Ohio, 2000Tornado and Flash Flooding in Ohio, August 9, 2000
August 9, 2000 · NWS ILN · 51 events in 28 counties and zones
Two clusters of thunderstorms caused significant damage on the 9th. During the morning hours, a large bow echo raced across the area causing widespread wind damage.
Every event with a place to put it; 5 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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 5
- Property damage
- $1.3 million
- Crop damage
- None recorded
- Events
- 51
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.
Two clusters of thunderstorms caused significant damage on the 9th. During the morning hours, a large bow echo raced across the area causing widespread wind damage. During the afternoon and evening hours, a large cluster of storms formed causing widespread wind damage and hail along with some flooding.
Event by event
37 thunderstorm wind, 8 hail, 3 flash flood, 2 lightning, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Darke
- When
- August 9, 8:35 AM EST to 8:55 AM EST
- Where
- Darke County, Union City
- Measured
- 50 kt (58 mph)
- Property damage
- $30,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.217, -84.800
Numerous trees and large limbs were knocked down in many locations across the county, including Hollansburg, New Madison,Versailles, Union City and Arcanum. One tree fell on a house in Arcanum.
Thunderstorm Wind, Mercer
- When
- August 9, 8:40 AM EST to 8:45 AM EST
- Where
- Mercer County, Sharpsburg
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.367, -84.700
Large limbs were knocked down due to thunderstorm winds.
Thunderstorm Wind, Preble
- When
- August 9, 9:00 AM EST to 9:20 AM EST
- Where
- Preble County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.750, -84.633
Many trees knocked down across the county.
Thunderstorm Wind, Montgomery
- When
- August 9, 9:00 AM EST to 9:20 AM EST
- Where
- Montgomery County, Little York
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.850, -84.267
Thunderstorms knocked down trees and large limbs.
Thunderstorm Wind, Shelby
- When
- August 9, 9:10 AM EST to 9:30 AM EST
- Where
- Shelby County, Ft Loramie
- Measured
- 50 kt (58 mph)
- Property damage
- $60,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.350, -84.367
Numerous trees were downed in Ft. Loramie, Newport and Sidney and a barn was damaged near Hardin. In Sidney, some trees fell on houses, some falling trees ripped up sidewalks, and a roof was blown off a shed.
Thunderstorm Wind, Miami
- When
- August 9, 9:11 AM EST to 9:25 AM EST
- Where
- Miami County, Piqua
- Measured
- 50 kt (58 mph)
- Property damage
- $50,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.150, -84.233
Many trees and power lines were blown down across the county. In Piqua alone, at least 130 trees were knocked down, 12 homes damaged severely, and 3 vehicles were nearly destroyed.
Thunderstorm Wind, Champaign
- When
- August 9, 9:15 AM EST to 9:20 AM EST
- Where
- Champaign County, St Paris
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.117, -83.950
Trees were knocked down by thunderstorm winds, some of which fell across roads.
Thunderstorm Wind, Greene
- When
- August 9, 9:30 AM EST to 9:45 AM EST
- Where
- Greene County, Fairborn
- Measured
- 50 kt (58 mph)
- Property damage
- $25,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.817, -84.017
Numerous trees and power lines were knocked down at several locations across the county. Some of the trees fell across roads in Xenia.
Thunderstorm Wind, Clark
- When
- August 9, 9:35 AM EST to 9:40 AM EST
- Where
- Clark County, 3 mi NW of Springfield
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.950, -83.833
Numerous trees were knocked down in Jacksonville.
Thunderstorm Wind, Madison
- When
- August 9, 9:45 AM EST to 10:00 AM EST
- Where
- Madison County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.883, -83.450
Trees and power lines knocked down across the county.
Thunderstorm Wind, Franklin
- When
- August 9, 10:10 AM EST to 10:25 AM EST
- Where
- Franklin County, Hilliard
- Measured
- 52 kt (60 mph)
- Injuries
- 5 direct, 0 indirect
- Property damage
- $50,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.033, -83.150
Numerous trees and power lines were knocked down around the county, especially around Dublin. Also around Dublin, a roof of a strip mall was damaged and a tree fell on a home. A spotter reported a wind gust to 60 mph in Hilliard and dime size hail was reported in Reynoldsburg. A 100 foot tree was knocked down on to a tent at Ohio State University. Four workers were injured.
Thunderstorm Wind, Pickaway
- When
- August 9, 10:15 AM EST to 10:20 AM EST
- Where
- Pickaway County, Ashville
- Measured
- 60 kt (69 mph)
- Property damage
- $50,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.717, -82.950
Thunderstorm winds blew the roof off a house.
Thunderstorm Wind, Ross
- When
- August 9, 10:15 AM EST to 10:30 AM EST
- Where
- Ross County, Chillicothe
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- BROADCAST MEDIA
- Coordinates
- 39.333, -82.983
Strong winds blew trailers over at the county fair.
