Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 3, NWS Louisville, KY

January 22, 1997Cumberland County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 22, 1997, 6:59 PM CST for Cumberland County, Kentucky. It was in force for 31 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
Jan 22, 1997, 6:59 PM CST (00:59 UTC)
Expired
Jan 22, 1997, 7:30 PM CST
In force
31 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Cumberland County, KY

The radar

The Nashville radar (KOHX), 121 km from the middle of the area, began a volume at 01:02 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.0 hours before the alert went out and 131 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 00:00Z on 1997-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 296 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 00:00Z on 1997-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 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
296 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 230103 RRA
SVRSDF
KYC057-230130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
759 PM EST WED JAN 22 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EST
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL KENTUCKY
 
   ...CUMBERLAND COUNTY
 
AT 8:00 PM EST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCAT
NEAR MARROWBOND...WHICH IS 45 MILES SOUTHWEST OF SOMERSET. THE STORM WAS
MOVING EAST AT 30 AND WILL AFFECT BAKERTON AND BURKESVILLE BY 8:15 PM
EST. LARGE HAIL IS THE MAIN THREAT WITH THIS STORM.
 
MCT

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.