Alert archive / Florida / Tornado Warnings in 1990

Tornado Warning 3, NWS Miami, FL

June 11, 1990Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jun 11, 1990, 6:40 PM EDT for Miami-Dade County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1990, 6:40 PM EDT (22:40 UTC)
Expired
Jun 11, 1990, 7:45 PM EDT
In force
65 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, 10.7 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.

Skew-T log-pSkew-T log-p diagram, Key West, FL at 12:00Z on 1990-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
45 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 112241
TORMIA
FLC025-112345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
640 PM EDT MON JUN 11 1990
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST FLORIDA
 
   ...EASTERN DADE COUNTY
 
AT 630 PM THE PUBLIC REPORTED A FUNNEL CLOUD NOT TOUCHING THE GROUND
NEAR NE 205 ST AND 22 AVE. LOCAL RADAR INDICATES SCATTERED
THUNDERSTORMS DEVELOPING OVER EASTERN DADE COUNTY MOVING EAST ABOUT 10
TO 15 MPH. CONDITIONS REMAIN FAVORABLE FOR POSSIBLE SEVERE
THUNDERSTORM DEVELOPMENT OVER EAST DADE COUNTY DURING THE NEXT 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.
 
DO NOT USE YOUR VEHICLE TO TRY TO OUTRUN A TORNADO. IF YOU ARE
CAUGHT IN THE PATH OF A TORNADO...LEAVE YOUR CAR AND GO TO A
STRONG BUILDING.
 
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 OFFICE.
(ALWAYS SELECT THIS PHRASE AND THEN DELETE THIS LINE FROM WARNING.)

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.