Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 11, NWS Jacksonville, FL

July 6, 1993Baker County, Duval County, Florida

NWS Jacksonville, FL issued this tornado warning at Jul 6, 1993, 5:38 PM EDT for Baker County, Duval County, Florida. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1993, 5:38 PM EDT (21:38 UTC)
Expired
Jul 6, 1993, 6:15 PM EDT
In force
37 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Baker County, FL, Duval County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 9.6 hours before the alert went out and 32 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 1993-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1106 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 1993-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
1106 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
32 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, Jul 6, 3:11 PM EDT, 2 hours 27 minutes before
FLZ008-009-062015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
311 PM EDT TUE JUL 6 1993

WEATHER SERVICE RADARS SHOWED STRONG THUNDERSTORMS RAPIDLY DEVELOPING
IN WESTERN ST. JOHNS COUNTY AND NORTHERN PUTNAM COUNTY. SEVERAL
LIGHTNING INDUCED GRASS FIRES HAVE BEEN REPORTED WEST OF I-95 NEAR SR
207 OF ST. JOHNS COUNTY. PEA SIZE HAIL HAS BEEN REPORTED IN PUTNAM
COUNTY NEAR GRANDIN 5 MILES EAST OF THE CLAY COUNTY BORDER.

THE THUNDERSTORMS ARE MOVING SOUTHWEST AT 5 TO 10 MILES AN HOUR AND WILL
MOVE THROUGH PALATKA SHORTLY AND TOWARDS GAINESVILLE IN THE NEXT HOUR.

DANGEROUS LIGHTNING HAS BEEN REPORTED WITH THESE THUNDERSTORMS SO MORE
GRASS FIRES CAN BE EXPECTED UNDER THESE DRY CONDITIONS. GUSTY
WINDS...HEAVY RAINFALL AND HAIL SHOULD ALSO ACCOMPANY THESE
THUNDERSTORMS.

&
Special weather statement, Jul 6, 3:14 PM EDT, 2 hours 24 minutes before
FLZ008-009-062015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
311 PM EDT TUE JUL 6 1993

WEATHER SERVICE RADARS SHOWED STRONG THUNDERSTORMS RAPIDLY DEVELOPING
IN WESTERN ST. JOHNS COUNTY AND NORTHERN PUTNAM COUNTY. SEVERAL
LIGHTNING INDUCED GRASS FIRES HAVE BEEN REPORTED WEST OF I-95 NEAR SR
207 OF ST. JOHNS COUNTY. PEA SIZE HAIL HAS BEEN REPORTED IN PUTNAM
COUNTY NEAR GRANDIN 5 MILES EAST OF THE CLAY COUNTY BORDER.

THE THUNDERSTORMS ARE MOVING SOUTHWEST AT 5 TO 10 MILES AN HOUR AND WILL
MOVE THROUGH PALATKA SHORTLY AND TOWARDS GAINESVILLE IN THE NEXT HOUR.

DANGEROUS LIGHTNING HAS BEEN REPORTED WITH THESE THUNDERSTORMS SO MORE
GRASS FIRES CAN BE EXPECTED UNDER THESE DRY CONDITIONS. GUSTY
WINDS...HEAVY RAINFALL AND HAIL SHOULD ALSO ACCOMPANY THESE
THUNDERSTORMS.

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 4:45 PM EDTSevere Thunderstorm WarningJAXAlachua60 min
Jul 6, 6:56 PM EDTSevere Thunderstorm WarningJAXColumbia, Gilchrist64 min
Jul 6, 7:07 PM EDTTornado WarningJAXBaker, Columbia, Suwannee53 min
Jul 6, 7:11 PM EDTTornado WarningJAXColumbia, Hamilton, Suwannee64 min
Jul 6, 7:11 PM EDTTornado WarningJAXBaker64 min
Jul 6, 6:52 PM EDTSevere Thunderstorm WarningJAXBrantley68 min
Jul 6, 7:35 PM EDTSevere Thunderstorm WarningJAXLiberty55 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.