A weak shortwave trough moved across central Ohio and provided enough forcing to produce an isolated severe thunderstorm in southeastern Ohio. Damaging wind was the main severe weather threat.
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The episode as NWS ILN wrote it up.
A weak shortwave trough moved across central Ohio and provided enough forcing to produce an isolated severe thunderstorm in southeastern Ohio. Damaging wind was the main severe weather threat.
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 9, 7:05 PM EST, 1 hour 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 805 PM EDT THU JUN 9 2011 .SYNOPSIS... A SLOW-MOVING COLD FRONT WILL STALL OUT OVER NORTHERN INDIANA AND NORTHERN OHIO OVERNIGHT. THIS FRONT WILL MOVE BACK NORTH AS A WARM FRONT ON FRIDAY. ANOTHER COLD FRONT WILL THEN MOVE THROUGH THROUGH THE REGION ON SATURDAY. && .NEAR TERM /UNTIL 6 AM FRIDAY MORNING/... KEPT MOST AREAS OF THE FORECAST DRY OVERNIGHT...WITH LIMITED INSTABILITY OVER THE ILN CWA. WILL MONITOR RADAR TRENDS FOR ISOLATED SHOWERS OR THUNDERSTORMS...SUCH AS THE ONE OVER PICKAWAY COUNTY AT THIS TIME...AND ADDITIONAL DEVELOPMENT JUST SOUTH OF LEWIS COUNTY. ACTIVITY OVER ILLINOIS AND WESTERN INDIANA IS EXPECTED TO WEAKEN AS IT MOVES EAST. PREVIOUS DISCUSSION FOLLOWS > PREVIOUS OUTFLOW BOUNDARIES EARLIER IN THE DAY HAVE PRETTY MUCH PUT A DAMPER ON CONVECTION ACRS THE REGION PER LATEST VISIBLE SATELLITE IMAGERY. DIURNAL CUMULUS CLOUDS WERE STARTING TO DISSIPATE WITH SOME SCATTERED CIRRUS LEFT OVER. WITH THAT SAID...DO NOT THINK THE AREA WILL SEE ANY CONVECTION THROUGH THE EVENING HOURS. A SLOW-MOVING COLD FRONT WILL SAG INTO NRN INDIANA AND NRN OHIO OVERNIGHT WHERE IT WILL STALL. HAVING MY DOUBTS ABOUT ANY CONVECTION WITH THIS WEAK BOUNDARY...BUT DECIDED TO LEAVE A LOW CHANCE POP IN AFTER MIDNIGHT. ELSEWHERE...DECIDED TO GO WITH A DRY FORECAST. LOWS WILL DROP INTO THE MID AND UPPER 60S. && .SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/... HAVE SIDED MORE WITH THE 12Z GFS FOR THE SHORT TERM FORECAST. STALLED OUT FRONTAL BOUNDARY WILL MOVE NE AS A WARM FRONT ON FRIDAY. AN EMBEDDED WX DISTURBANCE IS FORECAST TO MOVE ACRS LAKE MICHIGAN/LOWER MICHIGAN ON FRIDAY. THIS FEATURE WILL PERTURB A SFC LOW AND MAYBE HAVE ENOUGH OF AN INFLUENCE ACRS OUR FAR NW CWFA TO INDUCE A BETTER CHANCE OF SHOWERS/STORMS. OTHERWISE...THE REST OF THE REGION WILL BE RELYING ON DAYTIME HEATING FOR SHOWER/THUNDERSTORM DEVELOPMENT. IT WILL CONTINUE TO BE WARM WITH HIGHS RANGING FROM THE LOWER 80S FAR NORTH TO THE LOWER 90S SOUTH. FOR FRIDAY NIGHT...REGION SHOULD BE IN A RELATIVE LULL IN TERMS OF PCPN CHANCES. EYES WILL SHIFT TO THE WEST OF THE AREA AS A COLD FRONT APPROACHES. THIS FEATURE SHOULD PROVIDE A BETTER CHANCE FOR SHOWERS AND STORMS ON SATURDAY. OVERNIGHT LOWS WILL RANGE FROM THE MID 60S TO NEAR 70. && .LONG TERM /SATURDAY THROUGH THURSDAY/... IN UPPER LEVEL WESTERLY FLOW REGIME...SIGNIFICANT S/W TO INDUCE A SURFACE LOW WHICH TRACKS THRU THE GREAT LAKES ON SATURDAY. WL CONTINUE LIKELY POPS FOR THUNDERSTORMS AHEAD OF AN ASSOCIATED COLD FRONT SATURDAY INTO SATURDAY NIGHT. SFC HIGH PRESSURE TO PROVIDE DRY CONDITIONS AND COOLER TEMPERATURES SUNDAY THRU TUESDAY. NUMERICAL MODEL SOLNS BEGIN TO SHOW MORE SPREAD WITH 00Z ECMWF MORE AMPLIFIED AND THEREFORE HOLDING ONTO UPPER LEVEL RIDGE WED. 12Z GFS SOLN QUICKER WITH THE NEXT SFC WAVE COMING ACROSS THE GREAT LAKES WED/WED NIGHT. 