Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 134, NWS Louisville, KY

June 21, 1997Bullitt County, Jefferson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 21, 1997, 2:22 PM EDT for Bullitt County, Jefferson County, Kentucky. It was in force for 68 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
Jun 21, 1997, 2:22 PM EDT (18:22 UTC)
Expired
Jun 21, 1997, 3:30 PM EDT
In force
68 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Bullitt County, KY, Jefferson County, KY

The radar

The Louisville radar (KLVX), 26 km from the middle of the area, began a volume at 18:22 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

TimeReportWhereRemark
Jun 21, 2:30 PM EDTThunderstorm Wind 50Jeffersontown, KYSeveral trees were blown down.

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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 222 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 12:00Z on 1997-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 411 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, Cncnati-Daytn, OH at 12:00Z on 1997-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
411 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
3 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.

365 
WUUS1 KSDF 211823
SVRSDF
KYC029-111-211925-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
222 PM EDT SAT JUN 21 1997

* SEVERE THUNDERSTORM WARNING FOR
  CENTRAL AND EASTERN BULLITT COUNTY - NORTH CENTRAL KENTUCKY
  CENTRAL AND EASTERN JEFFERSON COUNTY - NORTH CENTRAL KENTUCKY

* UNTIL 330 PM EDT
 
* SOME LOCATIONS AFFECTED
  MIDDLETOWN BY 230 PM EDT
  JEFFERSONTOWN BY 230 PM EDT
  MT. WASHINGTON BBY 240 PM EDT

* AT 225 PM EDT...SEVERE THUNDERSTORMS WERE JUST WEST OF INERSTATE 65
IN JEFFERSON AND BULLITT COUNTIES NEAR TO 20 MILES SOUTH OF
LOUISVILLE.  THESE STORMS ARE MOVING NORTHEAST AT 10 TO 15 MPH.

IF YOU ARE OUTSIDE OR IN THE PATH OF THIS STORM...SEEK SHELTER INSIDE
A STRONG BUILDING. AVOID WINDOWS AND STAY OFF THE TELEPHONE UNTIL
THE STORM HAS PASSED.

REITMEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:25 PM EDTFlash Flood WarningLMKGrayson60 min
Jun 21, 12:25 PM EDTSevere Thunderstorm WarningLMKGrayson60 min
Jun 21, 12:34 PM EDTFlash Flood WarningLMKEdmonson, Warren2 hr
Jun 21, 12:44 PM EDTSevere Thunderstorm WarningLMKEdmonson61 min
Jun 21, 1:26 PM EDTFlash Flood WarningLMKHardin64 min
Jun 21, 1:26 PM EDTSevere Thunderstorm WarningLMKHardin59 min
Jun 21, 1:26 PM EDTSevere Thunderstorm WarningLMKHardin64 min
Jun 21, 2:22 PM EDTFlash Flood WarningLMKBullitt, Jefferson68 min
Jun 21, 2:48 PM EDTFlash Flood WarningLMKOldham77 min
Jun 21, 4:25 PM EDTFlash Flood WarningLMKWarren65 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.