Alert archive / Florida / Tornado Warnings in 2004
Tornado Warning 89, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Sep 15, 2004, 10:27 PM EDT for Alachua County, Gilchrist County, Florida. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 15, 2004, 10:27 PM EDT (02:27 UTC)
- Expired
- Sep 15, 2004, 11:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
Counties Alachua County, FL, Gilchrist County, FL
The radar
The Jacksonville radar (KJAX), 130 km from the middle of the area, began a volume at 02:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 2.5 hours before the alert went out and 132 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.
- Mixed-layer CAPE
- 1501 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KJAX 160227
TORJAX
FLC001-041-160315-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1025 PM EDT WED SEP 15 2004
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN ALACHUA COUNTY IN NORTHERN FLORIDA
GILCHRIST COUNTY IN NORTHERN FLORIDA
THIS INCLUDES THE CITIES OF...TRENTON...BELL
* UNTIL 1115 PM EDT
* AT 1018 PM EDT...SKYWARN SPOTTERS REPORTED A TORNADO 23 MILES
SOUTHEAST OF TRENTON...OR NEAR WILLISTON...MOVING NORTHWEST AT 35
MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
9 MILES NORTHEAST OF TRENTON BY 1055 PM EDT
7 MILES NORTHEAST OF BELL BY 1110 PM EDT
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL
WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT
SEVERE WEATHER.
LAT...LON 2949 8247 2949 8255 2955 8257 2960 8286
2971 8294 2979 8293 2987 8286 2988 8287
2991 8277 2983 8269 2985 8259
$$
SANDRIKThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 6:16 PM EDT | Special Marine Warning | JAX | 89 min | |
| Sep 16, 7:45 PM EDT | Special Marine Warning | JAX | 75 min |
Nearby
Tornado Warnings in Florida, 2004Every tornado warning in 2004Tornadoes in 2004
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; radar from the NEXRAD Level II archive.