TOWARDS THE MIDDLE AND UPPER KEYS AS OF 658 PM. THIS ACTIVITY WILL PROBABLY HOLD TOGETHER UNTIL AROUND OR SHORTLY AFTER SUNSET. IF YOU ARE IN THE MIDDLE AND UPPER KEYS BETWEEN NOW AND 900 PM EDT...YOU SHOULD BE ALERT FOR THE POSSIBILITY OF STRONG THUNDERSTORMS. ANY OF WHICH ARE CAPABLE OF PRODUCING WIND GUSTS TO NEAR 35 MILES AN HOUR...CLOUD TO GROUND LIGHTNING STRIKES...AND VERY HEAVY RAINS. THE HEAVY RAINS CAN RESULT IN POOR VISIBILITIES AND THE PONDING OF RAINWATER...AS WELL AS ACCUMULATE IN DOCKED BOATS. . IF YOU ARE DRIVING EARLY TONIGHT...DO NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. ALLOW FOR EXTRA BRAKING DISTANCE DUE TO THE WET PAVEMENT..AND DRIVE EXTRA CAFEFULLY IF YOU GO THROUGH AREAS OF REDUCED VISIBILITIES. IF THUNDERSTORMS ARE NEAR YOUR HOME...YOU SHOULD REFRAIN FROM USING ANY ELECTRICAL APPLIANCES...INCLUDING THE TELEPHONE. BOAT OWNERS SHOULD CHECK TO MAKE SURE THEIR PUMPS FOR THEIR BOATS ARE IN WORKING ORDER. STAY TUNED TO THIS STATION FOR THE LASTEST INFROMATION FROM THE NATIONAL WEATHER SERVICE IN KEY WEST. /5
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.