12Z ECMWF SOLN HAS TRENDED FASTER WITH FROPA WED NIGHT. HAVE TRENDED TOWARD A COMPROMISED SOLN...ONLY ALLOWING FOR CHANCE POPS IN THE WED AFTN AND THEN INCREASE THE POPS TO CHANCE CATEGORY ENTIRE FA WED NIGHT WITH THE SFC WAVE EXPECTED TO TRACK THRU THE GREAT LAKES. HAVE LIMITED ANY LINGERING POPS TO SLIGHT CHC ON THURSDAY. HAVE TRENDED HIGHS AT OR A LTL BELOW MEX GUID SATURDAY THRU MONDAY AND THEN A LTL ABOVE GUID TUESDAY THRU THURSDAY. HAVE STAYED CLOSE OR A LTL ABOVE MEX FOR LOWS THRU THE PERIOD. && .AVIATION /00Z FRIDAY THROUGH TUESDAY/... CONDITIONS HAVE REMAINED STABLE ENOUGH TO PREVENT ANY SIGNIFICANT CONVECTION ACROSS THE AREA LATE THIS AFTERNOON AND EVENING. AS THE ATMOSPHERE BEGINS TO STABILIZE...EXPECTING DRY CONDITIONS TO CONTINUE FOR THE REST OF TONIGHT AT THE TAF SITES. A WEAK COLD FRONT CURRENTLY MOVING SOUTHWARD INTO CENTRAL OHIO WILL EVENTUALLY STALL OVER SOUTHERN OHIO TONIGHT. SCT TO BKN CIRRUS WILL LINGER AND WINDS WILL BECOME LIGHT AND VARIABLE. WITH COOLER TEMPERATURES EXPECTED TONIGHT AND PLENTY OF LOW LEVEL MOISTURE...EXPECTING FOG/MIST TO DEVELOP WITH GENERALLY MVFR VSBYS THROUGH 13Z...THOUGH KLUK WILL LIKELY DROP TO LOWER VSBYS. CONSIDERABLE UNCERTAINTY WITH SHWR/TSTRM POTENTIAL ON SATURDAY AS THE FRONT LIFTS BACK NORTHWARD. AT THIS TIME MODEL GUIDANCE POINTS TO AFTER 15Z FOR CONVECTIVE DEVELOPMENT...BUT NOT ENOUGH CERTAINTY WITH RESPECT TO COVERAGE TO WARRANT MORE THAN MENTION OF VCSH AND CB AT THIS TIME. OUTLOOK...TSTMS POSSIBLE FRIDAY THROUGH SATURDAY NIGHT. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...HICKMAN NEAR TERM...HICKMAN SHORT TERM...HICKMAN LONG TERM...AR AVIATION...KURZ
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 407 PM EDT THU JUN 9 2011 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-102015- 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- 407 PM EDT THU JUN 9 2011 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...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. A COLD FRONT WILL PUSH ACROSS THE REGION SATURDAY. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THE FRONT. A FEW STORMS MAY REACH SEVERE LIMITS WITH DAMAGING WINDS AND LARGE HAIL THE PRIMARY SEVERE WEATHER THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Cincinnati radar (KILN), 73 km away, was scanning. The volume nearest the first event began at 01:33 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees and power lines were reported down due to damaging thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2011Every state in 2011This day in weather historyWarnings in Ohio, June 2011
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: 317920.