Alert archive / Florida / Tornado Warnings in 1986

Tornado Warning 8, NWS Tampa Bay, FL

June 11, 1986Citrus County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 11, 1986, 11:27 AM EDT for Citrus County, Florida. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1986, 11:27 AM EDT (15:27 UTC)
Expired
Jun 11, 1986, 11:55 AM EDT
In force
28 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Citrus 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

Tampa Bay, FL (KTBW), launched 12:00Z, 3.5 hours before the alert went out and 128 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, Tampa Bay, FL at 12:00Z on 1986-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 880 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, Tampa Bay, FL at 12:00Z on 1986-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
880 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
14 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 KTBW 111536 COR
TORTBW
FLC017-111555-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING ..CORRECTED STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN FL
1127 AM EDT WED JUN 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL
MARINE WARNING EFFECTIVE UNTIL 1155 AM EDT FOR PEOPLE IN THE
FOLLOWING COUNTY OF

WEST CENTRAL FLORIDA...WESTERN CITRUS
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED

A FUNNEL CLOUD WAS SIGHTED AT THE MOUTH OF CYSTRAL RIVER AT 1120AM
EDT MOVING EAST. A HEAVY THUNDERSTORM WAS INDICATED IN THE AREA.

  SHORELINE RESIDENTS SHOULD BE ON THE ALERT  FOR THE POSSIBLITY 
 OF WATERSPOUTS MOVING ONSHORE.

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.