A nearly stationary surface boundary located across southern Indiana and into northern Kentucky produced scattered thunderstorms with some producing damaging wind gusts across northern portions of the Bluegrass region.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LMK wrote it up.
A nearly stationary surface boundary located across southern Indiana and into northern Kentucky produced scattered thunderstorms with some producing damaging wind gusts across northern portions of the Bluegrass region.
The local office's own words before the first event, 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 the first event at Jun 20, 2:15 AM EST, 2 hours 32 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOUISVILLE KY 315 AM EDT SAT JUN 20 2009 .SHORT TERM (TODAY AND TONIGHT)... SHOWERS AND THUNDERSTORMS EARLY THIS MORNING WILL BE ON THE WANE...BECOMING WIDELY SCATTERED SOON AFTER SUNRISE. IT APPEARS THE BEST CHANCE OF SHOWERS AND A STORM OR TWO THIS MORNING WILL BE ALONG AND A COUPLE COUNTIES EITHER SIDE OF THE I-64 CORRIDOR. THAT ACTIVITY SHOULD DIMINISH BY LATE MORNING. THEN THIS AFTERNOON SCATTERED REDEVELOPMENT IS POSSIBLE...PRIMARILY OVER SOUTHERN KENTUCKY. LEFTOVER BOUNDARIES FROM MORNING CONVECTION MAY HELP TO SERVE AS A FOCUS FOR RENEWED DEVELOPMENT. ANY AFTERNOON THUNDERSTORMS WILL THEN DIMINISH THIS EVENING WITH LOSS OF HEATING...FOLLOWED BY PARTLY CLOUDY SKIES. WENT ON THE LOW SIDE OF GUIDANCE FOR HIGH TEMPS TODAY WITH WET GROUND AND A FAIR AMOUNT OF DEBRIS CLOUD POSSIBLE THIS MORNING...ESPECIALLY IN THE NORTH. HIGHS SHOULD STILL RANGE IN THE UPPER 80S TO LOWER 90S HOWEVER...AND MUGGY CONDITIONS WILL CONTINUE AS WELL. TONIGHT TEMPERATURES WILL FALL INTO THE UPPER 60S AND LOWER 70S. .LONG TERM (SUNDAY THROUGH FRIDAY)... SUNDAY THROUGH TUESDAY... HEADING INTO SUNDAY THE FRONT MAKING PROGRESSING THROUGH ON SATURDAY WILL WEAKEN AND BEGIN TO TAKE ON A NORTHWEST TO SOUTHEAST ORIENTATION. THIS TRANSITION WILL OCCUR AS THE BOUNDARY IS STALLED OUT ACROSS THE SOUTH CENTRAL KENTUCKY. HAVE INSERTED A SLIGHT CHANCE OF PRECIPITATION FOR THIS REGION ON SUNDAY. ON MONDAY THE GFS...NAM...AND SREF ARE ALL IN AGREEMENT WITH DEVELOPING PRECIPITATION OVER INDIANA WHICH WILL THEN PROGRESS SOUTHWARD OVER KENTUCKY DURING THE AFTERNOON AND EVENING HOURS. HAVE THEREFORE RAISED POPS TO THE CHANCE RANGE FOR MONDAY. CONDITIONS WILL CONTINUE TO REMAIN HOT AND MUGGY THROUGH THIS PERIOD WITH HIGHS RANGING FROM THE UPPER 80S TO THE LOWER 90S. LOWS WILL BE GENERALLY BE IN THE UPPER 60S TO LOW 70S. NO CHANGES WERE MADE TO THE EXTENDED PERIOD. THE PREVIOUS DISCUSSION FOLLOWS. WEDNESDAY THROUGH FRIDAY... BOTH THE ECMWF AND THE GFS FORECAST A FLATTENING OF THE UPPER AIR FLOW...WITH A ZONAL JET BECOMING ESTABLISHED ACROSS THE NORTHERN TIER OF STATES. WITH THE STORM TRACK BECOMING ESTABLISHED NEAR THE CANADIAN BORDER...EXPECT DRY...BUT HUMID AND MOSTLY CLEAR CONDITIONS FOR THE LOWER OHIO VALLEY. && .AVIATION (06Z TAFS)... WATCHING THUNDERSTORMS NORTH OF THE TERMINALS EARLY THIS MORNING. OVER THE PAST SEVERAL HOURS STORMS HAVE BEEN FALLING APART AS THEY APPROACH THE