Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 1, NWS Jacksonville, FL

January 3, 1994Clay County, Duval County, Florida

NWS Jacksonville, FL issued this tornado warning at Jan 3, 1994, 5:11 PM EST for Clay County, Duval County, Florida. It was in force for 49 min.

The area

The counties it named.

The facts

Issued: Jan 3, 1994, 5:11 PM EST (22:11 UTC)
Expired: Jan 3, 1994, 6:00 PM EST
In force: 49 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

Counties Clay County, FL, Duval County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 10.2 hours before the alert went out and 38 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 5 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 556 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 95 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 KJAX 032223
TORJAX
FLC019-031-FLZ501-032300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
511 PM EST MON JAN 3 1994
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL  600 PM EST
.
 
IN NORTH FLORIDA
 
   ...CLAY COUNTY...DUVAL COUNTY
AT 520 PM EDT POSSIBLE TORNADOS WERE SITED IN ALACHUA...BRADFORD...AND
BAKER COUNTIES. THE SQUALL LINE ASSOCIATED WITH THESE TORNADOES IS
MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS CLAY AND DUVAL COUNTY
COUNTIES WITHIN THE NEXT 45 MINUTES.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  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.

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 3, 5:25 PM EST	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	50 min

Nearby

Tornado Warnings in Florida, 1994 Every tornado warning in 1994 Tornadoes in 1994

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.