Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 2, NWS Jacksonville, FL

January 8, 1993Bradford County, Florida

NWS Jacksonville, FL issued this tornado warning at Jan 8, 1993, 11:36 AM EST for Bradford County, Florida. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jan 8, 1993, 11:36 AM EST (16:36 UTC)
Expired
Jan 8, 1993, 12:45 PM EST
In force
69 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Bradford County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 4.6 hours before the alert went out and 76 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 1993-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -137 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-137 m²/s²
0-3 km storm-relative helicity
71 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 081640
TORJAX
FLC007-019-031-081745-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1136 AM EST FRI JAN 8 1993
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1245 PM EST
 
IN NORTHEAST FLORIDA
 
   ...CENTRAL BRADFORD COUNTY...WESTERN CLAY COUNTY
   ...SOUTHERN DUVAL COUNTY
 
 
AT 1130 AM EST UNION COUNTY SHERIFF OFFICE REPORTS A TORNADO ON THE
GROUND AT THE NORTH FLORIDA RECEPTION CENTER PRISON. THE TORNADO IS
MOVING EAST AT 20 MPH. THERE HAS BEEN DAMAGE TO THE PRISON.
 
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.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
 
 
&

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, Jan 8, 10:30 AM EST, 1 hour 6 minutes before
FLZ008-007-009-081830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1026 AM EST FRI JAN 8 1993

AT 1025 AM EST NATIONAL WEATHER SERVICE RADARS SHOW A LARGE AREA OF RAIN
WITH INBEDED THUNDERSTORMS COVERS A LARGE AREA OF NORTHEAST FLORIDA AND
SOUTHEAST GEORGIA AND EXTENDS INTO THE GULF OF MEXICO FOR SEVERVAL
HUNDRED MILES SOUTH OF CEDAR KEY.

OF PARTICULAR INTEREST IS CLUSTERS OF THUNDERSTORMS ALONG THE LEADING
EDGE THE RAIN AREA. THE CLUSTERS ARE LOCATED OVER WESTERN NASSAU..DUVAL
COUNTIES AND SOUTHWEST ACROSS BAKER
..COLUMBIA..SUWANNEE..UNION..GILCHRIST AND LAFAYETTE COUNTIES. THE
THUNDERSTORMS ARE MOVING NORTHEAST AT SPEEDS NEAR 25 MPH AND MAY CONTAIN
STRONG GUSTY WINDS..HAIL AND LOCALLY HEAVY RAINS.

THE STORMS HAVE PRODUCED 3 TO 4 INCH RAINS IN THE PANHANDLE EARLIER THIS
MORNING. DRIVE WITH CAUTION WHEN TRAVELING OVER LOW LYING BRIDGES..AND
TRIBUTARIES..DRAINAGE DITCHES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 11:24 AM ESTSevere Thunderstorm WarningJAXBradford, Clay66 min
Jan 8, 11:24 AM ESTSevere Thunderstorm WarningJAXDuval66 min
Jan 8, 11:36 AM ESTTornado WarningJAXClay, Duval69 min
Jan 8, 2:09 PM ESTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns66 min

Nearby

Tornado Warnings in Florida, 1993Every tornado warning in 1993Tornadoes in 1993

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.