OHIO RIVER. SEVERAL DIFFERENT MODEL SOLUTIONS AGREE THAT THIS TREND WILL CONTINUE. SO...WILL NOT HAVE MUCH IN THE WAY OF TSRA AT THE TAF SITES. WILL INCLUDE A CB CLOUD TYPE AT SDF AND LEX DURING THE MORNING HOURS AFTER SUNRISE AS THE REMNANTS OF THE COMPLEX TO OUR NORTH FINALLY SLIDE THROUGH. SOME REDEVELOPMENT WILL BE POSSIBLE THIS AFTERNOON OVER SOUTHERN KENTUCKY ON ANY LEFTOVER BOUNDARIES FROM THE MORNING CONVECTION. HOWEVER COVERAGE WILL BE SO SPARSE THAT BWG TAF FOR NOW WILL JUST HAVE A CB CLOUD TYPE. INSERTED LOW LEVEL SHEAR IN THE TAFS FOR THE PRE-DAWN HOURS AS LOW LEVEL JET STRENGTHENS. VWP AT KLVX HAS BEEN SHOWING 40KT WINDS AT 2000 FEET SINCE JUST BEFORE 1AM. && .LMK WATCHES/WARNINGS/ADVISORIES... KY...NONE. IN...NONE. && SHORT TERM..13 LONG TERM...EES AVIATION....13
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 428 AM EDT SAT JUN 20 2009 INZ076>079-083-084-089>092-KYZ023>025-028>040-042-043-045-210830- ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN- CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY- BRECKINRIDGE KY-MEADE KY-HARDIN KY-BULLITT KY-JEFFERSON KY- OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY-SCOTT KY- HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY-BOURBON KY- NICHOLAS KY-NELSON KY- 428 AM EDT SAT JUN 20 2009 /328 AM CDT SAT JUN 20 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY. .DAY ONE...TODAY AND TONIGHT. THUNDERSTORMS OVER SOUTHERN INDIANA AND NORTHERN KENTUCKY WILL GREATLY DIMINISH BY 800 AM EDT. THROUGH THAT TIME THE MAIN THREAT FROM THE STORMS WILL BE DANGEROUS LIGHTNING AND A FEW STRONG WIND GUSTS. ISOLATED THUNDERSTORM REDEVELOPMENT WILL BE POSSIBLE THIS AFTERNOON. ADDITIONAL SEVERE WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THERE WILL BE A CHANCE FOR THUNDERSTORMS ON MONDAY ACROSS SOUTHERN INDIANA AND CENTRAL KENTUCKY AS UPPER LEVEL FLOW SHIFTS TO THE NORTHWEST. THE MAIN THREATS FROM THESE STORMS WILL BE GUSTY WINDS...BRIEF HEAVY RAINFALL...AND DANGEROUS LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. KYZ026-027-041-046>049-053>057-061>067-070>078-081-082-210830- OHIO KY-GRAYSON KY-FAYETTE KY-WASHINGTON KY-MERCER KY- JESSAMINE KY-CLARK KY-LARUE KY-MARION KY-BOYLE KY-GARRARD KY- MADISON KY-BUTLER KY-EDMONSON KY-HART KY-GREEN KY-TAYLOR KY- CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-SIMPSON KY-ALLEN KY- BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY-CUMBERLAND KY- CLINTON KY- 428 AM EDT SAT JUN 20 2009 /328 AM CDT SAT JUN 20 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON. THE MAIN THREATS WILL BE LIGHTNING AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THERE WILL BE A CHANCE FOR THUNDERSTORMS ON MONDAY ACROSS SOUTHERN INDIANA AND CENTRAL KENTUCKY AS UPPER LEVEL FLOW SHIFTS TO THE NORTHWEST. THE MAIN THREATS FROM THESE STORMS WILL BE GUSTY WINDS...BRIEF HEAVY RAINFALL...AND DANGEROUS LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. 13/EES
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
342 AM EDT SAT JUN 20 2009
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION.. ST.. ...SOURCE....
..REMARKS..
