Alert archive / Kentucky / Tornado Warnings in 1997

Tornado Warning 22, NWS Louisville, KY

July 27, 1997Jefferson County, Kentucky

NWS Louisville, KY issued this tornado warning at Jul 27, 1997, 9:06 PM EDT for Jefferson County, Kentucky. It was in force for 24 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
Jul 27, 1997, 9:06 PM EDT (01:06 UTC)
Expired
Jul 27, 1997, 9:30 PM EDT
In force
24 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Jefferson County, KY

The radar

The Louisville radar (KLVX), 34 km from the middle of the area, began a volume at 01:06 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.1 hours before the alert went out and 212 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, Cncnati-Daytn, OH at 00:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 square meters per square second.193958Sfc1 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
201 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1463 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-84 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 280106 RRA
TORSDF
KYC111-280130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
906 PM EDT SUN JUL 27 1997

* TORNADO WARNING FOR
  EASTERN JEFFERSON COUNTY - NORTH CENTRAL KENTUCKY

* UNTIL 930 PM EDT
 
* SOME LOCATIONS AFFECTED
  MOVING EAST OF JEFFERSONTOWN BY 915 PM EDT

*AT 905 PM EDT WEATHER SERVICE RADAR INDICATED A TORNADO 2 MILES
SOUTHEAST OF JEFFERSONTOWN.  THE TORNADO WAS MOVING TO THE EAST
AT 10 TO 15 MPpH.

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
TORNADO...SEEK SHELTER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM
ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING. ABANDON MOBILE HOMES.

RNK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 1:44 PM EDTSevere Thunderstorm WarningLMKClinton, Cumberland31 min
Jul 28, 2:17 PM EDTFlash Flood WarningLMKClinton, Cumberland63 min
Jul 28, 3:16 PM EDTSevere Thunderstorm WarningLMKCumberland, Metcalfe34 min
Jul 28, 3:29 PM EDTSevere Thunderstorm WarningLMKCasey31 min
Jul 28, 3:59 PM EDTSevere Thunderstorm WarningLMKLogan46 min
Jul 28, 4:06 PM EDTSevere Thunderstorm WarningLMKBarren, Metcalfe49 min
Jul 28, 4:14 PM EDTSevere Thunderstorm WarningLMKGreen66 min
Jul 28, 4:20 PM EDTSevere Thunderstorm WarningLMKSimpson35 min
Jul 28, 4:43 PM EDTSevere Thunderstorm WarningLMKBoyle, Mercer47 min
Jul 28, 4:55 PM EDTSevere Thunderstorm WarningLMKAllen20 min
Jul 28, 7:50 PM EDTSevere Thunderstorm WarningLMKSimpson, Warren45 min

Nearby

Tornado Warnings in Kentucky, 1997Every tornado warning in 1997Tornadoes 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.