A series of storms caused isolated severe weather with the main threat being hail. Flash flooding and flooding were also threats.
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 ILN wrote it up.
A series of storms caused isolated severe weather with the main threat being hail. Flash flooding and flooding were also threats.
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 Wilmington, OH wrote its last area forecast discussion before the first event at Sep 8, 3:27 PM EST, 2 hours 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 427 PM EDT TUE SEP 8 2009 .SYNOPSIS... LOW PRESSURE IN THE UPPER ATMOSPHERE WILL KEEP UNSETTLED WEATHER OVER THE AREA THROUGH THURSDAY. HIGH PRESSURE AND DRY CONDITIONS WILL MOVE IN FOR THE WEEKEND. && .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/... UPPER LOW CENTERED NEAR THE OHIO-INDIANA BORDER IS FORECAST TO MOVE INTO KENTUCKY TONIGHT. SCATTERED THUNDERSTORMS ASSOCIATED WITH THE MARGINALLY UNSTABLE AIRMASS WILL DIMINISH WITH LOSS OF DAYTIME HEATING. UNTIL THEN...SLOW STORM MOTIONS WILL LEAD TO ISOLATED FLOODING. LIGHT WIND FIELDS ARE ALSO CONDUCIVE TO COLD AIR FUNNEL FORMATION...AS PER OUR LATEST SPECIAL WEATHER STATEMENT. RELATIVELY DAMP AIRMASS WILL KEEP LOW TEMPERATURES AROUND 60 TONIGHT...AND FOG MAY FORM UNDER PARTLY CLOUDY SKIES. && .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/... WEDNESDAY WILL BE SIMILAR TO TUESDAY WITH A COOL POOL ALOFT RESIDING OVER A NEAR NORMAL SURFACE AIRMASS...RESULTING IN MARGINAL INSTABILITY AND SCATTERED MAINLY AFTERNOON THUNDERSTORMS. ACTIVITY WILL DISSIPATE WEDNESDAY NIGHT. THOUGH THE UPPER LOW WILL RETROGRADE BACK INTO OHIO ON THURSDAY...SURFACE CONDITIONS WILL BE DRIER AND THERE WILL ONLY BE A SLIGHT CHANCE FOR THUNDERSTORMS. HIGH TEMPERATURES WILL RISE TOWARD 80 BOTH DAYS. WENT BELOW WARMER MAV ON WEDNESDAY. STAYED CLOSE TO MAV FOR THURSDAY WHEN MET GUIDANCE APPEARS SPURIOUSLY LOW. && .LONG TERM /FRIDAY THROUGH TUESDAY/... MODELS DIFFER QUITE A BIT IN THE EXTENDED WITH THE ECMWF HAVING A WET SOLUTION WHILE THE GFS IS A LOT DRIER. FOR THE BEGINNING OF THE EXTENDED THE UPPER LEVEL LOW IS FINALLY BEGINNING TO PUSH OFF TOWARDS THE EAST BRINGING A LOT OF THE MOISTURE AND INSTABILITY WITH IT. WENT SLIGHTLY CLOSER TO THE ECMWF SOLUTION HOWEVER DID NOT TOTALLY DISCOUNT GFS. KEPT FORECAST DRY THROUGH THE WEEKEND AND INCREASED CLOUDS FOR THE SECOND HALF OF THE WEEKEND. UPPER LEVEL DISTURBANCE COULD BEGIN TO IMPACT THE REGION BY THE BEGINNING OF THE WORK NEXT WEEK AND HAVE ADDED SLIGHT CHANCE TO CHANCE POPS DURING THIS TIME FRAME. KEPT POPS LOW SINCE GFS DOES NOT AGREE WITH THE ECMWF AND IS A LOT SLOWER TO DEVELOP UPPER LEVEL LOW AND KEEPS AREA DRY DURING THIS TIME FRAME. && .AVIATION /20Z TUESDAY THROUGH SUNDAY/... AN UPPER LEVEL CLOSED LOW CENTERED OVER CENTRAL INDIANA THIS AFTERNOON WILL MEANDER SLOWLY TO THE SOUTHEAST THROUGH THE TAF PERIOD. AMPLE LOW LEVEL MOISTURE...DAY TIME INSTABILITY AND PIECES OF ENERGY ROTATING AROUND THE UPPER LEVEL LOW WILL PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE REGION THROUGH THE EARLY EVENING HOURS. HAVE EMPLOYED TEMPO MVFR SHOWERS AT ALL TAF SITES BETWEEN 18Z AND 22Z WITH VCTS INCLUDED. WILL MONITOR OBSERVATIONS AND LIGHTNING DETECTION SHOULD ONE OF THE TAF SITES NEED AMENDING FOR A THUNDERSTORM. FOR THE OVERNIGHT PERIOD INTO WEDNESDAY MORNING...CLOUDS WILL SCATTER...AND WITH LIGHT WINDS AND LINGERING SHALLOW LOW LVL MOISTURE...FOG COULD BECOME AN ISSUE AGAIN. HAVE GIVEN ALL LOCATIONS AT LEAST MVFR VSBYS OVERNIGHT WITH IFR AND LOWER VSBYS/CIGS PLACED AT THE TYPICAL FOGGY SITES OF KILN AND KLUK. ALL FOG SHOULD BURN OFF BY 14Z WEDNESDAY. THEREAFTER...DAY TIME INSTABILITY AND MORE ENERGY ROTATING AROUND THE UPPER LEVEL LOW WILL RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS ONCE AGAIN WEDNESDAY AFTERNOON. OUTLOOK...SCATTERED THUNDERSTORMS ARE POSSIBLE ON THURSDAY...MAINLY IN THE AFTERNOON AND EARLY EVENING. