Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 152, NWS Louisville, KY

July 27, 1997Jefferson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 27, 1997, 5:54 PM EDT for Jefferson County, Kentucky. It was in force for 36 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, 5:54 PM EDT (21:54 UTC)
Expired
Jul 27, 1997, 6:30 PM EDT
In force
36 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 22:00 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 12:00Z, 9.9 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 12:00Z on 1997-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2569 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 1997-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
2569 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 272154 RRA
SVRSDF
KYC111-272230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
554 PM EDT SUN JUL 27 1997

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

* UNTIL 630 PM EDT
 
* SOME LOCATIONS AFFECTED
  MIDDLETOWN BY 615 PM

*AT 550 PM EDT WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM 7 MILES EAST OF DOWNTOWN LOUISVILLE NEAR MIDDLETOWN.
STRONG AND DAMAGING WINDS ARE POSSIBLE WITH THIS STORM.  IN ADDITION
LOCALLY HEAVY RAIN AND HAIL OR POSSIBLE.

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 HnAS PASSED.



RNK

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 27, 12:20 PM EDT, 5 hours 34 minutes before
KYZ001>043-045>049-053>057-061>067-070>078-081-082-089>100-
INZ076>079-083-084-089>092-282045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
NOON EDT SUN JUL 27 1997

...A HEAT ADVISORY IS IN EFFECT FOR WESTERN AND A LARGE PORTION OF
CENTRAL KENTUCKY THROUGH MONDAY...

...A HEAT ADVISORY IS ALSO IN EFFECT FOR A PORTION OF SOUTH CENTRAL
INDIANA THROUGH MONDAY...

IN KENTUCKY THE HEAT ADVISORY IS WEST OF AND INCLUDES THE COUNTIES
OF: LEWIS...MASON...ROBERTSON...NICHOLAS...BOURBON...CLARK...
MADISON...GARRARD...LINCOLN...CASEY...RUSSELL AND CLINTON.

IN SOUTH-CENTRAL INDIANA THE FOLLOWING COUNTIES ARE IN THE HEAT
ADVISORY: DUBOIS...ORANGE...WASHINGTON...SCOTT...JEFFERSON...PERRY...
CRAWFORD...HARRISON...FLOYD AND CLARK.
SOME CITIES IN THE HEAT ADVISORY INCLUDE LOUISVILLE...BOWLING
GREEN...AND LEXINGTON.

IN INDIANA SOME CITIES INCLUDED ARE NEW ALBANY AND JASPER.

A COMBINATION OF HOT TEMPERATURES FROM 95 TO 100 AND HIGH HUMIDITIES
FROM 40 TO 55 PERCENT WILL LEAD TO HEAT INDICES FROM 105 TO 115 DEGREES
OR MORE THIS AFTERNON AND EVENING AND ON MONDAY. WIDELY SCATTED
THUNDERSTORMS OFFER THE ONLY HOPE OF ANY RELIEF FROM THE OPRESSIVE
HEAT AND HUMIDITY. AT NOON EDT...HEAT INDICES WERE ALL ABOVE THE
ONE HUNDRED DEGREE MARK ACROSS THE TWO STATE REGION.

USE EXTRA CAUTION IN EXCESSIVE HEAT CONDITIONS. AVOID STRENUOUS
ACTIVITY.  TAKE FREQUENT BREAKS AND DRINK PLENTY OF WATER.  ALSO
WEAR LIGHT WEIGHT CLOTHING.

HEAT IS ESPECIALLY HARD ON THE ELDERLY...THE YOUNG...AND PERSONS
WITH RESPIRATORY ILLNESS.

AB
Special weather statement, Jul 27, 12:31 PM EDT, 5 hours 23 minutes before
KYZ001>043-045>049-053>057-061>067-070>078-081-082-089>100-
INZ076>079-083-084-089>092-282045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
NOON EDT SUN JUL 27 1997

...A HEAT ADVISORY IS IN EFFECT FOR WESTERN AND A LARGE PORTION OF
CENTRAL KENTUCKY THROUGH MONDAY...

...A HEAT ADVISORY IS ALSO IN EFFECT FOR A PORTION OF SOUTH CENTRAL
INDIANA THROUGH MONDAY...

IN KENTUCKY THE HEAT ADVISORY IS WEST OF AND INCLUDES THE COUNTIES
OF: LEWIS...MASON...ROBERTSON...NICHOLAS...BOURBON...CLARK...
MADISON...GARRARD...LINCOLN...CASEY...RUSSELL AND CLINTON.

IN SOUTH-CENTRAL INDIANA THE FOLLOWING COUNTIES ARE IN THE HEAT
ADVISORY: DUBOIS...ORANGE...WASHINGTON...SCOTT...JEFFERSON...PERRY...
CRAWFORD...HARRISON...FLOYD AND CLARK.
SOME CITIES IN THE HEAT ADVISORY INCLUDE LOUISVILLE...BOWLING
GREEN...AND LEXINGTON.

IN INDIANA SOME CITIES INCLUDED ARE NEW ALBANY AND JASPER.

A COMBINATION OF HOT TEMPERATURES FROM 95 TO 100 AND HIGH HUMIDITIES
FROM 40 TO 55 PERCENT WILL LEAD TO HEAT INDICES FROM 105 TO 115 DEGREES
OR MORE THIS AFTERNON AND EVENING AND AGAIN ON MONDAY. WIDELY SCATTERED
THUNDERSTORMS OFFER THE ONLY HOPE OF ANY RELIEF FROM THE OPRESSIVE
HEAT AND HUMIDITY. AT NOON EDT...HEAT INDICES WERE ALL ABOVE THE
ONE HUNDRED DEGREE MARK ACROSS THE TWO STATE REGION.

