Alert archive / Florida / Tornado Warnings in 2004
Tornado Warning 101, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Sep 26, 2004, 7:22 PM EDT for Duval County, Saint Johns County, Florida. It was in force for 23 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 26, 2004, 7:22 PM EDT (23:22 UTC)
- Expired
- Sep 26, 2004, 7:45 PM EDT
- In force
- 23 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
Counties Duval County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 16 km from the middle of the area, began a volume at 23:22 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 26, 4:25 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 11.4 hours before the alert went out and 17 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
- 1022 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KJAX 262323
TORJAX
FLC031-109-262345-
/X.NEW.KJAX.TO.W.0010.040926T2322Z-040926T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
722 PM EDT SUN SEP 26 2004
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN DUVAL COUNTY IN NORTHEAST FLORIDA
THIS INCLUDES THE CITIES OF...UNF...TALBOT ISLAND...MAYPORT...
MANDARIN...JACKSONVILLE INTERNATIONAL...JACKSONVILLE BEACH...
DOWNTOWN JACKSONVILLE...ARLINGTON
NORTHEASTERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA
THIS INCLUDES THE CITIES OF...PONTE VEDRA BEACH...PALM VALLEY...
GUANA RIVER STATE PARK
* UNTIL 745 PM EDT
* AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DEVELOPING TORNADO 13 MILES EAST OF GUANA RIVER STATE PARK...MOVING
NORTHWEST AT 60 MPH. THIS TORNADO WARNING REPLACES THE PREVIOUS
TORNADO WARNING VALID THROUGH 730 PM EDT.
* THE TORNADO IS EXPECTED TO BE NEAR...
SAWGRASS AND PALM VALLEY BY 730 PM EDT
JACKSONVILLE BEACH AND PONTE VEDRA BEACH BY 735 PM EDT
MAYPORT...NEPTUNE BEACH...FORT CAROLINE AND SAN PABLO BY 740 PM EDT
LITTLE TALBOT ISLAND AND TALBOT ISLAND BY 745 PM EDT
WATERSPOUTS MAY CAUSE LOCALIZED DAMAGE AS THEY MOVE ONSHORE. IF YOU
ARE IN THE PATH OF THIS WATERSPOUT...PLEASE GO TO A SAFE PLACE
IMMEDIATELY.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SUNDAY MORNING FOR
NORTHEASTERN FLORIDA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
MIDNIGHT EDT SUNDAY MORNING FOR NORTHEAST FLORIDA.
LAT...LON 3009 8133 3012 8165 3052 8172 3056 8170
3055 8167 3057 8162 3054 8160 3053 8153
3056 8150 3050 8141
$$
SANDRIKThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 12:28 AM EDT | Tornado Warning | JAX | Flagler | 32 min |
| Sep 26, 11:43 AM EDT | Tornado Warning | JAX | Flagler | 47 min |
| Sep 26, 2:34 PM EDT | Tornado Warning | JAX | Saint Johns | 41 min |
| Sep 26, 4:46 PM EDT | Tornado Warning | JAX | Nassau | 14 min |
| Sep 26, 4:59 PM EDT | Tornado Warning | JAX | Nassau | 16 min |
| Sep 26, 5:07 PM EDT | Tornado Warning | JAX | Duval, Saint Johns | 38 min |
| Sep 26, 6:59 PM EDT | Tornado Warning | JAX | Saint Johns | 31 min |
| Sep 26, 7:12 PM EDT | Tornado Warning | JAX | Duval | 18 min |
| Sep 26, 7:54 PM EDT | Tornado Warning | JAX | Duval, Nassau, Saint Johns | 51 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.