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...CONIGLIO NEAR TERM...CONIGLIO SHORT TERM...CONIGLIO LONG TERM...NOVAK AVIATION...HICKMAN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 1022 AM EDT TUE SEP 8 2009 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-091400- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE- SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON- FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY- FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN- HIGHLAND-ADAMS-PIKE-SCIOTO- 1022 AM EDT TUE SEP 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 121 PM EDT TUE SEP 8 2009 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-081930- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE- DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK- MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH- PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON- CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO- INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY... BROOKVILLE...VERSAILLES...LAWRENCEBURG...RISING SUN...VEVAY... CARROLLTON...WARSAW...BURLINGTON...INDEPENDENCE...ALEXANDRIA... OWENTON...WILLIAMSTOWN...FALMOUTH...BROOKSVILLE...MOUNT OLIVET... MAYSVILLE...VANCEBURG...KENTON...CELINA...WAPAKONETA... GREENVILLE...SIDNEY...BELLEFONTAINE...MARYSVILLE...DELAWARE... PIQUA...URBANA...SPRINGFIELD...LONDON...COLUMBUS...NEWARK... EATON...DAYTON...XENIA...WASHINGTON COURT HOUSE...CIRCLEVILLE... LANCASTER...HAMILTON...LEBANON...WILMINGTON...CHILLICOTHE... LOGAN...CINCINNATI...MILFORD...GEORGETOWN...HILLSBORO... WEST UNION...PIKETON...PORTSMOUTH 121 PM EDT TUE SEP 8 2009 ...COLD AIR FUNNELS POSSIBLE THROUGH THE AFTERNOON... LOCAL LAW ENFORCEMENT HAS REPORTED FUNNEL CLOUDS THIS AFTERNOON. THE FUNNELS ARE ASSOCIATED WITH SHOWERS OCCURRING UNDERNEATH A POOL OF COOL AIR IN THE UPPER ATMOSPHERE. COLD AIR FUNNELS ARE TYPICALLY SHORT-LIVED AND RARELY TOUCH DOWN. ATMOSPHERIC CONDITIONS THAT CAUSE THE FUNNELS ARE NOT SUPPORTIVE OF STRONG...DAMAGING TORNADOES. ON THE RARE OCCASIONS THAT THE FUNNELS TOUCH THE GROUND...LITTLE...IF ANY...DAMAGE OCCURS. THE CONDITIONS CAUSING THESE FUNNEL CLOUDS ARE EXPECTED TO END THIS EVENING. IF THREATENING WEATHER APPROACHES...MOVE INDOORS TO A PLACE OF SAFETY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO CLOSELY MONITOR THE SITUATION. BC
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 329 PM EDT TUE SEP 8 2009 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-082300- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE- DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK- MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH- PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON- CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO- INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY... BROOKVILLE...VERSAILLES...LAWRENCEBURG...RISING SUN...VEVAY... CARROLLTON...WARSAW...BURLINGTON...INDEPENDENCE...ALEXANDRIA... OWENTON...WILLIAMSTOWN...FALMOUTH...BROOKSVILLE...MOUNT OLIVET... MAYSVILLE...VANCEBURG...KENTON...CELINA...WAPAKONETA... GREENVILLE...SIDNEY...BELLEFONTAINE...MARYSVILLE...DELAWARE... PIQUA...URBANA...SPRINGFIELD...LONDON...COLUMBUS...NEWARK... EATON...DAYTON...XENIA...WASHINGTON COURT HOUSE...CIRCLEVILLE... LANCASTER...HAMILTON...LEBANON...WILMINGTON...CHILLICOTHE... LOGAN...CINCINNATI...MILFORD...GEORGETOWN...HILLSBORO... WEST UNION...PIKETON...PORTSMOUTH 329 PM EDT TUE SEP 8 2009 ...COLD AIR FUNNELS REMAIN POSSIBLE THROUGH THE AFTERNOON... LOCAL LAW ENFORCEMENT REPORTED FUNNEL CLOUDS EARLIER THIS AFTERNOON. THE FUNNELS HAVE BEEN ASSOCIATED WITH SHOWERS OCCURRING UNDERNEATH A POOL OF COOL AIR IN THE UPPER ATMOSPHERE. COLD AIR FUNNELS ARE TYPICALLY SHORT-LIVED AND RARELY TOUCH DOWN. ATMOSPHERIC CONDITIONS THAT CAUSE THE FUNNELS ARE NOT SUPPORTIVE OF STRONG...DAMAGING TORNADOES. ON THE RARE OCCASIONS THAT THE FUNNELS TOUCH THE GROUND...LITTLE...IF ANY...DAMAGE OCCURS. THE CONDITIONS CAUSING THESE FUNNEL CLOUDS ARE EXPECTED TO END THIS EVENING. IF THREATENING WEATHER APPROACHES...MOVE INDOORS TO A PLACE OF SAFETY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO CLOSELY MONITOR THE SITUATION. WOODRUM
The national radar mosaic for the moment the first event began.
2 flood, 2 hail. Local standard time, as filed.
Flooding was reported with some cars stranded in the water.
Dime to penny size hail occurred just north of Visalia on the Kenton and Campbell county line.
Roads were flooded in addition to basements due to the heavy rains.
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, September 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: 193676, 193675, 193674, 193677.