Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 3, NWS Jacksonville, FL

June 9, 1994Clay County, Saint Johns County, Florida

NWS Jacksonville, FL issued this tornado warning at Jun 9, 1994, 7:53 PM EDT for Clay County, Saint Johns County, Florida. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1994, 7:53 PM EDT (23:53 UTC)
Expired
Jun 9, 1994, 8:45 PM EDT
In force
52 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Clay County, FL, Saint Johns County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 11.9 hours before the alert went out and 62 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 1994-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2082 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 1994-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
2082 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
120 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 100013 COR
TORJAX
FLC019-109-FLZ501-100045-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING...CORRECTED FOR ORANGE PARK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
753 PM EDT THU JUN 9 1994

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL  845 PM EDT
S...

IN NORTH FLORIDA

   ...CLAY COUNTY...ST.JOHNS COUNTY
AT 750 PM EDT CLAY COUNTY FIRE RESCUE REPORTED A TORNADO FORMING NEAR
ORANGE PARK. THE ST JOHNS COUNTY SHERIFFS OFFICE RECEIVED A REPORT OF A
POSSIBLE TORNADO FORMING NEAR PONTE VEDRA BEACH. RADARS INDICATED STRONG
THUNDERSTORMS IN THESE AREAS...WITH POSSIBLE TORNADOES. MOVEMENT WAS
SOUTHEAST AT 15 MPH.
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 C>USHIONS 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, Jun 9, 6:01 PM EDT, 1 hour 52 minutes before
FLC001-003-007-019-023-031-041-047-067-089-107-109-121-125-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
601 PM EDT THU JUN 9 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN FLORIDA AND
SOUTHERN GEORGIA UNTIL 1100 PM EDT...

AT 600 PM NATIONAL WEATHER SERVICE RADAR SHOWED A BAND OF STRONG
THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...FROM ST SIMONS ISLAND
GEORGIA WEST TO WAYCROSS THEN TO ALBANY GEORGIA. THE HEAVIEST
THUNDERSTORM WAS IN NORTHERN CAMDEN COUNTY. THE THUNDERSTORMS
WERE MOVING SOUTHEAST AT 25 MPH.

PERSONS LIVING IN SOUTHERN GEORGIA AND NORTHERN FLORIDA SHOULD BE ALERT
SINCE THESE THUNDERSTORM HAVE A HISTORY OF PRODUCING STRONG
WINDS...LARGE HAIL...AND FREQUENT LIGHTNING.

BOATERS IN THE ATLANTIC OCEAN AND INLAND WATERS OF NORTHERN FLORIDA AND
SOUTHERN GEORGIA SHOULD SEEK SAFE HARBOR NOW.
Special weather statement, Jun 9, 6:01 PM EDT, 1 hour 52 minutes before
FLC001-003-007-019-023-031-041-047-067-089-107-109-121-125-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
601 PM EDT THU JUN 9 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN FLORIDA AND
SOUTHERN GEORGIA UNTIL 1100 PM EDT...

AT 600 PM NATIONAL WEATHER SERVICE RADAR SHOWED A BAND OF STRONG
THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...FROM ST SIMONS ISLAND
GEORGIA WEST TO WAYCROSS THEN TO ALBANY GEORGIA. THE HEAVIEST
THUNDERSTORM WAS IN NORTHERN CAMDEN COUNTY. THE THUNDERSTORMS
WERE MOVING SOUTHEAST AT 25 MPH.

PERSONS LIVING IN SOUTHERN GEORGIA AND NORTHERN FLORIDA SHOULD BE ALERT
SINCE THESE THUNDERSTORM HAVE A HISTORY OF PRODUCING STRONG
WINDS...LARGE HAIL...AND FREQUENT LIGHTNING.

BOATERS IN THE ATLANTIC OCEAN AND INLAND WATERS OF NORTHERN FLORIDA AND
SOUTHERN GEORGIA SHOULD SEEK SAFE HARBOR NOW.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 6:30 PM EDTSevere Thunderstorm WarningJAXNassau60 min
Jun 9, 6:41 PM EDTSevere Thunderstorm WarningJAXSaint Johns49 min
Jun 9, 7:06 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Duval69 min
Jun 9, 7:58 PM EDTSevere Thunderstorm WarningJAXDuval47 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.