Alert archive / Florida / Tornado Warnings in 1986

Tornado Warning 3, NWS Tallahassee, FL

July 21, 1986Leon County, Florida

NWS Tallahassee, FL issued this tornado warning at Jul 21, 1986, 4:40 PM EDT for Leon County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 21, 1986, 4:40 PM EDT (20:40 UTC)
Expired
Jul 21, 1986, 5:20 PM EDT
In force
40 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Leon County, FL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 21, 4:50 PM EDTThunderstorm Wind 0Leon, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 8.7 hours before the alert went out and 107 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, Apalachicola Mun, FL at 12:00Z on 1986-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2581 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, Apalachicola Mun, FL at 12:00Z on 1986-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2581 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
953 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
25 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 KTLH 212040
TORTLH
FLC073-212145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
440 PM EDT MON JUL 21 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTHWEST FLORIDA...LEON

AT 442 PM EDT RADAR AND PUBLIC REPORTS INDICATED FUNNEL CLOUDS

IN THE TALLAHASSEE AREA. PEA TO MARBLE SIZE HAIL AND STRONG
GUSTY WINDS HAVE ALSO BEEN REPORTED.

 IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE IMMEDIATELY.
 PLEASE REPORT TORNADOES..FUNNEL CLOUDS..WIND DAMAGE..HAIL OR
 OTHER SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE..TELEPHONE
 NUMBER Y576-6318 OR ASK THE NEAREST LAW ENFORCMENT AGENCY TO RELAY
 YOUR REPORTS TO THE NATIONAL WEATHER SERVICE.

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.