Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Miami, FL

August 3, 1992Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 3, 1992, 2:32 PM EDT for Broward County, Florida. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: Aug 3, 1992, 2:32 PM EDT (18:32 UTC)
Expired: Aug 3, 1992, 3:30 PM EDT
In force: 58 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, 6.5 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2584 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMIA 031834
SVRMIA
FLC011-031930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
232 PM EDT MON AUG 3 1992
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST FLORIDA
 
   ...EASTERN BROWARD COUNTY
 
 
AT 2:30 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM NEAR TAMARAC
MOVING SLOWLY SOUTHWEST. OTHER THUNDERSTORMS ARE DEVELOPING RAPIDLY IN
THE BROWARD COUNTY AREA AND PERSONS SHOULD BE ALERT FOR THREATENING
WEATHER OVER THIS AREA.
 
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN A SEVERE THUNDER6STORM. 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, Aug 3, 1:46 PM EDT, 46 minutes before

FLZ015>023-031945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIAMI FL
140 PM EDT MON AUG 03 1992

...STRONG THUNDERSTORM OVER SOUTHERN DADE COUNTY...

AT 128 PM MIAMI RADAR INDICATED A STRONG THUNDERSTORM THAT MOVED FROM FLORIDA
BAY AND EVERGLADES NATIONAL PARK TO 10 MILES WEST OF HOMESTEAD. THIS STORM MAY
CONTAIN FREQUENT LIGHTNING STRIKES...STRONG GUSTY WIND...REDUCED VISIBILITIES
IN PERIODS OF VERY HEAVY RAIN AND POSSIBLY SMALL HAIL. THE STORM WAS MOVING
NORTHWEST AT 10 MILES AN HOUR.

ELSEWHERE...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH VERY HEAVY
RAINFALL WERE 100 MILES SOUTHEAST OF THE MIDDLE KEYS AND SPREAD OVER THE
STRAITS OF FLORIDA...THE MIDDLE FLORIDA KEYS AND FLORIDA BAY.

SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE NORTHERN BAHAMAS AND
EXTENDED OVER THE ATLANTIC TO 15 MILES OFFSHORE DADE...BROWARD AND PALM BEACH
COUNTIES.

ISOLATED SHOWERS WERE DEVELOPING OVER THE SOUTHERN lPENINSULA SOUTH OF A HOBE
SOUND...BONITA SPRINGS LINE.

ISOLATED SHOWERS WERE OVER THE GULF OF MEXICO 20 TO 60 MILES SOUTHWEST OF CAPE
ROMANO.

THE MAXIMUM PRECIPITATION TOP WAS 58 THOUSAND FEET...LOCATED OVER SOUTHERN
DADE COUNTY.

Nearby

Severe Thunderstorm Warnings in Florida, 1992 Every 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.