Alert archive / Florida / Tornado Warnings in 1989

Tornado Warning 5, NWS Melbourne, FL

September 23, 1989Flagler County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 23, 1989, 3:55 PM EDT for Flagler County, Florida. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Sep 23, 1989, 3:55 PM EDT (19:55 UTC)
Expired
Sep 23, 1989, 4:30 PM EDT
In force
35 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Flagler 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

Jacksonville, FL (KAYS), launched 12:00Z, 7.9 hours before the alert went out and 121 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, Jacksonville, FL at 12:00Z on 1989-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 121 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 1989-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
121 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
100 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 KDAB 231956
TORDAB
FLC035-232030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
355 PM EDT SAT SEP 23 1989
 
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
TORNADO WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST FLORIDA
          ...EASTERN FLAGLER
 
AND ADJOINING COASTAL WATERS.
 
 
AT 345 PM EDT THE PUBLIC REPORTED A SIGHTING OF A TORNADO JUST WEST OF
I-95 AND NORTH OF SR-100 IN EASTERN FLAGLER COUNTY. THE TORNADO WAS
WAS MOVING RAPIDLY TOWARD THE NORTHEAST IN ASSOCIATION WITH
THUNDERSTORMS MOVING THROUGH FLAGLER COUNTY.
 
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
AS THIS DANGEROUS STORM MOVES OUT OVER THE COASTAL WATERS...
BOATERS IN THE THREATENED AREA SHOULD TAKE ACTION TO AVOID
THE HAZARDOUS WEATHER.

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, Sep 23, 3:50 PM EDT, 5 minutes before
SPECIAL WEATHER AND MARINE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
345 PM EDT SAT SEP 23 1989

THUNDERSTORMS WITH VERY HEAVY RAIN...DANGEROUS LIGHTNING...STRONG AND
GUSTY WINDS AND POSSIBLY SOME HAIL HAVE DEVELOPED ALONG THE FLORIDA
EAST COAST DURING THE PAST HOUR...STRETCHING FROM FLAGLER BEACH SOUTH
TO DAYTONA BEACH...CAPE CANAVERAL AND VERO BEACH.

PEOPLE IN FLAGLER...VOLUSIA...BREVARD AND INDIAN RIVER COUNTIE|S AND
BOATERS OVER THE COASTAL WATERS SHOULD BE ALERT TO THESE THUNDERSTORMS
AS THEY MOVE THROUGH THE AREA AND OVER THE COASTAL WATERS DURING THE
NEXT COUPLE OF HOURS.

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.