Hail, Warren
- When
- August 11, 3:45 PM EST to 3:49 PM EST
- Where
- Warren County, 2 mi E of Lebanon
- Measured
- 1 in hail
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 39.433, -84.167
Flooding and Hail in Ohio, August 11, 2002
6 thunderstorm wind, 4 hail, 2 flood, 1 lightning, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $123,000
- Crop damage
- None recorded
- Events
- 13
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.
What forecasters said that day
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 Aug 11, 2:00 PM EST, 1 hour 45 minutes earlier.
Area forecast discussion, Aug 11, 2:00 PM EST, 1 hour 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 300 PM EDT SUN AUG 11 2002 CONVECTION BEGAN DEVELOPING LAST COUPLE OF HOURS MAINLY SOUTHERN AND WESTERN PARTS OF FA. THIS CONVECTION EXPECTED TO CONITNUE PAST SUNSET WITH SOME UPPER LEVEL SUPPORT FROM VORT MAX. HOWEVER...SHOULD SEE SOME DECREASE IN ACTIVITY LATER TONIGHT. MODELS CONTINUE TO BE SIMILAR THIS RUN WITH FRONT DAY 3 TO 4 SLOWING JUST A BIT. EXPECT CONVECTION TO DEVELOP AGAIN MONDAY AFTERNOON AND TUESDAY AFTERNOON IN SOUTHWEST FLOW. BEST CHANCES OF PRECIPITATION AHEAD OF AND WITH FRONT TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. MORE CLOUDINESS NEXT COUPLE OF DAYS THAN WE HAVE SEEN OF LATE SO HIGHS SHOULD BE A FEW DEGREES LOWER. MAV AND FWC GUIDANCE IS SIMILAR AND USED A BLEND OF TWO. .ILN...NONE. PARKER
The radar
The Cincinnati radar (KILN), 30 km away, was scanning. The volume nearest the first event began at 20:46 UTC.
Event by event
6 thunderstorm wind, 4 hail, 2 flood, 1 lightning. Local standard time, as filed.
Hail, Highland
- When
- August 11, 4:10 PM EST to 4:13 PM EST
- Where
- Highland County, Greenfield
- Measured
- 0.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.350, -83.383
Lightning, Shelby
- When
- August 11, 4:15 PM EST
- Where
- Shelby County, 4 mi SE of Russia
- Property damage
- $100,000
- Reported by
- NEWSPAPER
- Coordinates
- 40.332, -84.205 (the zone’s center; the record gives no point)
A house along State Route 48 near the Shelby-Miami county line was set on fire by a lightning strike. Firefighters from surrounding villages responded to the blaze, which took nearly two hours to extinguish. The five year old home was completely destroyed. There were no injuries, as the homeowners were out of town at the time of the fire.
Thunderstorm Wind, Shelby
- When
- August 11, 4:20 PM EST to 4:24 PM EST
- Where
- Shelby County, Russia
- Measured
- 50 kt (58 mph)
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.233, -84.400
Large trees were blown down across the southwest part of the county.
Thunderstorm Wind, Miami
- When
- August 11, 4:20 PM EST to 4:24 PM EST
- Where
- Miami County, Covington
- Measured
- 50 kt (58 mph)
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.117, -84.350
Trees were knocked down across town.
Hail, Auglaize
- When
- August 11, 4:23 PM EST to 4:26 PM EST
- Where
- Auglaize County, 1 mi N of St Marys
- Measured
- 1.5 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.550, -84.383
Thunderstorm Wind, Clermont
- When
- August 11, 4:27 PM EST to 4:33 PM EST
- Where
- Clermont County, Milford
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.167, -84.283
Trees were downed across portions of Union and Miami Townships.
Thunderstorm Wind, Hamilton
- When
- August 11, 4:35 PM EST to 4:39 PM EST
- Where
- Hamilton County, Mt Washington
- Measured
- 50 kt (58 mph)
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.083, -84.383
Trees were knocked down.
Hail, Darke
- When
- August 11, 4:50 PM EST to 4:54 PM EST
- Where
- Darke County, Gettysburg
- Measured
- 1.75 in hail
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.117, -84.500
Golf ball size hail fell across town. Trees were also downed in several parts of town.
Flood, Miami
- When
- August 11, 5:00 PM EST to 5:55 PM EST
- Where
- Miami forecast zone
- Reported by
- GENERAL PUBLIC
- Coordinates
- 40.053, -84.229 (the zone’s center; the record gives no point)
Flood, Shelby
- When
- August 11, 5:30 PM EST to 5:55 PM EST
- Where
- Shelby forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.332, -84.205 (the zone’s center; the record gives no point)
Strong thunderstorms remained nearly stationary across southwest Shelby county and northwest Miami county during the late afternoon. Radar estimated three to five inches of rainfall over a two hour period across these areas. The torrential rainfall caused high water on county roadways and street flooding in Piqua and Covington.
Thunderstorm Wind, Ross
- When
- August 11, 6:05 PM EST to 6:10 PM EST
- Where
- Ross County, Chillicothe
- Measured
- 50 kt (58 mph)
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.333, -82.983
Trees were downed on the north and east sides of town.
Thunderstorm Wind, Mercer
- When
- August 11, 6:33 PM EST to 6:36 PM EST
- Where
- Mercer County, Rockford
- Measured
- 50 kt (58 mph)
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.683, -84.633
Trees and large limbs were knocked down across town.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Lightning
- A lightning strike that killed, injured or caused damage.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Pennsylvania, August 11 to 20, 2002
- Tornado in North Dakota, August 11, 2002
- Heat in New Jersey, August 11 to 20, 2002
- Hail and Damaging Winds in Nebraska, August 11, 2002
- Hail and Damaging Wind in Nebraska, August 11, 2002
- Flash Flood and Hail in Wisconsin, August 11, 2002
- Wildfire in California, August 11 to 15, 2002
- Damaging Wind in South Dakota, August 11, 2002
- Hail and Damaging Winds in Minnesota, August 11 to 12, 2002
- Tornadoes and Hail in Kansas, August 11 to 12, 2002
- Hail and Damaging Wind in Kansas, August 11, 2002
- Flash Flood in Florida, August 11, 2002
More
Every storm in Ohio in 2002Every state in 2002This day in weather historyWarnings in Ohio, August 2002
Sources
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: 5315046, 5315055, 5315058, 5315047, 5315048, 5315049, 5315050, 5315051, 5315052, 5315057, 5315056, 5315053, 5315054.