Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 10, NWS Jacksonville, FL

October 30, 1994Alachua County, Florida

NWS Jacksonville, FL issued this tornado warning at Oct 30, 1994, 11:46 AM EST for Alachua County, Florida. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Oct 30, 1994, 11:46 AM EST (16:46 UTC)
Expired
Oct 30, 1994, 12:30 PM EST
In force
44 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Alachua County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 4.8 hours before the alert went out and 111 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 1994-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 360 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 1994-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
360 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAX 301647
TORJAX
FLC001-301730-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1146 AM EST SUN OCT 30 1994
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1230 PM EST
...
 
IN NORTH FLORIDA
 
   ...ALACHUA COUNTY
 
AT 1135 AM EST...A TORNADO IS REPORTED ON THE GROUND SOUTHWEST
OF MICANOPY IN ALACHUA COUNTY. MOVEMENT WAS TO THE NORTHEAST.
 
 
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.

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, Oct 30, 8:47 AM EST, 2 hours 59 minutes before
FLZ035-301445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
847 AM EST SUN OCT 30 1994

...STRONG THUNDERSTORRMS MOVING THROUGH THE BIG BEND...

AT 840 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS IN GILCHRIST COUNTY EAST OF BELL AND IN SOUTHWESTERN
GILCHRIST COUNTY WEST OF TRENTON. THESE STORMS WERE MOVING TOWARD THE
NORTHEAST AT 20 MILES AN HOUR AND WILL PRODUCE PERIODS OF VERY HEAVY
RAIN...STRONG GUSTY WINDS....ALONG WITH FREQUENT DANGEROUS LIGHTNING.

MOTORIST ARE ADVISED TO SLOW DOWN AS VISIBILITY WILL BE REDUCED QUICKLY
AND PONDING OF WATER ON ROAD SURFACES MAKES DRIVING DANGEROUS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
Special weather statement, Oct 30, 8:49 AM EST, 2 hours 57 minutes before
FLZ035-301445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
847 AM EST SUN OCT 30 1994

...STRONG THUNDERSTORRMS MOVING THROUGH THE BIG BEND...

AT 840 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS IN GILCHRIST COUNTY EAST OF BELL AND IN SOUTHWESTERN
GILCHRIST COUNTY WEST OF TRENTON. THESE STORMS WERE MOVING TOWARD THE
NORTHEAST AT 20 MILES AN HOUR AND WILL PRODUCE PERIODS OF VERY HEAVY
RAIN...STRONG GUSTY WINDS....ALONG WITH FREQUENT DANGEROUS LIGHTNING.

MOTORIST ARE ADVISED TO SLOW DOWN AS VISIBILITY WILL BE REDUCED QUICKLY
AND PONDING OF WATER ON ROAD SURFACES MAKES DRIVING DANGEROUS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
Special weather statement, Oct 30, 8:55 AM EST, 2 hours 51 minutes before
FLZ035-301445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
847 AM EST SUN OCT 30 1994

...STRONG THUNDERSTORMS MOVING THROUGH THE BIG BEND...

AT 840 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS IN GILCHRIST COUNTY EAST OF BELL AND IN SOUTHWESTERN
GILCHRIST COUNTY WEST OF TRENTON. THESE STORMS WERE MOVING TOWARD THE
NORTHEAST AT 20 MILES AN HOUR AND WILL PRODUCE PERIODS OF VERY HEAVY
RAIN...STRONG GUSTY WINDS....ALONG WITH FREQUENT DANGEROUS LIGHTNING.

MOTORIST ARE ADVISED TO SLOW DOWN AS VISIBILITY WILL BE REDUCED QUICKLY
REDUCED AND PONDING OF WATER ON ROAD SURFACES MAKES DRIVING DANGEROUS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER S>TATEMENTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 12:23 PM ESTSevere Thunderstorm WarningJAXAlachua, Putnam52 min
Oct 30, 1:23 PM ESTTornado WarningJAXPutnam, Saint Johns52 min

Nearby

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