Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 34, NWS Tallahassee, FL

November 1, 1997Calhoun County, Jackson County, Florida

NWS Tallahassee, FL issued this tornado warning at Nov 1, 1997, 5:24 PM CST for Calhoun County, Jackson County, Florida. It was in force for 46 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: Nov 1, 1997, 5:24 PM CST (23:24 UTC)
Expired: Nov 1, 1997, 6:10 PM CST
In force: 46 min
Issued by: NWS Tallahassee, FL
Area: Whole counties

Counties Calhoun County, FL, Jackson County, FL

The radar

The Eglin Afb radar (KEVX), 69 km from the middle of the area, began a volume at 23:24 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
Nov 1, 1:15 PM CST	Tornado Watch	SPC	6 hr
Nov 1, 3:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.4 hours before the alert went out and 90 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: 8 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTLH 012323 RRA
TORTLH
FLC013-063-020010-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
624 PM EST SAT NOV 1 1997

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE FL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 610 PM CST (710 PM EST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTHWESTERN FLORIDA

   ...NORTHERN CALHOUN COUNTY
   ...SOUTHERN JACKSON COUNTY
 
AT 521 PM CST...A DEVELOPING TORNADO WAS INDICATED BY TALLAHASSEE
DOPPLER RADAR JUST SOUTHWEST OF ALTHA MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
ALTHA                     BY 531 PM CST
SNEADS                    BY 557 PM CST
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE
THE THREAT OF RISING WATER.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 1, 1:36 PM CST	Severe Thunderstorm Warning	TAE	Walton	54 min
Nov 1, 2:08 PM CST	Severe Thunderstorm Warning	TAE	Holmes, Washington	62 min
Nov 1, 2:39 PM CST	Severe Thunderstorm Warning	TAE	Jackson	66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.