Alert archive / Florida / Tornado Warnings in 2000

Tornado Warning 33, NWS Jacksonville, FL

April 24, 2000Baker County, Columbia County, Florida

NWS Jacksonville, FL issued this tornado warning at Apr 24, 2000, 5:42 PM EDT for Baker County, Columbia County, Florida. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 24, 2000, 5:42 PM EDT (21:42 UTC)
Expired: Apr 24, 2000, 6:15 PM EDT
In force: 33 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

Counties Baker County, FL, Columbia County, FL

The radar

The Jacksonville radar (KJAX), 76 km from the middle of the area, began a volume at 21:46 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
Apr 24, 1:30 PM EDT	Tornado Watch	SPC	6 hr
Apr 24, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.7 hours before the alert went out and 76 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 193 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 
WFUS52 KJAX 242142
TORJAX
FLC003-023-242215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
542 PM EDT MON APR 24 2000

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BAKER COUNTY IN NORTHEAST FLORIDA
  NORTHEASTERN COLUMBIA COUNTY IN NORTHERN FLORIDA

* UNTIL 615 PM EDT

* AT 536 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER NORTHEASTERN COLUMBIA COUNTY...OR ABOUT 13
  MILES SOUTH OF FARGO...MOVING EAST AT 30 MPH.

THIS IS A EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
TORNADO. EVACUATE MOBILE HOMES AND GO TO A STURDY BUILDING. IN A
STURDY BUILDImNG MOVE TO A PLACE OF SAFETY...AWAY FROM WINDOWS...IN AN
INTERIOR ROOM ON THE LOWEST FLOOR IF YOU ARE IN THE PATH OF THIS
TORNADO.


$$

BAILEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 3:29 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	46 min
Apr 24, 4:21 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia	39 min
Apr 24, 4:32 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	43 min
Apr 24, 6:21 PM EDT	Tornado Warning	JAX	Columbia, Hamilton	24 min
Apr 24, 6:54 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia	36 min

Nearby

Tornado Warnings in Florida, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.