Showers and isolated thunderstorms developed during the afternoon hours along a cold front moving through the Ohio Valley.
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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.
Showers and isolated thunderstorms developed during the afternoon hours along a cold front moving through the Ohio Valley.
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 11, 1:12 PM EST, 14 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 212 PM EDT FRI SEP 11 2015 .SYNOPSIS... A COLD FRONT WILL BRING A CHANCE OF RAIN TO THE REGION TODAY. MUCH COOLER AIR WILL FILTER INTO THE AREA IN THE WAKE OF THIS FRONT FOR THE WEEKEND. A CHANCE FOR SHOWERS WILL AGAIN BE IN THE FORECAST ON SATURDAY WITH AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE OHIO VALLEY. DRY WEATHER IS THEN EXPECTED THROUGH MID WEEK. BELOW NORMAL TEMPERATURES AT THE START OF THE NEW WEEK WILL MODERATE TO NEAR NORMAL BY WEDNESDAY. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... COLD FRONT IN THE VICINITY OF THE I-75 CORRIDOR WILL CONTINUE TO PROGRESS ACROSS THE FORECAST AREA THROUGH THE AFTERNOON. SHOWERS AND EXTENSIVE CLOUD COVER REMAINS PRIMARILY ALONG AND BEHIND THE BOUNDARY. EXPECT MUCH OF THE WESTERN COUNTIES TO GET MEASURABLE PRECIPITATION THIS AFTERNOON WHILE THERE IS UNCERTAINTY WHETHER THAT WILL HOLD TOGETHER OR MAKE IT INTO SOME OF THE EASTERN COUNTIES BEFORE THE END OF THE DAY. HAVE ADJUSTED TEMPERATURES UPWARD OUT AHEAD OF THE FRONT BASED ON OBSERVATIONAL TRENDS. && .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... DIGGING SHORTWAVE ENERGY TO CARVE OUT AND UPPER LEVEL LOW OVER OHIO SATURDAY. FOR TONIGHT WILL HOLD ONTO PRECIPITATION LONGER IN THE EAST WITH MODEL SOLN/S SHOWING A WAVE SLOWING UP THE FRONT. AS THE UPPER LOW CLOSES WILL BUMP POPS INTO CHANCE CATEGORY IN THE EAST AND SOUTH ON SATURDAY AFTERNOON. HIGHS WILL BE 10 TO 12 DEGREES BELOW NORMAL...RANGING FROM THE MID 60S NW TO NEAR 70 SE. UPPER LEVEL LOW CENTERED TO OUR EAST SUNDAY MORNING TO LIFT NE INTO THE EASTERN GREAT LAKES DURG THE DAY. CAN NOT RULE OUT A SHOWER EARLY IN THE EAST BUT PROB APPEARS VERY LOW...SO HAVE OPTED TO GO WITH DRY FCST. ALTHOUGH A FAIR AMOUNT OF SUNSHINE WILL BE OBSERVED...TEMPERATURES TO REMAIN BELOW NORMAL. SUNDAYS HIGHS GENERALLY EXPECTED TO BE IN THE MID AND UPPER 60S. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... THE SURFACE HIGH WILL MOVE EAST AND RETURN FLOW WILL SET UP IN THE OHIO VALLEY...ALLOWING FOR A GRADUAL INCREASED IN TEMPERATURES. SEASONAL NORMALS WITH HIGHS IN THE UPPER 70S AND MID TO UPPER 50S ON LOWS WILL OCCUR TUESDAY. THE WARM SOUTHERLY FLOW WILL THEN BRING WARMER YET STILL PLEASANT HIGHS IN THE LOWER 80S FOR THE END OF THE VALID FORECAST PERIOD. NIGHTTIME LOWS ON THURSDAY NIGHT MAY APPROACH THE UPPER 60S AS MORE MOIST AIR STREAMS IN AHEAD OF THE NEXT COLD FRONT WHICH IS PROGGED TO AFFECT THE REGION FRIDAY. SHOWERS MAY PUSH IN FROM THE NORTHWEST AS EARLY AS THURSDAY NIGHT. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... SHOWERS WILL OVERSPREAD THE TERMINALS DURING THE EARLY PART OF THE TAF PERIOD. THIS COULD TEMPORARILY REDUCE VISIBILITIES BUT CEILINGS ARE EXPECTED TO REMAIN VFR. THUNDER CANNOT BE RULED OUT BUT THE CHANCE SEEMS QUITE LOW AND THUS NOT INCLUDED IN THE TAFS. SHOWERS WILL TAPER OFF BETWEEN 00Z AND 06Z. AS THIS OCCURS EXPECT LOWER CEILINGS TO DEVELOP. AT THIS POINT HAVE LIMITED THEM TO MVFR BUT THERE IS THE POTENTIAL FOR IFR. CEILINGS WILL LIFT LATE IN THE TAF PERIOD. NORTH WIND WILL PREVAIL AND STRENGTHEN SOME AFTER 12Z. OUTLOOK...NO SIGNIFICANT WEATHER IS EXPECTED. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...HATZOS/AR NEAR TERM... SHORT TERM...AR LONG TERM...FRANKS AVIATION...
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 542 AM EDT FRI SEP 11 2015 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-120945- WAYNE-FAYETTE-UNION-FRANKLIN-RIPLEY-DEARBORN-OHIO-SWITZERLAND- CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN- ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN- DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-LICKING-PREBLE-MONTGOMERY- GREENE-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING- HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO- 542 AM EDT FRI SEP 11 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Cincinnati radar (KILN), 95 km away, was scanning. The volume nearest the first event began at 18:26 UTC.
1 thunderstorm wind. Local standard time, as filed.
Twelve power poles were downed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2015Every state in 2015This day in weather historyWarnings in Ohio, September 2015
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: 593799.