Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 47, NWS Louisville, KY

March 28, 1997Larue County, Nelson County, Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 28, 1997, 6:59 PM EST for Larue County, Nelson County, Spencer County, Kentucky. It was in force for 46 min. 3 reports 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: Mar 28, 1997, 6:59 PM EST (23:59 UTC)
Expired: Mar 28, 1997, 7:45 PM EST
In force: 46 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Larue County, KY, Nelson County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 44 km from the middle of the area, began a volume at 00:03 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
Mar 28, 7:15 PM EST	Tornado F0	Bardstown, KY
Mar 28, 7:22 PM EST	Tornado F3	Magnolia, KY
Mar 28, 7:31 PM EST	Tornado F2	Creal, 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 28, 6:00 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 12.0 hours before the alert went out and 209 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: 554 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 287 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 290001 RRA
SVRSDF
KYC123-179-215-290045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
659 PM EST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EST
FOR PERSONS IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL KENTUCKY
 
   ...LARUE COUNTY...NELSON COUNTY...SPENCER COUNTY
 
AT 658 PM EST...NWS DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS FROM 15
MILES SOUTHEAST OF LOUISVILLE ALONG THE BULLITT/SPENCER COUNTY LINE TO
ABOUT 40 MILES SOUTH OF LOUISVILLE NEAR UPTON. THIS CLUSTER OF
THUNDERSTORMS IS MOVING EAST AT 30 MPH AND WILL AFFECT TAYLORSVILLE BY
705 PM EST...AND BARDSTOWN AND HODGENVILLE BY 715 PM EST.
 
LARGE HAIL IS POSSIBLE WITH THESE STORMS.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WAR@NING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
TF/VLD

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 5:33 PM EST	Severe Thunderstorm Warning	LMK	Breckinridge	42 min
Mar 28, 5:52 PM EST	Severe Thunderstorm Warning	LMK	Grayson	38 min
Mar 28, 6:01 PM EST	Severe Thunderstorm Warning	LMK	Hardin	44 min
Mar 28, 6:15 PM EST	Severe Thunderstorm Warning	LMK	Logan	30 min
Mar 28, 6:15 PM EST	Severe Thunderstorm Warning	LMK	Bullitt	45 min
Mar 28, 6:26 PM EST	Severe Thunderstorm Warning	LMK	Edmonson, Warren	34 min
Mar 28, 6:37 PM EST	Severe Thunderstorm Warning	LMK	Grayson, Hardin	38 min
Mar 28, 6:46 PM EST	Tornado Warning	LMK	Hardin	29 min
Mar 28, 6:49 PM EST	Severe Thunderstorm Warning	LMK	Hart	41 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.