A complex of severe thunderstorms moved across the region during the evening.
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 complex of severe thunderstorms moved across the region during the evening.
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 Jul 20, 12:50 PM EST, 1 hour 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 150 PM EDT SUN JUL 20 2008 .SYNOPSIS... WAVES OF LOW PRESSURE WILL CONTINUE TO MOVE ACROSS THE GREAT LAKES INTO MONDAY. THE LAST OF THESE SYSTEMS WILL CAUSE A COLD FRONT TO PUSH SOUTHEAST ACROSS THE AREA TOMORROW. UNSETTLED WEATHER WILL CONTINUE THROUGH TUESDAY EVENING AS AN UPPER LEVEL TROUGH BECOME ESTABLISHED OVER THE REGION. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... ONE LAST FLIP TO THE FORECAST THIS AFTERNOON. BOUNDARY WITH CONVECTION FIRING ALONG IT AND ALONG THE SW EDGE IS NOTED E OF COLUMBUS AND CENTRAL OHIO. DRIER AIR WITH DEWPOINTS 3-4 DEG COOLER THAN AHEAD OF THIS BOUNDARY HAS SQUASHED CU FIELD OVER REST OF CWA THIS AFTERNOON AND SHOULD INHIBIT ANY DEVELOPMENT OF STORMS. SERN CWA IS STILL AHEAD OF THE FRONT BUT IS NOT SHOWING MUCH IF ANY CU DEVELOPMENT AND IS UNDER THE LEFTOVER CAP. ONE LINGERING W-E BOUNDARY IS OVERCOMING THIS DRIER AIR AT THE SFC AND DEVELOPING FROM MID LEVEL INSTABILITY. THIS COULD WORK INTO WEST CENTRAL OHIO LATER THIS AFTERNOON AND MORESO THIS EVENING. WILL UPDATE THE FCST TO LOWER CHANCE OF STORMS THIS AFTERNOON. && .SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY/... UNCERTAINTIES IN CONVECTIVE EVOLUTION IN THE NEAR TERM JUST MULTIPLY WITH TIME LEADING TO LOW CONFIDENCE REGARDING PROBABILITY OF STORMS AS WELL AS TIMING AND LOCATION. AT THIS POINT IT APPEARS THAT CONVECTION DURING THE DAY MAY CONTINUE INTO THE EVENING ESPECIALLY ACROSS SOUTHERN ZONES BEFORE DIMINISHING/MOVING OUT OF THE FORECAST AREA. THE NEXT CHANCE OF SHOWERS AND THUNDERSTORMS WILL COME ON MONDAY MAINLY IN THE AFTERNOON. HOWEVER 00Z UKMET AND ECMWF CONTINUE TO SUGGEST THAT THE BETTER CHANCES OF RAIN WILL HOLD OFF UNTIL MONDAY NIGHT AND TUESDAY PARTICULARLY IN THE SOUTHERN ZONES AS A SIGNIFICANT SHORT WAVE SWINGS SOUTHEASTWARD INTO THE BASE OF THE DEVELOPING UPPER TROUGH. HAVE TAILORED THE FORECAST TOWARDS THIS SCENARIO. TEMPERATURES WILL REMAIN ABOVE NORMAL THROUGH MONDAY NIGHT. BUT READINGS ARE EXPECTED TO BE SUPPRESSED ON TUESDAY BY CLOUDS AND PRECIPITATION. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... SOME SHOWERS AND THUNDERSTORMS MAY LINGER INTO TUESDAY EVENING. BUT OTHERWISE DRIER WEATHER WILL PUSH INTO THE REGION FOR WEDNESDAY AND THURSDAY AS HIGH PRESSURE RIDGES IN FROM THE NORTH. MODELS HAVE CONSISTENTLY BEEN FORECASTING A SHORT WAVE TO MOVE ACROSS THE AREA ON FRIDAY. SO EXPECT A CHANCE OF SHOWERS AND THUNDERSTORMS THEN. AFTER IT PASSES THE HIGH WILL BE REESTABLISHED FOR SATURDAY. EXPECT TEMPERATURES CLOSER TO SEASONAL NORMALS THROUGH THE PERIOD. && .AVIATION /18Z SUNDAY THROUGH FRIDAY/... CONVECTION SHOULD STAY E OF CMH/LCK TAF SITES THIS AFTERNOON. REST OF TAFS SHOULD BE LIMITED IN CLOUDS FOR THE REST OF THE DAY WITH ONLY SOME MID LEVEL 8-10KFT SPILLOVER FROM CONVECTION THAT WILL FIRE OVER CENTRAL INDIANA. AN ISOLATED STORM MAY RIDE SE WITH THIS LINE OF CONVECTION BUT ATTM IT THE AIRMASS IS MAKING FORECASTING PLACEMENT OF CONVECTIVE CELLS VERY DIFFICULT. WILL AMEND FCST IF UPSTREAM CONVECTION FIRES AND EXHIBITS PERSISTENCE THIS EVENING. CU AND POSSIBLE SHOWERS WILL AGAIN BE A REAL POSSIBILITY DURING THE DAY TOMORROW. HAZE WILL MIX OUT SOME THIS AFTERNOON BUT DEWPOINTS SHOULD RISE BACK UP AS WINDS SLACKEN AND MORNING RESTRICTIONS TO VSBYS WILL GENERALLY BE IN THE MVFR RANGE...LOWER AT KLUK. MVFR VISIBILITIES WILL SETTLE IN AFTER 08Z...WITH IFR LIKELY AT KLUK. OUTLOOK...TSTMS POSSIBLE MONDAY AND TUESDAY. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS... NEAR TERM...FRANKS SHORT TERM... LONG TERM... AVIATION...FRANKS
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE WILMINGTON OH 323 PM EDT SUN JUL 20 2008 INZ050-058-059-066-073>075-080-KYZ089-090-094-211930- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-OWEN- 323 PM EDT SUN JUL 20 2008 ...SEVERE THUNDERSTORM WATCH 710 IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA AND NORTHERN KENTUCKY. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. KYZ091>093-095>100-OHZ026-034-035-042>046-051>056-060>065-070>074- 077>082-088-211930- BOONE-KENTON-CAMPBELL-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- 323 PM EDT SUN JUL 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO. .DAY ONE...THIS AFTERNOON AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
The Indianapolis radar (KIND), 99 km away, was scanning. The volume nearest the first event began at 19:37 UTC.
4 thunderstorm wind, 2 hail. Local standard time, as filed.
Trees were downed across the northern part of the county.
Multiple trees were downed.
Trees and power lines were downed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2008Every state in 2008This day in weather historyWarnings in Indiana, July 2008
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: 123097, 123098, 123099, 123102, 123100, 123101.