Alert archive / Florida / Tornado Warnings in 1987

Tornado Warning 1, NWS Melbourne, FL

January 22, 1987Marion County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 22, 1987, 7:17 AM EST for Marion County, Florida. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jan 22, 1987, 7:17 AM EST (12:17 UTC)
Expired
Jan 22, 1987, 8:00 AM EST
In force
43 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Marion 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, 0.3 hours before the alert went out and 148 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 1987-01-22Temperature 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, Jacksonville, FL at 12:00Z on 1987-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.1939587897117136Sfc1 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
615 m above ground
0-6 km bulk shear
113 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
549 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 221217
TORDAB
FLC083-221300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
717 AM EST THU JAN 22 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 800 AM EST FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTH CENTRAL FLORIDA...MARION

A LINE OF VERY HEAVY THUNDERSTORMS HAS SPAWNED A FEW TORNADOES
OVER THE WESTERN PORTIONS OF THE FLORIDA PENINSULA DURING THE
PAST HOUR.

THE LINE OF THUNDERSTORMS WAS MOVING RAPIDLY EAST SOUTHEAST
AT 32 MPH AND WILL BE ENTERING THE OCALA AREA SHORTLY.

THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY !

Nearby

Tornado Warnings in Florida, 1987Every tornado warning in 1987Tornadoes in 1987

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.