Slow moving showers and thunderstorms developed around a low pressure area during the daytime heating. Some of these storms moved over the same areas repeatedly, causing heavy rainfall and flash flooding to occur.
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.
Slow moving showers and thunderstorms developed around a low pressure area during the daytime heating. Some of these storms moved over the same areas repeatedly, causing heavy rainfall and flash flooding to occur.
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 30, 8:37 AM EST, 2 hours 38 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 937 AM EDT SUN JUN 30 2013 .SYNOPSIS... A LARGE UPPER LEVEL TROUGH WILL REMAIN OVER THE REGION THIS WEEKEND...CAUSING BELOW NORMAL TEMPERATURES. ALSO...EMBEDDED DISTURBANCES WITHIN THIS TROUGH WILL PRODUCE OCCASIONAL SHOWERS AND THUNDERSTORMS...MAINLY DURING THE AFTERNOON AND EVENING HOURS. UNSETTLED WEATHER WILL LINGER INTO THE MIDDLE OF NEXT WEEK AS THE TROUGH BEGINS TO WEAKEN. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... THE UPPER LEVEL LOW WILL REMAIN OVER THE LOWER OHIO VALLEY THROUGH THIS AFTERNOON WITH AN ELONGATED TROUGH EXTENDING FROM IT OFF TO THE NORTHEAST. THERE DOES APPEAR TO BE A WEAK SURFACE LOW ASSOCIATED WITH IT...CURRENTLY NEAR CVG. PCPN HAS BEEN ROTATING AROUND THIS THROUGH THE MORNING HOURS...WITH THE MOST WIDESPREAD PCPN REMAINING ACROSS OUR NORTHWESTERN AREAS. SHORTER RANGE HI-RES MODELS ARE SUGGESTING THE BEST CHANCE OF RAIN WILL REMAIN ALONG AND NORTHWEST OF INTERSTATE 71 THROUGH THIS AFTERNOON...IN AREA OF BETTER MID/UPPER LEVEL DEFORMATION AXIS. ELSEWHERE ACROSS OUR AREA...WE ARE STILL SEEING SOME FAIRLY WIDESPREAD STRATUS. ONCE THIS BEGINS TO BURN OFF...WE SHOULD SEE SOME SCT SHOWER/TSTM DEVELOPMENT AS WE BEGIN TO DESTABILIZE. EXPECT PCPN ACROSS OUR NORTHWEST TO BE RATHER SLOW MOVING IN LIGHT FLOW REGIME. THIS COULD LEAD TO SOME LOCALIZED FLOODING ISSUES AS WE HEAD THROUGH THE DAY. MEANWHILE...MID AND DEEP LAYER SHEAR DOES BEGIN TO INCREASE SOMEWHAT FARTHER TO OUR SOUTHEAST SO ANY STORMS THAT DO DEVELOP IN OUR SOUTHEASTERN AREAS SHOULD HAVE A LITTLE MORE MOVEMENT TO THEM...BUT MAY ALSO BE SOMEWHAT STRONGER/MORE ORGANIZED. EXPECT HIGHS TODAY MAINLY IN THE 75 TO 80 DEGREE RANGE. && .SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY/... NUMERICAL MODEL SOLNS GENERALLY SIMILAR WITH ELONGATED UPPER LEVEL LOW OVER LOWER MS VLY DRIFTING BACK SLOWLY NORTH INTO THE LOWER OH VLY MONDAY AND THEN RETROGRADING WEST INTO IL TUESDAY. WILL DIMINISH POPS FROM NORTH TO SOUTH TONIGHT TO SLIGHT CHC BY SUNRISE MONDAY WITH THE LOSS OF DAYTIME HEATING. WILL LEAVE THE HIGHEST POPS ACRS THE SOUTH OVERNIGHT. MODELS SOLNS INDICATE THAT SFC TROF AND FAVORABLE AXIS OF LOW LEVEL CONVERGENCE PIVOTS NW BACK MONDAY. WILL INCREASE POPS FROM THE SE TO NW WITH LKLY POPS DEVELOPING BY AFTN. WILL CARRY THE HIGHEST POPS ACRS THE WEST CLOSER TO UPR LOW WHERE BEST INSTBY AROUND 1000 J/KG IS EXPECTED. EXPECT BELOW NORMAL TEMPERATURES TO CONTINUE WITH MONDAYS HIGHS RANGING FROM THE MID 70S NW TO NEAR 80 SE. WILL ALLOW POPS TO DIMINISH MONDAY NIGHT PER OBSERVATION THE PAST SEVERAL NIGHTS DUE TO LOSS OF INSTBY. WILL INCREASE POPS TUESDAY BUT LIMIT MAX TO HIGH CHC ACRS THE WEST WITH THE UPR SUPPORT RETROGRADING WESTWARD. HIGHS ON TUESDAY EXPECTED TO RANGE FROM UPR 70S WEST TO AROUND 80 SOUTHEAST. