Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 7, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 31, 1992, 4:07 PM EDT for Broward County, Florida. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1992, 4:07 PM EDT (20:07 UTC)
- Expired
- Jul 31, 1992, 5:15 PM EDT
- In force
- 68 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Broward County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 8.1 hours before the alert went out and 218 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
- 1195 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 5 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 312009 SVRMIA FLC011-312115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 407 PM EDT FRI JUL 31 1992 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST FLORIDA ...NORTHEASTERN BROWARD COUNTY NATIONAL WEATHER SERVICE RADAR HAS INDICATED A SEVERE THUNDERSTORM JUST NORTH OF THE CITIES OF CORAL SPRINGS AND MARGATE IN NORTHEASTERN BROWARD COUNTY. THIS STORM WAS SLOWLY MOVING TO THE SOUTHWEST AT 7 MPH. THIS STORM WAS WEST OF I-95 AND E OF U.S. 27. RESIDENTS AND MOTORISTS BETWEEN THESE TWO HIGHWAYS CAN EXPECT HEAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL. 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.
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 31, 1:02 PM EDT, 3 hours 5 minutes before
FLZ022-311800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 101 PM EDT FRI JUL 31 1992 AT 100PM EDT RADAR SHOWED A LINE OF BUILDING THUNDERSTORMS OVER THE WESTERN PORTIONS OF METROPOLITAN DADE AND BROWARD COUNTIES. THE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAIN...SMALL HAIL...GUSTY WINDS AND CLOUD TO GROUND LIGHTNING. THE LINE IS FORECAST TO MOVE WESTWARD INTO THE MORE SPARSELY POPULATED AREAS OF THE EAST EVERGLADES DURING THE NE6XT HOUR.
Special weather statement, Jul 31, 2:47 PM EDT, 1 hour 20 minutes before
FLZ015>023-311845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 245 PM EDT FRI JUL 31 1992 ...STRONG THUNDERSTORMS ARE OVER DADE AND COLLIER COUNTIES... AT 227 PM MIAMI RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS OVER WESTERN METRO DADE COUNTY. ANOTHER AREA OF STORNG THUNDERSTORMS WAS OVER WEST CENTRAL COLLIER COUNTY. MOTORISTS AND PERSONS IN THESE AREAS SHOULD BE ALERT FOR STRONG GUSTY WINDS...REDUCED VISIBILITIES IN PERIODS OF VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING...AS WELL AS WATER COLLECTING ON POORLY DRAINED SECTIONS OF THE ROADWAY. THE STORMS OVER DADE COUNTY WERE DRIFTING SOUTHWEST WHILE THE STORMS OVER COLLIER COUNTY WERE DRIFTING EAST. ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER THE SOUTHERN PENINSULA...SOUTH OF A STUART...LAKE PALCID LINE. MOST OF THE ACTIVITY WAS CONCENTRATED ALONG THE EAST AND WEST COASTS. THIS ACTIVITY EXTENDED EAST OVER THE ATLANTIC TO GRAND BAHAMA ISLAND. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN...WERE OVER THE LOWER FLORIDA KEYS. THESE EXTENDED SOUTH OVER THE FLORIDA STRAITS FOR 40 MILES. MOVEMENT WAS SOUTHWdEST AT 5 TO 10 MILES AN HOUR EXCEPT FOR THE ACTIVITY ALONG THE WEST COAST WHICH WAS MOVING EAST AT ABOUT 5 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 49 THOUSAND FEET...LOCATED 15 MILES WEST OF HOMESTEAD.
Special weather statement, Jul 31, 3:41 PM EDT, 26 minutes before
FLZ015>023-312040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 340 PM EDT FRI JUL 31 1992 ...STRONG THUNDERSTORMS ARE OVER PARTS OF THE SOUTHERN PENINSULA... AT 325 PM MIAMI RADAR INDICATED A STRONG THUNDERSTORM OVER THE NORTHEAST CORNER OF BROWARD COUNTY. ALSO...STRONG STORMS WERE OVER WESTERN GLADES...HENDRY...AND CENTRAL COLLIER COUNTY. A FUNNEL CLOUD WAS REPORTED WITH THE STORM OVER NORTHEAST BROWARD COUNTY. MOTORISTS AND PERSONS IN THESE AREAS SHOULD BE ALERT FOR STRONG GUSTY WINDS...REDUCED VISIBILITIES IN PERIODS OF VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING...AS WELL AS WATER COLLECTING ON POORLY DRAINED SECTIONS OF THE ROADWAY. THE STORMS OVER THE WESTERN PART OF THE PENINSULA WERE MOVING EAST AT LESS THAN 5 MILES AN HOUR. THE STORM OVER BROWARD COUNTY WAS MOVING SOUTHWEST AT 5 TO 10 MILES AN HOUR. ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER SOUTHWEST DADE AND SOUTHEAST MAINLAND MONROE COUNTIES. SHOWERS AND THUNDERSTORMS WERE ALONG THE EAST COAST FROM JENSEN BEACH TO PALM BEACH. MOVEMENT WAS SOUTHWEST AT 5 TO 10 MILES AN HOUR EXCEPT FOR THE ACTIVITY ALONG THE WEST COAST WHICH WAS MOVING EAST AT ABOUT 5 MILES AN HOUR. THE MAXIMUM PRECIPITATION TOP WAS 52 THOUSAND FEET...LOCATED JUST WEST OF POMPANO BEACH.
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.