Alert archive / Florida / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 3, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Mar 10, 1986, 3:45 PM EST for Broward County, Miami-Dade County, Florida. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Mar 10, 1986, 3:45 PM EST (20:45 UTC)
- Expired
- Mar 10, 1986, 4:45 PM EST
- In force
- 60 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Broward County, FL, Miami-Dade County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 8.8 hours before the alert went out and 193 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
- 99 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 251 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 102045 SVRMIA FLC011-025-102145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 345 PM EST MON MAR 10 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 445 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST FLORIDA...BROWARD..DADE ...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE COUNTY JUST MENTIONED A LINE OF THUNDERSTORMS NEAR THE DADE AND BROWARD BORDER IS MOVING SLOWLY SOUTH. GOLFBALL SIZE HAIL..DAMAGING WINDS..AND FREQUENT LIGHTNING MAY ACCOMPANY THESE THUNDERSTORMS DURING THE NEXT HOUR. IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO OA SAFE PLACE IMMEDIATELY..AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
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
Local storm report, Mar 10, 2:13 PM EST, 1 hour 32 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MIAMI FL 215 PM EST MON MAR 10 1986 BETWEEN 900 AND 1000 AM EST STRONG THUNDERSTORM WINDS OVERTURNED 8 EMPTY BOX CARS NEAR CLEWISTON FL. SEVERAL WATERSPOUTS OBSERVED BY AIRCRAFT OVER LAKE OKEECHOBEE AROUND SAME TIME.
Special weather statement, Mar 10, 2:41 PM EST, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 235 PM EST MON MAR 10 1986 THE SEVERE THUNDERSTORM AND SPECIAL MARNINE WARNING EXPIRED AT 230 PM FOR NORTHERN BROWARD COUNTY AND THE ADJACENT COASTAL WATERS. AT 235 PM WIDELY SCATTERED VERY HEAVY THUNDERSTORMS CONTINUED FROM FORT MYERS AND VERO BEACH SOUTH TO DADE COUNTY. THE AREA EXTENDED EAST ACROSS THE FLORIDA STRAITS TO THE NORTHERN AND WESTERN BAHAMAS. THE STORMS EMBEDDED IN THIS RAIN AREA WERE LOCATED FROM NORTHERN BROWARD AND SOUTHERN BROWARD COUNTIES EAST TO DELRAY BEACH AND THE ADJACENT ATLANTIC WATERS AND IN THE SOUTHEAST DADE COUNTY COASTAL WATERS. THE AREA CONTINUED TO MOVE NORTHEAST AT 15 MILES AN HOUR.
Special weather statement, Mar 10, 2:48 PM EST, 57 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 235 PM EST MON MAR 10 1986 THE SEVERE THUNDERSTORM AND SPECIAL MARNINE WARNING EXPIRED AT 230 PM FOR NORTHERN BROWARD COUNTY AND THE ADJACENT COASTAL WATERS. AT 235 PM WIDELY SCATTERED VERY HEAVY THUNDERSTORMS CONTINUED FROM FORT MYERS AND VERO BEACH SOUTH TO DADE COUNTY. THE AREA EXTENDED EAST ACROSS THE FLORIDA STRAITS TO THE NORTHERN AND WESTERN BAHAMAS. THE STORMS EMBEDDED IN THIS RAIN AREA WERE LOCATED FROM NORTHERN BROWARD AND SOUTHERN PALM BEACH COUNTIES EAST TO DELRAY BEACH AND THE ADJACENT ATLANTIC WATERS AND IN THE SOUTHEAST DADE COUNTY COASTAL WATERS. THE AREA CONTINUED TO MOVE NORTHEAST AT 15 MIL ES AN HOUR.
Local storm report, Mar 10, 3:18 PM EST, 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
315 PM EST MON MAR 10 1986
222PM...1 PERSON STRUCK BY LIGHTNING AT METRO ZOO (SW DADE). INJURIES
UNKNOWN.
245PM...METRO DADE POLICE REPORTE<D A FUNNEL CLOUD AT SW 288 ST (NEAR
HOMESTEAD). FUNNEL CLOUD DISSIPATED.
300PM...GOLF BALL SIZE HAIL REPORTED AT SAGA BAY (S DADE) BY OLD
CUTLER ROAD/SOUTH OF EUREKA ROAD.The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 1:35 PM EST | Severe Thunderstorm Warning | MFL | Broward | 55 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1986Every severe thunderstorm warning in 1986
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.