Thunderstorms developed during in an increasingly unstable airmass ahead of a shortwave trough. Some of these storms became severe with damaging winds and large hail being the main 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.
Thunderstorms developed during in an increasingly unstable airmass ahead of a shortwave trough. Some of these storms became severe with damaging winds and large hail being the main 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 Jun 16, 1:14 PM EST, 27 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 214 PM EDT SAT JUN 16 2012 .SYNOPSIS... A SERIES OF WEAK DISTURBANCES WILL BRING CHANCES FOR SHOWERS AND THUNDERSTORMS THIS WEEKEND. RIDGING WILL THEN BUILD BACK ACROSS THE REGION FOR THE FIRST HALF OF NEXT WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... SHOWER AND THUNDERSTORM ACTIVITY CONTINUES ACROSS PORTIONS OF NORTHERN KENTUCKY THIS AFTERNOON. IN ADDITION QUITE A BIT OF CU HAS DEVELOPED ACROSS THE ENTIRE WESTERN HALF OF THE FA. ISOLATED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED ACROSS THIS AREA AND WITH DECENT INSTABILITY EXPECT THIS TREND TO CONTINUE FOR THE AFTERNOON HOURS. HIGH TEMPERATURES THIS AFTERNOON WILL BE IN THE UPPER 80S TO AROUND 9O ACROSS MOST LOCATIONS. SOME LOCATIONS WILL SEE SLIGHTLY LOWER HIGH TEMPERATURES TODAY WHERE THUNDERSTORMS OCCUR. && .SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/... MODELS ARE IN GOOD AGREEMENT ON BRINGING AN UPPER LEVEL SHORTWAVE TROUGH EASTWARD ACROSS SOUTHWEST ONTARIO ON SUNDAY. INTERMITTENT DISTURBANCES IN THE SOUTHERN EDGE OF THIS TROUGH WILL MOVE ACROSS OUR REGION SATURDAY NIGHT THROUGH SUNDAY NIGHT. THE FIRST IN THIS SERIES OF DISTURBANCES WILL BRING AN ENHANCED LOW LEVEL JET ACROSS THE FORECAST AREA LATE SATURDAY NIGHT. HI-RES MODELS ARE IN FAIR AGREEMENT ON TRIGGERING THE DEVELOPMENT OF SCATTERED SHOWERS AND THUNDERSTORMS AS A RESPONSE. IT CURRENTLY APPEARS THE BEST LIFT WITH THE JET WILL OCCUR ACROSS THE EAST...WHERE DEEP MOISTURE WILL STILL BE SOMEWHAT LIMITED. AT THIS TIME HAVE FORECAST ONLY LOW END CHANCE POPS OVERNIGHT. ONCE THE FIRST DISTURBANCE EXITS OUR AREA SUNDAY MORNING...THERE MAY BE A BREAK IN CONVECTIVE ACTIVITY AS WE DESTABILIZE INTO THE EARLY AFTERNOON. THEN...ANOTHER MORE VIGOROUS DISTURBANCE WILL PUSH TOWARD OUR AREA LATE IN THE AFTERNOON. THIS DISTURBANCE WILL BRING WITH IT ENHANCED LOW LEVEL CONVERGENCE ACROSS OUR REGION WITH PWAT VALUES APPROACHING 2 INCHES. AS A RESULT...NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE LATE AFTERNOON AND EVENING HOURS. THIS ACTIVITY WILL SPREAD EASTWARD ACROSS OUR FORECAST AREA THROUGH THE EVENING. MOST OF THIS ACTIVITY WILL WEAKEN AFTER SUNSET...AND AT THE SAME TIME...THE BEST LIFTING MECHANISMS WOULD HAVE SHIFTED TO OUR EAST. BY LATE SUNDAY NIGHT...RIDGING WILL ALREADY HAVE BEGUN TO BUILD NORTHEASTWARD ACROSS OUR AREA. THIS TREND WILL CONTINUE INTO MONDAY. WITH PLENTY OF SUN MONDAY...TEMPERATURES WILL ONCE AGAIN BE BACK INTO THE UPPER 80S TO LOW 90S. && .LONG TERM /MONDAY NIGHT THROUGH FRIDAY/... THE EXTENDED PERIOD WILL BEGIN WITH A DEVELOPING 500 MB RIDGE AND RISING HEIGHTS OVER THE OHIO VALLEY...WITH A STRENGTHENING UPPER HIGH TO BECOME CENTERED OVER OHIO BY TUESDAY/WEDNESDAY. THIS WILL CAUSE A MODERATELY DEEP TROUGH OVER THE WESTERN ATLANTIC TO PROGRESSIVELY WEAKEN. FURTHER UPSTREAM A BROAD TROUGH OVER THE NORTHWEST CONUS WILL