Alert archive / Florida / Tornado Warnings in 1989

Tornado Warning 4, NWS Miami, FL

September 12, 1989Collier County, Florida

NWS Miami, FL issued this tornado warning at Sep 12, 1989, 6:07 PM EDT for Collier County, Florida. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Sep 12, 1989, 6:07 PM EDT (22:07 UTC)
Expired
Sep 12, 1989, 6:45 PM EDT
In force
38 min
Issued by
NWS Miami, FL
Area
Whole counties

County Collier 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, 10.1 hours before the alert went out and 174 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 12:00Z on 1989-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1832 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 12:00Z on 1989-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
1832 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
-17 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 122212 COR
TORMIA
FLC021-122245-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING...CORRECTION
NATIONAL WEATHER SERVICE MIAMI FL
607 PM EDT TUE SEP 12 1989

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN SOUTHWEST FLORIDA
          ...WESTERN COLLIER

AND ADJOINING COASTAL WATERS BETWEEN CAPE ROMANO AND NAPLES.


A REPORT HAS BEEN RECEIVED FROM AN AIRCRAFT OF A FUNNEL CLOUD 3 MILES
SOUTH OF THE NAPLES AIRPORT MOVING TOWARD THE WEST AT 10 MPH. NATIONAL
WEATHER SERVICE RADAR ALSO INDICATES SEVERAL THUNDERSTORMS
IN THE AREA CAPABLE OF PRODUCING LOCALLY DAMAGING WINDS...POSSIBLE
LARGE HAIL OR TORNADOES. THE PUBLIC AND MARINE INTERESTS ARE URGED TO
TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

IF YOUR ARE IN THE PATH OF A TORNADO..THE SAFEST PLACE IS UNDER A
PIECE OF STURDY FURNITURE IN AN INTERIOR ROOM ON THE LOWEST FLOOR.
USE BLANKETS OR PILLOWS TO COVER YOUR BODY.  AVOID WINDOWS.  DEADLY
LIGHTNING..HAIL..AND VERY HEAVY RAIN ARE ALL POSSIBLE IN THIS STORM.

IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY..AND YOU SHOUL9D ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER
SERVICE OFFICE.

Nearby

Tornado Warnings in Florida, 1989Every tornado warning in 1989Tornadoes in 1989

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.