Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 5, NWS Miami, FL

May 19, 1993Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at May 19, 1993, 3:39 PM EDT for Miami-Dade County, Florida. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
May 19, 1993, 3:39 PM EDT (19:39 UTC)
Expired
May 19, 1993, 4:45 PM EDT
In force
66 min
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade County, FL

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.

Skew-T log-pSkew-T log-p diagram, Key West, FL at 12:00Z on 1993-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 609 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 1993-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
609 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 191945
TORMIA
FLC025-192045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
339 PM EDT WED MAY 19 1993
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHEAST FLORIDA
 
CENTRAL AND NORTHEASTERN DADE COUNTY
 
335 PM...MIAMI DOPPLER RADAR INDICATED A POSSIBLE TORNADO 11 MILES
NORTH OF RICHMOND HEIGHTS MOVING NORTHEAST AT 15 MILES AN HOUR. THIS
POSSIBLE TORNADO WILL MOVE NORTHEAST TOWARDS KENDALL NEAR DADELAND AND
SOUTH MIAMI.
 
 
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.
 
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.
 
 
 
 
&

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, May 19, 1:32 PM EDT, 2 hours 7 minutes before
FLZ018>022-502>504-191830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
130 PM EDT WED MAY 19 1993

AT 125 PM THIS AFTERNOON...MIAMI DOPPLER RADAR INDICATED SCATTERED
SHOWERS AND THUNDERSTORMS OVER EXTREME NORTHERN COLLIER COUNTY AND
OVER WESTERN HENDRY COUNTY. A THUNDERSTORM WAS IN PROGRESS OVER
FELDA IN HENDRY COUNTY.

THE STORMS WERE MOVING TO THE NORTHEAST AT 10 MILES AN HOUR.

OVER THE NEXT COUPLE OF HOURS...SHOWERS AND THUNDERSTORMS SHOULD
CONTINUE TO DEVELOP OVER SOUTH FLORIDA. THE STORMS IN NORTH COLLIER
COUNTY SHOULD MOVE INTO HENDRY COUNTY AND INTO GLADES COUNTY AFFECTING
THE TOWNS OF ORTONA AND CITRUS CENTER.
Special weather statement, May 19, 2:25 PM EDT, 1 hour 14 minutes before
FLZ018>022-502>504-201930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
225 PM EDT WED MAY 19 1993

AT 225 PM...MIAMI DOPPLER RADAR INDICATED THAT ONLY ISOLATED
SHOWERS WERE OVER THE ADJACENT ATLANTIC OCEAN.

ALL ACTIVITY WAS MOVING TO THE EAST AT 20 MILES AN HOUR.

OVER THE NEXT TWO HOURS OVER SOUTH FLORIDA...PARTLY CLOUDY SKIES
WILL PREVAIL WITH ISOLATED SHOWERS DEVELOPING MAINLY OVER THE
WATER.
Special weather statement, May 19, 2:30 PM EDT, 1 hour 9 minutes before
FLZ018>022-502>504-191930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
230 PM EDT WED MAY 19 1993

AT 225 PM THIS AFTERNOON...MIAMI DOPPLER RADAR INDICATED THAT
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO DEVELOP AND MOVE
NORTHEAST AT 15 MPH OVER NORTHERN HENDRY...GLADES...AND SOUTHWEST
PALM BEACH COUNTIES.

THE STRONGEST THUNDERSTORMS WERE OVER GLADES COUNTY OVER PALMDALE
AND MOVING TOWARDS MOORE HAVEN.

ELSEWHERE...THUNDERSTORMS WERE DEVELOPING OVER DADE COUNTY JUST
SOUTHWEST OF SWEETWATER AND EXTENDED SOUTHWEST TO JUST SOUTH OF
SHARK VALLEY.

MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT 15 MILES AN HOUR.

OVER THE NEXT TWO HOURS...SCATTERED SHOWERS AND THUNDERSTORMS
SHOULD CONTINUE TO DEVELOP OVER SOUTH FLORIDA AND GENERALLY
MOVE NORTHEAST.
Special weather statement, May 19, 2:33 PM EDT, 1 hour 6 minutes before
FLZ018>022-502>504-191930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
230 PM EDT WED MAY 19 1993

AT 225 PM THIS AFTERNOON...MIAMI DOPPLER RADAR INDICATED THAT
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO DEVELOP AND MOVE
NORTHEAST AT 15 MPH OVER NORTHERN HENDRY...GLADES...AND SOUTHWEST
PALM BEACH COUNTIES.

THE STRONGEST THUNDERSTORMS WERE OVER GLADES COUNTY OVER PALMDALE
AND MOVING TOWARDS MOORE HAVEN.

ELSEWHERE...THUNDERSTORMS WERE DEVELOPING OVER DADE COUNTY JUST
SOUTHWEST OF SWEETWATER AND EXTENDED SOUTHWEST TO JUST SOUTH OF
SHARK VALLEY.

MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT 15 MILES AN HOUR.

OVER THE NEXT TWO HOURS...SCATTERED SHOWERS AND THUNDERSTORMS
SHOULD CONTINUE TO DEVELOP OVER SOUTH FLORIDA AND GENERALLY
MOVE NORTHEAST.
Special weather statement, May 19, 2:35 PM EDT, 1 hour 4 minutes before
FLZ018>022-502>504-202030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
235 PM EDT WED MAY 19 1993

AT 230 PM...MIAMI DOPPLER RADAR INDICATED THAT ONLY ISOLATED
SHOWERS WERE OVER THE ADJACENT ATLANTIC OCEAN.

ALL ACTIVITY WAS MOVING TO THE EAST AT 20 MILES AN HOUR.

OVER THE NEXT TWO HOURS OVER SOUTH FLORIDA...PARTLY CLOUDY SKIES
WILL PREVAIL WITH ISOLATED SHOWERS MAINLY OVER THE WATER.
Special weather statement, May 19, 3:35 PM EDT, 4 minutes before
FLZ018>022-502>504-202030-

SPECIAL WEATHER STATEMENT...CORRECTION FOR ISSUE TIME...
NATIONAL WEATHER SERVICE MIAMI FL
335 PM EDT WED MAY 19 1993

AT 330 PM...MIAMI DOPPLER RADAR INDICATED THAT ONLY ISOLATED
SHOWERS WERE OVER THE ADJACENT ATLANTIC OCEAN.

ALL ACTIVITY WAS MOVING TO THE EAST AT 20 MILES AN HOUR.

OVER THE NEXT TWO HOURS OVER SOUTH FLORIDA...PARTLY CLOUDY SKIES
WILL PREVAIL WITH ISOLATED SHOWERS MAINLY OVER THE WATER.

Nearby

Tornado Warnings in Florida, 1993Every tornado warning in 1993Tornadoes in 1993

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.