Alert archive / Florida / Tornado Warnings in 1986

Tornado Warning 4, NWS Melbourne, FL

March 14, 1986Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Mar 14, 1986, 8:43 AM EST for Volusia County, Florida. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Mar 14, 1986, 8:43 AM EST (13:43 UTC)
Expired
Mar 14, 1986, 9:30 AM EST
In force
47 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Volusia 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 1.7 hours before the alert went out and 91 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, Cape Canaveral, FL at 12:00Z on 1986-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 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, Cape Canaveral, FL at 12:00Z on 1986-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 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
1297 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
1.5
Supercell composite
7.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAB 141344
TORDAB
FLC035-127-141430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
843 AM EST FRI MAR 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL
MARINE WARNING EFFECTIVE UNTIL 930 AM EST FOR PEOPLE IN THE
FOLLOWING COUNTIES OF

EAST CENTRAL FLORIDA...FLAGLER AND VOLUSIA
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED

THE TORNADO WARNING IN EFFECT FOR THE NORTH HALF OF VOLUSIA
AND FOR FLAGLER COUNTIES UNTIL 9AM EST HAS BEEN EXTENDED
UNTIL 930 AM EST AND IS NOW TO INCLUDE ALL OF VOLUSIA COUNTY
AND THE ADJACENT COASTAL WATERS.

A REPORT WAS RECEIVED OF A TORNADO TOUCHDOWN JUST AFTER 8AM
EST AT THE FLAGLER COUNTY AIRPORT AT PALM COAST AND WINDS
GUSTS UP TO 55 KNOTS HAVE OCCURRED AT DAYTONA BEACH REGIONAL
AIRPORT WITHIN THE PAST 15 MINUTES.

IF YOU ARE IN THE PATH OF THIS TORNADO..GO T/O A REINFORCED SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 8:05 AM ESTTornado WarningMLBLake60 min
Mar 14, 8:43 AM ESTTornado WarningMLBFlagler35 min
Mar 14, 8:45 AM ESTTornado WarningMLBLake, Seminole60 min

Nearby

Tornado Warnings in Florida, 1986Every tornado warning in 1986Tornadoes in 1986

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.