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... A CLOSED LOW WILL BE OVER THE LOWER OHIO VALLEY AT THE START OF THE PERIOD. THIS WILL SLOWLY RETROGRADE AND OPEN UP THROUGH THE WEEK. UNSETTLED CONDITIONS WILL CONTINUE ACROSS THE REGION ESPECIALLY DURING THE AFTERNOON AND EVENING. BUT COVERAGE SHOULD PROGRESSIVELY LESSEN THROUGH THURSDAY. SCATTERED MAINLY DIURNAL ACTIVITY WILL STILL BE POSSIBLE FRIDAY AND SATURDAY WITH THE GULF WIDE OPEN AND WEAK DISTURBANCES LIFTING NORTH BETWEEN THE REMNANTS OF THE TROUGH IN THE MIDDLE OF THE COUNTRY AND A BERMUDA HIGH. TEMPERATURES WILL GRADUALLY WARM THROUGH THE PERIOD. THIS WILL BRING HIGHS CLOSER TO NORMAL WITH ABOVE NORMAL LOWS BY THE END OF THE WEEK. && .AVIATION /14Z SUNDAY THROUGH THURSDAY/... THE AREA IS UNDER A BROAD UPPER TROUGH ACCOMPANIED BY NUMEROUS SHORT WAVES RESULTING IN A WEAK SURFACE CYCLONE AND A PERSISTENTLY MOIST AND UNSTABLE AIRMASS. ABOVE AVERAGE LOW LEVEL MOISTURE IS EVIDENT EARLY IN THE FORECAST AND CEILINGS BELOW 1000 FEET ARE OCCURRING...ALONG WITH REDUCED VISIBILITIES DUE TO BR. A RETURN TO MAINLY VFR IS EXPECTED WITHIN A FEW HOURS OF 12Z TAF ISSUANCE. THOUGH A FEW SHOWERS AND THUNDERSTORMS WILL LINGER THROUGH THE MORNING HOURS...CONVECTION WILL BECOME MORE PREVALENT DURING THE AFTERNOON WHEN INSTABILITY PEAKS. AS THE LOW PRESSURE SYSTEM CREEPS SLOWLY EASTWARD...WINDS WILL REMAIN NORTHEAST WITH SPEEDS STAYING UNDER 10 KNOTS. BR IS LIKELY AGAIN LATE IN THE PERIOD AFTER CONVECTION WEAKENS WITH LOSS OF DAYTIME HEATING. OUTLOOK...THUNDERSTORMS POSSIBLE THROUGH WEDNESDAY. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...AR NEAR TERM...AR SHORT TERM...JGL LONG TERM... AVIATION...CONIGLIO
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 524 AM EDT SUN JUN 30 2013 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-010930- 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- 524 AM EDT SUN JUN 30 2013 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. A BROAD UPPER LEVEL LOW IN THE AREA WILL LEAD TO SCATTERED THUNDERSTORMS MAINLY THIS AFTERNOON AND EVENING. WIDESPREAD SEVERE STORMS ARE NOT EXPECTED...HOWEVER A FEW STORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL. THESE STORMS WILL ALSO BE CAPABLE OF BRIEF HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. UNDER THE CONTINUED INFLUENCE OF UPPER LEVEL LOW PRESSURE SCATTERED THUNDERSTORMS CAN BE EXPECTED DURING THE AFTERNOON AND EVENING ON MONDAY AND TUESDAY. WIDESPREAD SEVERE STORMS ARE NOT EXPECTED... HOWEVER A FEW STORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL. THESE STORMS WILL ALSO BE CAPABLE OF BRIEF HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Cincinnati radar (KILN), 120 km away, was scanning. The volume nearest the first event began at 16:14 UTC.
3 flash flood, 1 heavy rain. Local standard time, as filed.
High water from runoff due to heavy rainfall was reported to make a few roads in the area impassible.
Water entered a home from a nearby overflowing creek due to heavy rainfall.
High water was crossing several roads in the Russia and Houston Areas due to heavy rainfall.
Ponding of water was occurring on Interstate 71 near Morse Road due to heavy rainfall.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2013Every state in 2013This day in weather historyWarnings in Ohio, June 2013
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: 459455, 459444, 459443, 459456.