0339 AM TSTM WND GST 6 N MADISON 38.84N 85.38W
06/20/2009 M69 MPH JEFFERSON IN AWOS
&&
EVENT NUMBER LMK0900093
13SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 359 AM EDT SAT JUN 20 2009 INZ077-084-089>091-KYZ025-200845- CRAWFORD-FLOYD-HARRISON-MEADE-PERRY-WASHINGTON- 359 AM EDT SAT JUN 20 2009 ...STRONG GUSTY WINDS AFFECTING CRAWFORD...FLOYD...HARRISON...MEADE...PERRY AND WASHINGTON COUNTIES... AT 354 AM EDT...A STRONG GUST FRONT EXTENDED ALONG A LINE FROM 8 MILES SOUTHEAST OF PAOLI TO ENGLISH TO 9 MILES SOUTHEAST OF JASPER...MOVING SOUTHEAST AT 40 MPH. THIS GUST FRONT WILL BRING STRONG GUSTY NORTHWESTERLY WINDS TO 50 MPH. THE GUST FRONT WILL BE... NEAR MARENGO AROUND 405 AM EDT. NEAR CORYDON AROUND 425 AM EDT. THE GUST FRONT WILL ALSO BE... NEAR FREDERICKSBURG AROUND 405 AM EDT. NEAR WEST FORK AROUND 410 AM EDT. NEAR CENTRAL BARREN AROUND 415 AM EDT. NEAR BRADFORD AROUND 420 AM EDT. NEAR MT. PLEASANT AROUND 325 AM CDT. NEAR GEORGETOWN AROUND 430 AM EDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THIS AREA EARLY THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE AWARE THAT A GUST FRONT WILL GENERATE STRONG AND GUSTY WINDS WELL BEFORE THE ARRIVAL OF ANY RAIN. STRONG WINDS CAN TOPPLE WEAKLY ROOTED TREES...AND DOWN POWER LINES. TAKE PRECAUTIONS NOW TO SECURE TRASH CANS...LAWN FURNITURE AND OTHER LOOSE OUTDOOR OBJECTS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION. IF YOU ARE IN THE PATH...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS. && 13
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 405 AM EDT SAT JUN 20 2009 KYZ032-033-200845- HENRY-TRIMBLE- 405 AM EDT SAT JUN 20 2009 ...STRONG STORMS WITH GUSTY WINDS AND HEAVY RAIN AFFECTING HENRY AND TRIMBLE COUNTIES... AT 404 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF CARROLLTON TO 6 MILES NORTHEAST OF LA GRANGE...MOVING EAST AT 35 MPH. FREQUENT DEADLY LIGHTNING...HEAVY RAIN WITH RAINFALL AMOUNTS OF AROUND ONE INCH PER HOUR...AND STRONG GUSTY WINDS TO 50 MPH...ARE EXPECTED WITH THESE STORMS. THESE STORMS WILL BE... NEAR NEW CASTLE AROUND 420 AM EDT. THESE STORMS WILL ALSO BE... NEAR PORT ROYAL AROUND 410 AM EDT. NEAR BETHLEHEM AROUND 430 AM EDT. NEAR LOCKPORT AROUND 435 AM EDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO... WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS. && 13
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 457 AM EDT SAT JUN 20 2009 KYZ023>031-033>035-038-039-045-053-201000- HANCOCK KY-BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY- BULLITT KY-JEFFERSON KY-OLDHAM KY-HENRY KY-SHELBY KY-FRANKLIN KY- SPENCER KY-ANDERSON KY-NELSON KY-LARUE KY- INCLUDING THE CITIES OF...HAWESVILLE...HARDINSBURG... BRANDENBURG...BEAVER DAM...LEITCHFIELD...ELIZABETHTOWN... FORT KNOX...MOUNT WASHINGTON...SHEPHERDSVILLE...LOUISVILLE... LA GRANGE...NEW CASTLE...SHELBYVILLE...FRANKFORT...TAYLORSVILLE... LAWRENCEBURG...BARDSTOWN...HODGENVILLE 457 AM EDT SAT JUN 20 2009 /357 AM CDT SAT JUN 20 2009/ ...GUSTY NORTHWEST WINDS IN CENTRAL KENTUCKY... A GUST FRONT LEFT OVER FROM EARLY MORNING THUNDERSTORMS WILL PUSH SOUTH FROM THE OHIO RIVER ACROSS NORTHERN SECTIONS OF CENTRAL KENTUCKY EARLY THIS MORNING. WINDS CAN BE EXPECTED TO SHIFT ABRUPTLY TO THE NORTHWEST WITH PEAK GUSTS AROUND 50 MPH AS THE FRONT PASSES THROUGH. WINDS OF THIS STRENGTH CAN MOVE LIGHT OBJECTS AND TOPPLE WEAKLY ROOTED TREES. BE SURE ANY OUTDOOR ITEMS SUCH AS GARBAGE CANS AND LAWN FURNITURE ARE WELL SECURED. 13
