Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 1, NWS Jacksonville, FL

January 8, 1993Clay County, Duval County, Florida

NWS Jacksonville, FL issued this tornado warning at Jan 8, 1993, 11:36 AM EST for Clay County, Duval 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

Counties Clay County, FL, Duval County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 4.6 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-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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 WarningJAXBradford69 min
Jan 8, 2:09 PM ESTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns66 min
Jan 8, 4:45 AM ESTSevere Thunderstorm WarningJAXToombs60 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.