Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 29, NWS Jacksonville, FL

October 26, 1997Hamilton County, Florida

NWS Jacksonville, FL issued this tornado warning at Oct 26, 1997, 7:59 PM EST for Hamilton County, Florida. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 26, 1997, 7:59 PM EST (00:59 UTC)
Expired: Oct 26, 1997, 9:00 PM EST
In force: 61 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

County Hamilton County, FL

What was reported inside it

Time	Report	Where	Remark
Oct 26, 8:15 PM EST	Tornado F0	Jasper, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 26, 5:00 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 1.0 hours before the alert went out and 120 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: 2292 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 792 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 13.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAX 270059 RRA
TORJAX
FLC047-270200-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
759 PM EST SUN OCT 26 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM EST
FOR PERSONS IN THE FOLLOWING LOCATIONS...
 
IN NORTH FLORIDA
 
   ...HAMILTON COUNTY
 
AT 759 PM NATIONAL WEATHER SERVICE DOPPLER RADAR IN JACKSONVILLE WAS
SHOWING A POSSIBLE TORNADO JUST NORTHWEST OF THE SUWANNNEE RIVER STATE
PARK...OR WEST OF WESTLAKE ALONG COUNTY ROAD 6. THIS STORM IS MOVING
EAST AND NORTHEAST AROUND 30 MPH AND MAY MOVE INTO THE WESTLAKE AREA BY
815 PM. THE STORM MAY REACH THE JASPER AREA BY 825 PM.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
PM/KK

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 26, 8:53 PM EST	Severe Thunderstorm Warning	JAX	Suwannee	52 min
Oct 26, 9:40 PM EST	Severe Thunderstorm Warning	JAX	Suwannee	50 min
Oct 26, 9:55 PM EST	Severe Thunderstorm Warning	JAX	Nassau	65 min
Oct 26, 10:13 PM EST	Severe Thunderstorm Warning	JAX	Duval	47 min
Oct 26, 10:16 PM EST	Severe Thunderstorm Warning	JAX	Gilchrist	44 min

Nearby

Tornado Warnings in Florida, 1997 Every tornado warning in 1997 Tornadoes in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.