Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 39, NWS Tallahassee, FL

June 21, 1992Franklin County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 21, 1992, 1:06 PM EDT for Franklin County, Florida. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1992, 1:06 PM EDT (17:06 UTC)
Expired
Jun 21, 1992, 2:00 PM EDT
In force
54 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Franklin County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.1 hours before the alert went out and 81 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, Tallahassee Rgnl, FL at 12:00Z on 1992-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 205 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, Tallahassee Rgnl, FL at 12:00Z on 1992-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
205 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1379 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAQQ 211706
SVRAQQ
FLC037-211800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA
106 PM EDT SUN JUN 21 1992
 
THE NATIONAL WEATHER SERVICE IN APALACHICOLA FLORIDA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST FLORIDA
 
   ...EAST CENTRAL FRANKLIN COUNTY
 
FOR PEOPLE LIVING IN ALIGATOR POINT
FOR MARINE INTERESTS NEAR ALLIGATOR POINT AND EAST
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 21, 12:05 PM EDT, 1 hour 1 minute before
FLZ004-202200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA
1155 AM EDT SUN JUN 21 1992

AT 1155 PM EDT...STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTH
FRANKLIN AND CENTRAL GULF COUNTIES.

PERSONS IN THE VICINITY OF THESE THUNDERSTORMS CAN EXPECT STRONG
GUSTY WINDS...DANGEROUS LIGHTNING...VERY HEAVY RAIN AND A POSSIBILITY
OF SMALL HAIL.

MOVEMENT WAS TO THE EAST-SOUTHEAST AT 5 MILES AN HOUR.

PEOPLE IN SOUTH FRANKLI1N AND SOUTH GULF COUNTIES AND BOATERS ON AREA
BAYS AND COASTAL WATERS SHOULD KEEP A GOOD WEATHER EYE TO THE NORTH
FOR THUNDERSTORM DEVELOPMENT.

Nearby

Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992

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.