Alert archive / Florida / Tornado Warnings in 1992

Tornado Warning 4, NWS Jacksonville, FL

June 13, 1992Alachua County, Bradford County, Clay County, Florida

NWS Jacksonville, FL issued this tornado warning at Jun 13, 1992, 1:40 PM EDT for Alachua County, Bradford County, Clay County, Florida. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1992, 1:40 PM EDT (17:40 UTC)
Expired
Jun 13, 1992, 2:30 PM EDT
In force
50 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Alachua County, FL, Bradford County, FL, Clay County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 5.7 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, Jacksonville, FL at 12:00Z on 1992-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 121 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, Jacksonville, FL at 12:00Z on 1992-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
121 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAX 131742
TORJAX
FLC001-007-019-131830-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
140 PM EDT SAT JUN 13 1992
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  230 PM EDT
 
 
IN NORTH FLORIDA
 
   ...NORTHEASTERN ALACHUA COUNTY
 
IN NORTHEAST FLORIDA
 
   ...SOUTHEASTERN BRADFORD COUNTY...SOUTHWESTERN CLAY COUNTY
 
AT 135 PM EDT THE ALACHUA COUNTY CIVIL DEFENSE REPORTED A TORNADO ON
THE GROUND IN WALDO MOVING EAST NORTHEAST AT 15 MILES AN HOUR. RADAR
SHOWS SEVERE THUNDERSTORMS IN THE AREA. DAMAGE HAS BEEN REPORTED WITH
THIS TORNADO.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENNT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado 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 13, 1:24 PM EDT, 16 minutes before
FLZ008-007-009-131930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
122 PM EDT SAT JUN 13 1992

AT 115 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
HEAVY RAIN FROM GAINESVILLE NORTHEAST TO THE WEST SIDE OF
JACKSONVILLE. THE MOST ACTIVE THUNDERSTORM WAS ALONG HIGHWAY 301
BETWEEN WALDO AND STARKE.

THUNDERSTORMS ARE MOVING EAST AT 10 TO 15 MILES AN HOUR AND WILL
LIKELY CONTAIN STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES...HEAVY
RAINFALL AND POSSIBLE HAIL FOR THE NEXT ONE TO TWO HOURS.

REMEMBER MORE PEOPLE ARE KILLED BY LIGHTNING IN FLORIDA THAN ANY STATE
IN THE COUNTRY. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A
BUILDING. AVOID BASEBALL FIELDS AND GOLF COURSED DURING A LIGHTNING
STORM.

Nearby

Tornado Warnings in Florida, 1992Every tornado warning in 1992Tornadoes 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.