Alert archive / Kentucky / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 221, NWS Louisville, KY

September 20, 2000Bourbon County, Harrison County, Scott County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Sep 20, 2000, 9:04 PM EDT for Bourbon County, Harrison County, Scott County, Kentucky. It was in force for 26 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: Sep 20, 2000, 9:04 PM EDT (01:04 UTC)
Expired: Sep 20, 2000, 9:30 PM EDT
In force: 26 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Bourbon County, KY, Harrison County, KY, Scott County, KY

What was reported inside it

Time	Report	Where	Remark
Sep 20, 9:20 PM EDT	Thunderstorm Wind 60 E	Paris, KY

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 20, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Sep 20, 8:30 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.1 hours before the alert went out and 134 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: 579 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1294 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 628 m²/s²
0-3 km storm-relative helicity: 807 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 15.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLMK 210104
SVRSDF
KYC017-097-209-210130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
904 PM EDT WED SEP 20 2000

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOURBON COUNTY IN EAST CENTRAL KENTUCKY
  EASTERN HARRISON COUNTY IN EAST CENTRAL KENTUCKY
  EASTERN SCOTT COUNTY IN EAST CENTRAL KENTUCKY

* UNTIL 930 PM EDT

* AT 859 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM SUNRISE TO GEORGETOWN...OR FROM
  35 MILES NORTH OF LEXINGTON TO 10 MILES NORTHWEST OF LEXINGTON...
  MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CENTERVILLE...COLVILLE AROUND 915 PM EDT
  RUDDELS MILLS AROUND 925 PM EDT
  CLINTONVILLE...MILLERSBURG...NORTH MIDDLETOWN...PARIS AROUND 930 PM
  EDT

THIS IS A DANGEROUS LINE OF STORMS...CAPABLE OF PRODUCING VERY
DAMAGING WINDS. IF YOU ARE IN THIS STORM'S PATH...TAKE COVER
IMMEDIATELY IN A STURDY STRUCTURE UNTIL IT HAS PASSED. STAY AWAY FROM
WINDOWS AND ANY DOWNED POWER LINES.

REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN LOUISVILLE.

COX

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.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 20, 3:10 PM EDT, 5 hours 54 minutes earlier.

Area forecast discussion, Sep 20, 3:10 PM EDT, 5 hours 54 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
310 PM EDT WED SEP 20 2000

THANKS ILN FOR SPECIAL 18Z SOUNDING.  PRONOUNCED SPEED SHEAR SHOWN ON
18Z ILN SOUNDING DATA FM SFC-H85.

MEANWHILE...WATER VAPOR IMAGERY SHOWING STG S/W IN NW MO...MODELED TO
REACH FM THE CNTRL LKS THRU THE OH VLY TNGT. RGT ENRANCE RGN OF JET
THIS EVNG SHUD ENHANCE DIFFLUENCE ACR RGN THIS EVNG...HELPG TO PUMP
UP VERTICAL MOTION FIELDS.  WUD EXPECT CONVG AHD OF APRCHG CDFNT...
IN CONJUNCTION WITH APRCHG S/W ... TO ALLOW RATHER SIG SQUALL LINE
POTENTIAL TO MOVE ACRS OUR FORECAST AREA (FA) THIS EVNG...FOLLOWED
BY STATIFORM RAIN/EMBEDDED THUNDERSTORMS.

RUNNING UP LCL MESO STATS...SEEMS LIKE RATHER DECENT LIKELIHOOD OF
WND DAMAGE EVNT SPCLY NRN 1/2 OF FA. STRAIGHT LINE HODOGRAPH FM
ILN ALSO IMPLIES PSBL RGT TURNERS AND ISO TORNADOES ERY ON AS WELL.

OTHERWISE BUBBLE HIGH PRESSURE TO FOLLOW ON THU...WITH QUIET WX
THEN.

WEAK ISENTROPIC LFTG PTN THEN COMMENCING THU NITE AND FRI WITH CHC
SHWRS...AS MOISTURE COLLECTING ALNG GULF COAST LFTS NWWD.

.SDF...NONE.

STUREY

In the hours before

Local storm report, Sep 20, 7:51 PM EDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
751 PM EDT WED SEP 20 2000

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

0745 PM    VERTREES                  KY   WIND DAMAGE
09/20/00   HARDIN                         REPORTED BY PUBLIC.
                                          NUMEROUS TREES DOWN.

Local storm report, Sep 20, 8:03 PM EDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
803 PM EDT WED SEP 20 2000

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

0755 PM    BROOKS                    KY   55 MPH TSTM GUST
09/20/00   BULLITT                        REPORTED BY HAM RADIO
                                          OPERATOR. ESTIMATED
                                          WIND. TREES DOWN.

Local storm report, Sep 20, 8:23 PM EDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
823 PM EDT WED SEP 20 2000

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

0810 PM    LOUISVILLE                KY   WIND DAMAGE
09/20/00   JEFFERSON                      REPORTED BY EMERGENCY
                                          MANAGEMENT. NUMEROUS
                                          REPORTS OF TREES AND
                                          POWER LINES DOWN.
                                          SIMILAR DAMAGE IN
                                          EASTERN BULLITT COUNTY.

Local storm report, Sep 20, 8:42 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
842 PM EDT WED SEP 20 2000

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

0755 PM    BEDFORD                   KY   WIND DAMAGE
09/20/00   TRIMBLE                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          TREES DOWN COUNTYWIDE.
                                          TREES ALSO REPORTED
                                          DOWN IN HENRY COUNTY.

Local storm report, Sep 20, 8:55 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
855 PM EDT WED SEP 20 2000

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

0818 PM    TAYLORSVILLE              KY   WIND DAMAGE
09/20/00   SPENCER                        REPORTED BY EMERGENCY
                                          MANAGEMENT. REPORTED
                                          TREES DOWN ALONG
                                          HIGHWAY 1060 NEAR THE
                                          BULLITT COUNTY  LINE.

Local storm report, Sep 20, 9:00 PM EDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
900 PM EDT WED SEP 20 2000

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

0825 PM    SHELBYVILLE               KY   WIND DAMAGE
09/20/00   SHELBY                         TREES DOWN ACROSS ROAD
                                          AND ACROSS POWER LINES.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 20, 8:02 PM EDT	Severe Thunderstorm Warning	LMK	Shelby, Spencer	43 min
Sep 20, 8:26 PM EDT	Severe Thunderstorm Warning	LMK	Edmonson, Warren	24 min
Sep 20, 8:47 PM EDT	Severe Thunderstorm Warning	LMK	Marion, Washington	18 min
Sep 20, 9:08 PM EDT	Severe Thunderstorm Warning	LMK	Mercer, Woodford	37 min
Sep 20, 9:13 PM EDT	Severe Thunderstorm Warning	LMK	Fayette, Jessamine	47 min
Sep 20, 9:15 PM EDT	Severe Thunderstorm Warning	LMK	Boyle	20 min
Sep 20, 9:18 PM EDT	Severe Thunderstorm Warning	LMK	Nicholas	27 min
Sep 20, 9:33 PM EDT	Severe Thunderstorm Warning	LMK	Clark	27 min
Sep 20, 9:47 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	33 min
Sep 20, 9:52 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	38 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2000 Every severe thunderstorm warning in 2000

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.