Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 161, NWS Louisville, KY

July 28, 1997Boyle County, Mercer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 28, 1997, 4:43 PM EDT for Boyle County, Mercer County, Kentucky. It was in force for 47 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: Jul 28, 1997, 4:43 PM EDT (20:43 UTC)
Expired: Jul 28, 1997, 5:30 PM EDT
In force: 47 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Boyle County, KY, Mercer County, KY

The radar

The Louisville radar (KLVX), 99 km from the middle of the area, began a volume at 20:43 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

Time	Report	Where	Remark
Jul 28, 5:00 PM EDT	Thunderstorm Wind 50	Perryville, KY	Several trees 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, 8.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 985 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1187 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 65 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 282043 RRA
SVRSDF
KYC021-167-282130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
443 PM EDT MON JUL 28 1997

* SEVERE THUNDERSTORM WARNING FOR
  BOYLE COUNTY - EAST CENTRAL KENTUCKY
  SOUTHWESTERN MERCER COUNTY - EAST CENTRAL KENTUCKY

* UNTIL 530 PM EDT
 
* SOME LOCATIONS AFFECTED
  NEVADA AND PERRYVILLE

* AT 440 PM EDT...DOPPLER RADAR INDICATED A SEVERE STORM 30 MILES
SOUTH OF LEXINGTON...OR 9 MILES SOUTHWEST OF HARRODSBURG. THE STORM
WAS MOVING SOUTHEAST AT 10 MPH. DAMAGING WINDS ARE POSSIBLE WITH THIS
STORM.

TREES WERE BLOWN DOWN AND A WATER TANK WAS BLOWN DOWN IN
WILLISBURG IN WASHINGTON COUNTY.

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



DEWALD
 

&

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 28, 11:12 AM EDT, 5 hours 31 minutes before

KYZ023>034-038-045-046-053-054-063>065-089>100-INZ076>079-083-084-
089>092-282100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
11 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER HAS INDICATED THREAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS SOUTHERN INDIANA AND ALL OF CENTRAL
KENTUCKY THIS AFTERNOON AND EVENING.

HOT...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE TWO STATE
REGION. A COLD FRONT DROPPING SOUTHWARD INTO THE REGION THIS AFTERNOON
AND NIGHT WILL ACT AS A TRIGGER FOR INCREASED THUNDERSTORM ACTIVITY...
SOME OF WHICH COULD BECOME SEVERE.

THE PRIMARY SEVERE WEATHER THREAT IS FOR DAMAGING WINDS IN THE STRONGER
STORMS.

SPOTTER ACTIVATION MAY BE NEEEDED LATER THIS AFTERNOON AND NIGHT.

Local storm report, Jul 28, 2:04 PM EDT, 2 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
204 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PM    MODOC                     KY   .75 INCH HAIL
07/28/97   CUMBERLAND                     REPORTED BY NWS SPOTTER

Local storm report, Jul 28, 2:05 PM EDT, 2 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
204 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PVM    MODOC                     KY   .75 INCH HAIL
07/28/97   CUMBERLAND                     REPORTED BY NWS SPOTTER

Local storm report, Jul 28, 2:47 PM EDT, 1 hour 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
247 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0205 PM                              KY   WIND DAMAGE
07/28/97   CLINTON                        SEVERAL TREES DOWN ACROSS
                                          THE COUNTY. REPORTED BY
                                          COUNTY DISPATCH.

Local storm report, Jul 28, 2:48 PM EDT, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
247 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0205 PM                              KY   WIND DAMAGE
07/28/97   CLINTON                        SEVERAL TREES DOWN ACROSS
                                          THE COUNTY. REPORTED BY
                                          COUNTY DISPATCH.

Local storm report, Jul 28, 4:11 PM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
411 PM EDT MON JUL 28 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0406 PM    RUSSELLVILLE              KY   1.75 INCH HAIL
07/28/97   LOGAN                          HAIL REPORTED WEST OF
                                          RUSSELLVILLE ON HWY 68

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 9:06 PM EDT	Tornado Warning	LMK	Jefferson	24 min
Jul 28, 1:44 PM EDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland	31 min
Jul 28, 2:17 PM EDT	Flash Flood Warning	LMK	Clinton, Cumberland	63 min
Jul 28, 3:16 PM EDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe	34 min
Jul 28, 3:29 PM EDT	Severe Thunderstorm Warning	LMK	Casey	31 min
Jul 28, 3:59 PM EDT	Severe Thunderstorm Warning	LMK	Logan	46 min
Jul 28, 4:06 PM EDT	Severe Thunderstorm Warning	LMK	Barren, Metcalfe	49 min
Jul 28, 4:14 PM EDT	Severe Thunderstorm Warning	LMK	Green	66 min
Jul 28, 4:20 PM EDT	Severe Thunderstorm Warning	LMK	Simpson	35 min
Jul 28, 4:55 PM EDT	Severe Thunderstorm Warning	LMK	Allen	20 min
Jul 28, 7:50 PM EDT	Severe Thunderstorm Warning	LMK	Simpson, Warren	45 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997 Every 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.