Alert archive / Florida / Tornado Warnings in 1988

Tornado Warning 3, NWS Miami, FL

May 25, 1988Miami-Dade County, Monroe County, Florida

NWS Miami, FL issued this tornado warning at May 25, 1988, 9:04 AM EDT for Miami-Dade County, Monroe County, Florida. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
May 25, 1988, 9:04 AM EDT (13:04 UTC)
Expired
May 25, 1988, 9:35 AM EDT
In force
31 min
Issued by
NWS Miami, FL
Area
Whole counties

Counties Miami-Dade County, FL, Monroe 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, 1.1 hours before the alert went out and 153 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 1988-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3140 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 1988-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
3140 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 251306 RRA
TORMIA
FLC025-087-251330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
904 AM EDT WED MAY 25 1988
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  935 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST FLORIDA
          ...WESTERN DADE
IN SOUTH FLORIDA
          ...EASTERN MAINLAND MONROE
 
AT 900 AM RADAR INDICATED A POSSIBLE TORNADO IN EAST CENTRAL MAINLAND
MONROE COUNTY. THE TORNADO WAS MOVING TOWARD THE EAST AT 25 TO 30 MPH.
 
 
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 SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAYf YOUR SEVERE WEATHER REPORTS 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 25, 8:42 AM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIAMI FL
830 AM EDT WED MAY 25 1988

NUMEROUS THUNDERSTORMS EMBEDDED IN LARGE AREAS OF RAIN CONTINUE TO
MOVE RAPIDLY ONSHORE THE SOUTHWEST PENINSULA. THE HEAVIEST THUNDER-
STORMS WERE LOCATED IN THE SOUTHEAST GULF OF MEXICO AND ALONG A 10
MILE WIED LINE THAT EXTENDED FROM NORTHERN GLADES COUNTY THROUGH
HENDRY AND COLLIER COUNTIES TO JUST OFFSHORE CAPE ROMANO. PERSONS
IN THESE AREAS AND BOATERS IN THESE WATERS ARE ADVISED THAT THESE
THUNDERSTORMS WILL LIKELY BE ACCOMPANINED BY VERY HEAVY RAINS...STRONG
GUSTY WINDS...FREQUENT LIGHTNING...REDUCED VISIBILITIES...ROUGH SEAS...
AND POSSIBLY HAIL AS THEY MOVE TO THE EAST AT 25 MILES EAN HOUR.

ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW ATTENDED BY
VERY HEAVY RAINFALL...CONTINUED FROM JUST OFFSHORE THE EAST COAST
THROUGH OUT THE NORTHERN AND WESTERN BAHAMAS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 9:38 AM EDTSevere Thunderstorm WarningMFLCollier, Monroe2 hr
May 25, 11:35 AM EDTSevere Thunderstorm WarningMFLMonroe2 hr
May 25, 11:50 AM EDTSevere Thunderstorm WarningMFLCollier, Monroe115 min

Nearby

Tornado Warnings in Florida, 1988Every tornado warning in 1988Tornadoes in 1988

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.