Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 7, NWS Louisville, KY

January 24, 1997Green County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 24, 1997, 5:08 PM CST for Green County, Kentucky. It was in force for 37 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: Jan 24, 1997, 5:08 PM CST (23:08 UTC)
Expired: Jan 24, 1997, 5:45 PM CST
In force: 37 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Green County, KY

The radar

The Louisville radar (KLVX), 86 km from the middle of the area, began a volume at 23:08 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.

What was reported inside it

Time	Report	Where	Remark
Jan 24, 5:40 PM CST	Hail 1.75	Allendale, KY

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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.1 hours before the alert went out and 157 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: 480 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 508 m²/s²
0-3 km storm-relative helicity: 610 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 
TTAA00 KSDF 242309 RRA
SVRSDF
KYC087-242345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
608 PM EST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EST
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL KENTUCKY
 
   ...CENTRAL AND EASTERN GREEN COUNTY
 
AT 6:06 PM EST...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING
GOLF BALL SIZE HAIL 5 MILES WEST OF GREENSBURG...OR 50 MILES NORTHWEST
OF SOMERSET...AND WAS MOVING NORTHEAST AT 35 MPH. THE STORM WILL AFFECT
GREENSBURG BY 6:15 PM...AND BLACKGNAT BY 6:20 PM. LARGE HAIL IS THE MAIN
THREAT WITH THE STORM.
 
THXIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...MOVE TO
SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE INSIDE...
STAY AWAY FROM WINDOWS. DO NOT GO NEAR DOWNED POWER LINES.
 
 
MCT/VLD

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 24, 4:04 PM CST	Severe Thunderstorm Warning	LMK	Barren, Warren	26 min
Jan 24, 4:32 PM CST	Severe Thunderstorm Warning	LMK	Barren	28 min
Jan 24, 4:50 PM CST	Severe Thunderstorm Warning	LMK	Fayette	25 min
Jan 24, 5:15 PM CST	Severe Thunderstorm Warning	LMK	Taylor	30 min
Jan 24, 5:43 PM CST	Severe Thunderstorm Warning	LMK	Barren, Metcalfe	47 min
Jan 24, 5:57 PM CST	Severe Thunderstorm Warning	LMK	Green	33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997 Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.