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 530 AM EDT SAT JUN 20 2009 KYZ034>037-039>042-048-201015- ANDERSON-BOURBON-FAYETTE-FRANKLIN-HARRISON-JESSAMINE-SCOTT-SHELBY- WOODFORD- 530 AM EDT SAT JUN 20 2009 ...LINE OF STRONG STORMS WITH GUSTY WINDS HEADING FOR THE LEXINGTON AREA... AT 527 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE FROM 13 MILES SOUTHEAST OF OWENTON TO 11 MILES EAST OF TAYLORSVILLE...MOVING EAST AT 45 MPH. FREQUENT DEADLY LIGHTNING...HEAVY RAIN WITH RAINFALL AMOUNTS OF AROUND ONE INCH PER HOUR...AND STRONG GUSTY WINDS TO 50 MPH ARE EXPECTED WITH THESE STORMS. THESE STORMS WILL BE... NEAR LAWRENCEBURG AROUND 540 AM EDT. NEAR VERSAILLES AROUND 550 AM EDT. NEAR LEXINGTON AROUND 605 AM EDT. NEAR PARIS AROUND 610 AM EDT. THESE STORMS WILL ALSO BE... NEAR SWITZER AROUND 535 AM EDT. NEAR SADIEVILLE AROUND 540 AM EDT. NEAR DAVIS AROUND 545 AM EDT. NEAR CONNERSVILLE AROUND 550 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO... WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS. && 13
SPECIAL WEATHER STATEMENT...CORRECTION TO WINDSPEED NATIONAL WEATHER SERVICE LOUISVILLE KY 536 AM EDT SAT JUN 20 2009 KYZ034>037-039>042-048-201015- ANDERSON-BOURBON-FAYETTE-FRANKLIN-HARRISON-JESSAMINE-SCOTT-SHELBY- WOODFORD- 536 AM EDT SAT JUN 20 2009 ...LINE OF STRONG STORMS WITH GUSTY WINDS HEADING FOR THE LEXINGTON AREA... AT 527 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE FROM 13 MILES SOUTHEAST OF OWENTON TO 11 MILES EAST OF TAYLORSVILLE...MOVING EAST AT 45 MPH. FREQUENT DEADLY LIGHTNING...HEAVY RAIN WITH RAINFALL AMOUNTS OF AROUND ONE INCH PER HOUR...AND STRONG GUSTY WINDS TO 55 MPH ARE EXPECTED WITH THESE STORMS. THESE STORMS WILL BE... NEAR LAWRENCEBURG AROUND 540 AM EDT. NEAR VERSAILLES AROUND 550 AM EDT. NEAR LEXINGTON AROUND 605 AM EDT. NEAR PARIS AROUND 610 AM EDT. THESE STORMS WILL ALSO BE... NEAR SWITZER AROUND 535 AM EDT. NEAR SADIEVILLE AROUND 540 AM EDT. NEAR DAVIS AROUND 545 AM EDT. NEAR CONNERSVILLE AROUND 550 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO... WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS. && 13
The Louisville radar (KLVX), 125 km away, was scanning. The volume nearest the first event began at 09:44 UTC.
4 thunderstorm wind. Local standard time, as filed.
A tree fell on a residence in the Georgetown area and several trees were downed throughout the county.
Trees were downed near Lexington.
Trees were downed countywide.
Trees downed near Gamaliel.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kentucky in 2009Every state in 2009This day in weather historyWarnings in Kentucky, June 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 178807, 178809, 178811, 178812.