USE EXTRA CAUTION IN EXCESSIVE HEAT CONDITIONS. AVOID STRENUOUS
ACTIVITY.  TAKE FREQUENT BREAKS AND DRINK PLENTY OF WATER.  ALSO
WEAR LIGHT WEIGHT CLOTHING.

HEAT IS ESPECIALLY HARD ON THE ELDERLY...THE YOUNG...AND PERSONS
WITH RESPIRATORY ILLNESS.

AB
Special weather statement, Jul 27, 3:31 PM EDT, 2 hours 23 minutes before
KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WESTHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
331 PM EDT SUN JUL 27 1997

KYZ029>044-049>052-089>100-104-INZ076>079-083-084-090>092-280830-
ANDERSON-BATH-BOONE-BOURBON-BRACKEN-BULLITT-CAMPBELL-CARROLL-
CLARK IN-CLARK-CRAWFORD IN-DUBOIS IN-ELLIOTT-FAYETTE-FLEMING-
FLOYD IN-FRANKLIN-GALLATIN-GRANT-HARRISON IN-HARRISON-HENRY-
JEFFERSON IN-JEFFERSON-KENTON-LEWIS-MASON-MONTGOMERY-NICHOLAS-OLDHAM-
ORANGE IN-OWEN-PENDLETON-ROBERTSON-ROWAN-SCOTT IN-SCOTT-SHELBY-
SPENCER-TRIMBLE-WASHINGTON IN-WOODFORD-
INCLUDING THE CITIES OF...CORYDON...COVINGTON...CYNTHIANA...
FRANKFORT...JASPER...LEXINGTON...LOUISVILLE...MAYSVILLE...MOREHEAD...
NEW ALBANY...SCOTTSBURG...SHELBYVILLE...VERSAILLES...WINCHESTER
331 PM EDT/231 PM EST SUN JUL 27 1997

VERY HOT...HUMID AND UNSTABLE AIR IS IN PLACE ACROSS NORTHERN
KENTUCKY AND SOUTH CENTRAL INDIANA. EXPECT SHOWERS AND THUNDERSTORMS
TO CONTINUE TO DEVELOP IN THE AREA THIS EVENING AND TONIGHT. SOME OF
THIS ACTIVITY COULD BECOME SEVERE. THE IS A CHANCE FOR SEVERE STORMS
OVER NORTHERN KENTUCKY AND ADJACENT PORTIONS OF SOUTHERN INDIANA. THE
BEST CHANCE OF ISOLATED SEVERE STORMS WILL BE ALONG AND TO THE NORTH
OF A LINE FROM LOUISVILLE EAST THROUGH LEXINGTON AND ON EAST ACROSS
SOUTHERN LAWRENCE COUNTY IN EXTREME EAST KENTUCKY.

THE MAIN THREAT OF SEVERE WEATHER FROM ANY SEVERE STORMS THAT DO
DEVELOP WOULD BE STRONG AND GUSTY DAMAGING WINDS AND POSSIBLE HEAVY
RAIN.
Special weather statement, Jul 27, 3:32 PM EDT, 2 hours 22 minutes before
KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WESTHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
331 PM EDT SUN JUL 27 1997

KYZ029>044-049>052-089>100-104-INZ076>079-083-084-090>092-280830-
ANDERSON-BATH-BOONE-BOURBON-BRACKEN-BULLITT-CAMPBELL-CARROLL-
CLARK IN-CLARK-CRAWFORD IN-DUBOIS IN-ELLIOTT-FAYETTE-FLEMING-
FLOYD IN-FRANKLIN-GALLATIN-GRANT-HARRISON IN-HARRISON-HENRY-
JEFFERSON IN-JEFFERSON-KENTON-LEWIS-MASON-MONTGOMERY-NICHOLAS-OLDHAM-
ORANGE IN-OWEN-PENDLETON-ROBERTSON-ROWAN-SCOTT IN-SCOTT-SHELBY-
SPENCER-TRIMBLE-WASHINGTON IN-WOODFORD-
INCLUDING THE CITIES OF...CORYDON...COVINGTON...CYNTHIANA...
FRANKFORT...JASPER...LEXINGTON...LOUISVILLE...MAYSVILLE...MOREHEAD...
NEW ALBANY...SCOTTSBURG...SHELBYVILLE...VERSAILLES...WINCHESTER
331 PM EDT/231 PM EST SUN JUL 27 1997

VERY HOT...HUMID AND UNSTABLE AIR IS IN PLACE ACROSS NORTHERN
KENTUCKY AND SOUTH CENTRAL INDIANA. EXPECT SHOWERS AND THUNDERSTORMS
TO CONTINUE TO DEVELOP IN THE AREA THIS EVENING AND TONIGHT. SOME OF
THIS ACTIVITY COULD BECOME SEVERE. THE IS A CHANCE FOR SEVERE STORMS
OVER NORTHERN KENTUCKY AND ADJACENT PORTIONS OF SOUTHERN INDIANA. THE
BEST CHANCE OF ISOLATED SEVERE STORMS WILL BE ALONG AND TO THE NORTH
OF A LINE FROM LOUISVILLE EAST THROUGH LEXINGTON AND ON EAST ACROSS
SOUTHERN LAWRENCE COUNTY IN EXTREME EAST KENTUCKY.

THE MAIN THREAT OF SEVERE WEATHER FROM ANY SEVERE STORMS THAT DO
DEVELOP WOULD BE STRONG AND GUSTY DAMAGING WINDS AND POSSIBLE HEAVY
RAIN.

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.