Alert archive / Florida / Tornado Warnings in 1990

Tornado Warning 5, NWS Miami, FL

June 29, 1990Collier County, Florida

NWS Miami, FL issued this tornado warning at Jun 29, 1990, 3:32 PM EDT for Collier County, Florida. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1990, 3:32 PM EDT (19:32 UTC)
Expired
Jun 29, 1990, 4:00 PM EDT
In force
28 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, 7.5 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 1990-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3164 joules per kilogram.LCLEL10008507005003002001001 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 1990-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
3164 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
11 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 291932 RRA
TORMIA
FLC021-292000-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
332 PM EDT FRI JUN 29 1990
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST FLORIDA
 
   ...NORTHWESTERN COLLIER COUNTY
 
  AND FOR BOATERS ON THE COASTAL WATERS FROM
 
   ...BONITA BEACH  TO  EVERGLADES CITY
 
AT 325 PM EDT A TORNADO WAS REPORTED 3 MILES NORTHEAST OF
DOWNTOWN NAPLES. THUNDERSTORMS FROM WHICH THE TORNADO FORMED ARE
MOVING TOWARD THE WEST NORTHWEST AROUND 10 MILES PER HOUR.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS UNDER
STURDY FURNITURE IN AN INTERIOR ROOM ON THE LOWEST FLOOR. USE
PILLOWS TO COVER YOUR BODY. AVOID WINDOWS. A MOBILE HOME IS NOT A
SAFE REFUGE FROM A TORNADO. MOVE TO A MORE SUBSTANTIAL BUILDING.
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY AND REMAIN IN PORT
UNTIL THESE THUNDERSTORMS PASS BEYOND THE COASTAL WATERS.
 
IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN ASK A LAW
ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL
NATIONAL WEATHER SERVICE O=FFICE.

Nearby

Tornado Warnings in Florida, 1990Every tornado warning in 1990Tornadoes in 1990

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.