Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 4, NWS Jacksonville, FL

June 10, 1994Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Jun 10, 1994, 3:06 PM EDT for Putnam County, Florida. It was in force for 24 min.

The area

The counties it named.

The facts

Issued: Jun 10, 1994, 3:06 PM EDT (19:06 UTC)
Expired: Jun 10, 1994, 3:30 PM EDT
In force: 24 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

County Putnam County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 7.1 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 90 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1400 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 133 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 101906
TORJAX
FLC107-101930-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
306 PM EDT FRI JUN 10 1994
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE FL   HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM EDT
...
 
IN NORTH FLORIDA
 
   ...SOUTHWESTERN PUTNAM COUNTY
 
AT 254 PM EDT...ALACHUA COUNTY SHERRIFS OFFICE REPORTED A POSSIBLE
FUNNEL CLOUD 4 MILES NORTH OF HAWTHORNE IN SOUTHEAST ALACHUA COUNTY.
THUNDERSTORMS ARE DEVELOPING IN THIS AREA AND ARE MOVING SOUTHEAST AT 15
MILES AN HOUR. THIS THUNDERSTORM WILL BE MOVING INTO EXTREME SOUTHWEST
PUTNAM COUNTY IN THE NEXT 20 MINUTES.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUIRLDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:45 PM EDT	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	45 min
Jun 9, 9:33 PM EDT	Severe Thunderstorm Warning	JAX	Putnam	42 min
Jun 10, 6:43 PM EDT	Severe Thunderstorm Warning	JAX	Duval	47 min
Jun 10, 7:10 PM EDT	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	50 min
Jun 10, 7:58 PM EDT	Severe Thunderstorm Warning	JAX	Putnam	62 min

Nearby

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