Alert archive / Florida / Tornado Warnings in 1986

Tornado Warning 6, NWS Miami, FL

June 7, 1986Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jun 7, 1986, 7:53 AM EDT for Miami-Dade County, Florida. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1986, 7:53 AM EDT (11:53 UTC)
Expired
Jun 7, 1986, 9:00 AM EDT
In force
67 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 00:00Z, 11.9 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.

Skew-T log-pSkew-T log-p diagram, Key West, FL at 00:00Z on 1986-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Key West, FL at 00:00Z on 1986-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1821 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 071153
TORMIA
FLC025-071300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
753 AM EDT SAT JUN 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL 
MARINE WARNING EFFECTIVE UNTIL 900 AM EDT FOR PEOPLE IN THE 
FOLLOWING COUNTY OF

SOUTHEAST FLORIDA...EASTERN DADE
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED

 A WATERSPOUT WAS REPORTED BY A BOATER OVER BASCAYNE BAY MOVING
 NORTHEAST. THIS PATH MAY TAKE THE WATERSPOUT OVER KEY BISCAYNE.

THIS STORM IS ACCOMPANIED BY FREQUENT AND INTENSE LIGHTNING AND
STRONG GUSTY WIND.

THIS STORM IS ACCOMPANIED BY FREQUENT AND INTENSE LIGHTNING AND
STRONG GUSTY WIND WITH LOCALLY HIGH SEAS.

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.

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 5:41 PM EDTSevere Thunderstorm WarningMFLMiami-Dade64 min

Nearby

Tornado Warnings in Florida, 1986Every tornado warning in 1986Tornadoes 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.