Alert archive / Florida / Tornado Warnings in 1987
Tornado Warning 11, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 26, 1987, 3:42 PM EDT for Miami-Dade County, Florida. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Sep 26, 1987, 3:42 PM EDT (19:42 UTC)
- Expired
- Sep 26, 1987, 4:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County 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, 7.7 hours before the alert went out and 169 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
- 2928 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMIA 261942
TORMIA
FLC025-262045-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
342 PM EDT SAT SEP 26 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST FLORIDA
...EASTERN DADE
THE MIAMI BEACH PARTROL REPORTED A WATERSPOUT MOVED ONSHORE MIAMI
BEACH AT 46 STREET AT 340 PM.
IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A 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 tornado 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, Sep 26, 1:46 PM EDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 130 PM EDT SAT SEP 26 1987 AT 130 PM RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED TO DEVELOP BETWEEN CAPE SABLE...KEY LARGO ...AND OFFSHORE ELLIOT KEY. SOME OF THE STRONGEST THUNDERSTORMS ARE OVER SOUTHERN DADE COUNTY WHERE RESIDENTS AND BOATERS SHOULD BE ALERT FOR STRONG GUSTY WINDS...OCCASSIONAL LIGHTING STRIKES...HEAVY RAINFALL...AND ROUGH SEAS FOR THE NEXT COUPLE OF HOURS. THESE STORMS ARE MOVING EAST AT 5 MILES AN HOUR. ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN EXTENDEDS FROM THE SOUTHEAST GULF WATERS TO THE MIDDLE KEYS AND INTO THE ATLANTIC WATERS FROOM THE CAY SAL BANK TO THE BIMINI CHAIN. SCATTERED SHOWERS WERE DEVELOPING ALONG THE COAST FROM WEST PALM BEACH TO MIAMI. MOVEMENT WAS EAST AT 15 MILES AN HOUR.
Special weather statement, Sep 26, 2:47 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 225 PM EDT SAT SEP 26 1987 AT 225 PM RADAR INDICATED SHOWERS AND STRONG THUNDERSTORMS CONTINUED OVER DADE COUNTY. RESIDENTES AND BOATERS THROUGHOUT THE COUNTY SHOULD BE ALERT FOR HEAVY RAINFALL...STRONG GUSTY WINDS...OCCASSIONAL LIGHTING STRIKES...AND ROUGH SEAS. THE HEAVIEST OF THSE STORMS WERE FROM KENDALL SOUTHWARD TO FLORIDA CITY...RESIDENTS OF THESE AREAS CAN EXPECT SOME URBAN FLOODING AS THE STORMS MOVE SLOWLY EAST AT 5 MILES AN HOUR. ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN EXTENDED FROM THE SOUTHEAST GULF WATERS TO THE MIDDLE KEYS AND INTO THE FLORIDA STRAITS OFFSHORE ALLIGATOR REEF. MOVEMENT WAS EAST AT 5 MILES AN HOUR.
Special weather statement, Sep 26, 3:39 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 336 PM EDT SAT SEP 26 1987 AT 328 PM RADAR INDICATED SHOWERS AND STRONG THUNDERSTORMS CONTINUED OVER DADE COUNTY. RESIDENTES AND BOATERS THROUGHOUT THE COUNTY SHOULD BE ALERT FOR HEAVY RAINFALL...GUSTY WINDS...OCCASSIONAL LIGHTING STRIKES...AND ROUGH SEAS. SOME URBAN FLOODING IS OCCURRING AS THESE STORMS MOVE SLOWLY TO THE EAST AT 5 MILES AN HOUR. ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING OVER THE SOUTHEAST GULF WATERS AND LOWER KEYS...FROM EVERGLADES CITY TO NORTH OF LAKE OKEECHOBEE...AND OVER THE WESTERN BAHAMAS. MOVEMENT WAS EAST AT 5 MILES AN HOUR.
Nearby
Tornado Warnings in Florida, 1987Every tornado warning in 1987Tornadoes in 1987
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.