Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 42, NWS Louisville, KY

March 28, 1997Bullitt County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 28, 1997, 6:15 PM EST for Bullitt County, Kentucky. It was in force for 45 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
Mar 28, 1997, 6:15 PM EST (23:15 UTC)
Expired
Mar 28, 1997, 7:00 PM EST
In force
45 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Bullitt County, KY

The radar

The Louisville radar (KLVX), 22 km from the middle of the area, began a volume at 23:18 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.

IssuedProductOfficeLasted
Mar 28, 6:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.3 hours before the alert went out and 220 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1997-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1997-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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 282316 RRA
SVRSDF
KYC029-290000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
615 PM EST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EST
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL KENTUCKY
 
   ...BULLITT COUNTY
 
AT 615 PM EST WEATHER SERVICE DOPPLAR RADAR INDICATED A SEVERE
THUNDERSTORM NEAR THE NORTHERN HARDIN...WESTERN BULLITT COUNTY LINE.
 
THE STORM WAS MOVING NORTHEAST AT 35 MPH. SOME CITIES IN THE PATH OF THE
STORM ARE SHEPERDSVILLE AND CLERMONT BY 625 PM EST.
 
LARGE HAIL IS LIKELY WITH THIS STORM.
 
 
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 WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
RNK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 5:33 PM ESTSevere Thunderstorm WarningLMKBreckinridge42 min
Mar 28, 5:52 PM ESTSevere Thunderstorm WarningLMKGrayson38 min
Mar 28, 6:01 PM ESTSevere Thunderstorm WarningLMKHardin44 min
Mar 28, 6:15 PM ESTSevere Thunderstorm WarningLMKLogan30 min
Mar 28, 6:26 PM ESTSevere Thunderstorm WarningLMKEdmonson, Warren34 min
Mar 28, 6:37 PM ESTSevere Thunderstorm WarningLMKGrayson, Hardin38 min
Mar 28, 6:46 PM ESTTornado WarningLMKHardin29 min
Mar 28, 6:49 PM ESTSevere Thunderstorm WarningLMKHart41 min
Mar 28, 6:59 PM ESTSevere Thunderstorm WarningLMKLarue, Nelson, Spencer46 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.