BEGIN TO DRIFT EASTWARD...REACHING THE GREAT LAKES REGION BY THE END OF THE PERIOD AS THE UPPER RIDGE BEGINS TO BREAK DOWN AND SHIFT EASTWARD. ALL THIS SPELLS A RETURN TO ANOTHER STRETCH OF ABOVE NORMAL TEMPERATURES AND MAINLY DRY CONDITIONS. MODELS CONTINUE TO SUGGEST SOME LINGERING PRECIP MONDAY MORNING DESPITE RISING HEIGHTS AND THE SHORTWAVE HAVING ALREADY MOVED DOWNSTREAM. THIS MAY BE DUE TO A COMBINATION OF WEAK WARM AIR ADVECTION AND THE MODELS /ESPECIALLY GFS/ OVERDOING THE DEW POINT. SHOULD SEE A RETURN TO DRY CONDITIONS BY MONDAY AFTERNOON. TEMPERATURES WILL RISE INTO THE UPPER 80S TO LOWER 90S MONDAY THROUGH THURSDAY WITH MILD OVERNIGHT LOWS IN THE UPPER 60S TO LOWER 70S. DEW POINTS LOOK TO REMAIN IN THE 60S THROUGH THE PERIOD...SO EXPECT IT TO FEEL MUGGY BUT NOT OPPRESSIVELY HUMID. A COLD FRONT WILL DROP FROM THE GREAT LAKES INTO THE OHIO VALLEY BY THE END OF THE EXTENDED PERIOD. ECMWF HAS BEEN FASTER THAN THE GFS IN BRINGING THE FRONT INTO THE AREA. PREFERRED HPC/S COMPROMISE BETWEEN THE TWO SOLUTIONS WITH THE FRONT PROGGED TO PUSH THROUGH THE CWA DURING THE DAY ON FRIDAY...PROVIDING THE NEXT BEST CHANCE FOR SOME SHOWERS/TSTRMS. && .AVIATION /18Z SATURDAY THROUGH THURSDAY/... QUITE A BIT OF CU HAS DEVELOPED ACROSS THE WESTERN TAF SITES. LESS CU HAS DEVELOPED AROUND THE KCMH AND KLCK AREA THIS AFTERNOON. ISOLATED TO SCATTERED SHOWER AND THUNDERSTORM ACTIVITY HAS DEVELOPED ACROSS EASTERN INDIANA...NORTHERN KENTUCKY...AND WESTERN OHIO. EXPECT THIS ACTIVITY TO REMAIN ACROSS THE AREA THROUGH THE AFTERNOON AND EARLY EVENING HOURS. AT THIS POINT HAVE LIMITED PRECIPITATION MENTION TO MAINLY VCSH HOWEVER ADDED VCTS MENTION TO KCVG FOR A FEW HOURS THIS AFTERNOON. EXPECT THUNDERSTORM ACTIVITY TO DECREASE FOR A FEW HOURS DURING THE EVENING HOURS. ADDITIONAL SHOWER AND THUNDERSTORM ACTIVITY WILL BE POSSIBLE DURING THE OVERNIGHT HOURS AND INTO THE DAY ON SUNDAY AS A DISTURBANCE APPROACHES THE AREA. ALTHOUGH ISOLATED THUNDER WILL BE POSSIBLE AT ANY POINT DURING THIS TIME...LIMITED MENTION OF THUNDER IN THE TAFS TO THE TIME FRAME THAT WILL HAVE THE POSSIBILITY OF THE MOST THUNDER ACTIVITY. AT THIS POINT IN TIME IT APPEARS THAT THIS WILL BE DURING THE LATE MORNING AND INTO THE AFTERNOON HOURS ON SUNDAY. DUE TO THIS HAVE ADDED A VCTS AND CB MENTION IN DURING THIS TIME. OUTLOOK...THUNDERSTORMS POSSIBLE SUNDAY INTO SUNDAY NIGHT. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...LATTO NEAR TERM...NOVAK SHORT TERM...LATTO LONG TERM...KURZ AVIATION...NOVAK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 443 AM EDT SAT JUN 16 2012 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-170845- 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- 443 AM EDT SAT JUN 16 2012 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...SUNDAY THROUGH FRIDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Cincinnati radar (KILN), 132 km away, was scanning. The volume nearest the first event began at 18:41 UTC.
2 thunderstorm wind. Local standard time, as filed.
Large limbs were reported down due to damaging thunderstorm winds.
One tree fell, house siding was damaged, a chimney was knocked over, and a chicken coop was damaged due to thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2012Every state in 2012This day in weather historyWarnings in Ohio, June 2012
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: 387427, 387499.