3 thunderstorm wind, as filed by the National Weather Service.
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 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 Aug 20, 12:50 PM EST, 5 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOUISVILLE KY 150 PM EDT FRI AUG 20 2004 .SHORT RANGE (DAYS 0-3)... SFC LOW MAKING NEWD PROGRESS ALONG FRONTAL BDY DRAPED OVER THE OH RIVER VLY. NUMEROUS SHOWERS HAVE OVERSPREAD THE AREA SINCE MID MORNING PCPN AMTS HAVE GENERALLY BEEN ON THE ORDER OF 1/2 TO 3/4. CLOUDS/PCPN HAVE KEPT INSTABILITIES FAIRLY LOW, BUT THERE HAS BEEN SOME DESTABILIZATION OVER SE MO AND WRN KY DURING PAST COUPLE HOURS, WHERE CLOUDS HAVE THINNED JUST AHEAD OF APPROACHING COLD FRONT. SO, THIS COULD BE A SOURCE REGION FOR ADDITIONAL TSRA TO AFFECT THE LMK FA THRU THE EVENING HOURS. BEST ORGANIZED SVR THREAT APPEARS TO BE E/NE OF THE FA DURING THIS PERIOD, BUT SHOULD WE BECOME UNSTABLE ENOUGH, SOME STRONG STORMS POSSIBLE. INTO OVERNIGHT HOURS, FRONT EXPECTED TO SLIDE SEWD, AS MID-LEVEL WAVE ENERGY PASSES QUICKLY TO THE EAST OVER GREAT LAKES. PCPN SHOULD COME TO AN END FROM NW-SE AFTER MIDNIGHT, WITH SOME RESIDUAL SHOWERS OVER PARTS OF FAR SRN KY EARLY SAT MORNING. ETA BUFKIT DATA HINTING AT SOME LOW POST-FRONTAL STRATUS FORMING OVERNIGHT, WHICH IS FEASIBLE DUE IN PART TO MOISTURE DEPOSITED BY TODAYS RAINS. SAT AND SUN SHOULD BE DRY, WITH STABLE HIGH PRESSURE OVER THE FA. MOIST SWLY LOW LEVEL FLOW INCREASES OVER FA ON MON, BUT WARMING MID-LEVEL TEMPERATURES SHOULD LIMIT ANYTHING OTHER THAN VERY ISOLATED AFTERNOON OR EVENING CONVECTION. XXV .LONG RANGE (DAYS 4-7)... TRANSITION TO MORE SUMMERLIKE WEATHER PATTERN WILL CONTINUE. TROUGH WILL BE MOVING EAST FROM NEW ENGLAND...WITH SMALL AMPLITUDE RIDGE OVER EAST CENTRAL UNITED STATES. SHORT WAVE UNDERCUTTING WEAK RIDGE WILL BRING SCATTERED SHOWERS AND THUNDERSTORMS TO THE FORECAST AREA LATE TUESDAY THROUGH THURSDAY. BY END OF NEXT WEEK UPPER LEVEL RIDGE CENTERED OVER SOUTHEAST UNITED STATES COAST COULD BRING SOME OF THE HOTTEST WEATHER OF THE SUMMER THUS FAR. NR && .LMK WATCHES/WARNINGS/ADVISORIES... IN...NONE. KY...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 315 PM EDT FRI AUG 20 2004 INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067- 070>078-081-082-210847- ADAIR-ALLEN-ANDERSON-BARREN-BOURBON-BOYLE-BRECKINRIDGE-BULLITT- BUTLER-CASEY-CLARK-CLINTON-CRAWFORD-CUMBERLAND-DUBOIS-EDMONSON- FAYETTE-FLOYD-FRANKLIN-GARRARD-GRAYSON-GREEN-HANCOCK-HARDIN-HARRISON- HART-HENRY-JEFFERSON-JESSAMINE-LARUE-LINCOLN-LOGAN-MADISON-MARION- MEADE-MERCER-METCALF-MONROE-NELSON-NICHOLAS-OHIO-OLDHAM-ORANGE-PERRY- RUSSELL-SCOTT-SHELBY-SIMPSON-SPENCER-TAYLOR-TRIMBLE-WARREN- WASHINGTON-WOODFORD- INCLUDING THE CITIES OF...LOUISVILLE...LEXINGTON...BOWLING GREEN... WINCHESTER...VERSAILLES...STANFORD...SHELBYVILLE...RUSSELLVILLE... RICHMOND...HARRODSBURG...HARDINSBURG...GLASGOW...FRANKLIN... FRANKFORT...ELIZABETHTOWN...DANVILLE...CYNTHIANA...COLUMBIA... BARDSTOWN...NEW ALBANY...JASPER AND CORYDON 315 PM EDT FRI AUG 20 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT. A FRONTAL BOUNDARY IS FORECAST TO MOVE INTO THE REGION SOMETIME TONIGHT. AHEAD OF THIS FRONT, SHOWERS AND A FEW THUNDERSTORMS ARE FORECAST, MAINLY THROUGH THE EVENING HOURS. NO SEVERE STORMS ARE EXPECTED, BUT ANY STORMS THAT DEVELOP COULD PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING, HEAVY RAINS, AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. XXV
The Nashville radar (KOHX), 59 km away, was scanning. The volume nearest the first event began at 23:27 UTC.
3 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds blew the underpinning out of a mobile home. An outbuilding was destroyed. A few trees were blown down, and some patio furniture was tossed around.
Trees were blown down.
An outbuilding and a fence were damaged. A tree was also downed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kentucky in 2004Every state in 2004This day in weather historyWarnings in Kentucky, August 2004
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: 5417665, 5417663, 5417664.