Thunderstorm Wind, Fairfield
- When
- August 9, 10:27 AM EST to 10:45 AM EST
- Where
- Fairfield County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.733, -82.567
Numerous trees downed across the county.
Thunderstorm Wind, Licking
- When
- August 9, 10:30 AM EST to 10:50 AM EST
- Where
- Licking County, Newark
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.067, -82.400
Numerous trees downed around Newark. Also, quarter size hail fell at Kirkersville.
Thunderstorm Wind, Hocking
- When
- August 9, 10:40 AM EST to 11:00 AM EST
- Where
- Hocking County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.517, -82.450
Trees were knocked down at numerous locations across the county.
Thunderstorm Wind, Scioto
- When
- August 9, 10:57 AM EST to 11:15 AM EST
- Where
- Scioto County, 3 mi N of Clifford
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.967, -83.017
Numerous trees and power lines downed.
Thunderstorm Wind, Mercer
- When
- August 9, 12:00 PM EST to 12:15 PM EST
- Where
- Mercer County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.550, -84.617
Thunderstorm winds knocked down several large limbs across the county.
Hail, Auglaize
- When
- August 9, 12:40 PM EST to 12:50 PM EST
- Where
- Auglaize County, St Marys
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.533, -84.383
Lightning, Logan
- When
- August 9, 12:50 PM EST
- Where
- Logan County, Huntsville
- Property damage
- $50,000
- Reported by
- NEWSPAPER
- Coordinates
- 40.388, -83.766 (the zone’s center; the record gives no point)
Lightning struck a house causing a fire in the attic.
Thunderstorm Wind, Logan
- When
- August 9, 1:30 PM EST to 1:45 PM EST
- Where
- Logan County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.383, -83.750
Trees were knocked down in many locations across the county.
Hail, Mercer
- When
- August 9, 2:43 PM EST to 2:50 PM EST
- Where
- Mercer County, Coldwater
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.400, -84.617
Hail, Union
- When
- August 9, 2:59 PM EST to 3:05 PM EST
- Where
- Union County, Marysville
- Measured
- 0.88 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.233, -83.367
Hail, Delaware
- When
- August 9, 3:00 PM EST to 3:05 PM EST
- Where
- Delaware County, 7 mi N of Sunbury
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.333, -82.850
Hail, Franklin
- When
- August 9, 3:21 PM EST to 3:30 PM EST
- Where
- Franklin County, Dublin
- Measured
- 0.88 in hail
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.100, -83.117
Nickel size hail fell and some trees were knocked down in Dublin.
Thunderstorm Wind, Shelby
- When
- August 9, 3:30 PM EST to 3:45 PM EST
- Where
- Shelby County, Sidney
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.283, -84.150
Numerous trees and power lines downed.
Thunderstorm Wind, Clark
- When
- August 9, 4:15 PM EST to 4:20 PM EST
- Where
- Clark County, Springfield
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.917, -83.800
Thunderstorm winds knocked down several trees.
Thunderstorm Wind, Preble
- When
- August 9, 4:45 PM EST to 5:15 PM EST
- Where
- Preble County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.750, -84.633
Numerous trees knocked down across the county.
Thunderstorm Wind, Fairfield
- When
- August 9, 4:50 PM EST to 5:10 PM EST
- Where
- Fairfield County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.733, -82.567
Trees knocked down across the county.
Hail, Butler
- When
- August 9, 4:55 PM EST to 5:25 PM EST
- Where
- Butler County, Countywide
- Measured
- 1 in hail
- Property damage
- $10,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.450, -84.583
Quarter size hail occurred in Hamilton and West Chester. Also, trees were knocked down across the county.
Hail, Clermont
- When
- August 9, 5:00 PM EST to 6:45 PM EST
- Where
- Clermont County, Countywide
- Measured
- 1 in hail
- Property damage
- $25,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.983, -84.150
A thunderstorm remained over the county for nearly two hours producing quarter size hail in Amelia and Batavia, nickel size in Felicity, and hail large enough to knock out windows of a school building in Williamsburg. Trees were also knocked down in various locations across the county.
Thunderstorm Wind, Hamilton
- When
- August 9, 5:00 PM EST to 5:45 PM EST
- Where
- Hamilton County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $50,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.150, -84.533
Severe thunderstorms began and lasted for nearly 3 hours, knocking down numerous trees.
Thunderstorm Wind, Hocking
- When
- August 9, 5:05 PM EST to 5:15 PM EST
- Where
- Hocking County, Rockbridge
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.583, -82.533
Thunderstorm winds knocked down trees in Rockbridge.
Thunderstorm Wind, Brown
- When
- August 9, 5:15 PM EST to 6:00 PM EST
- Where
- Brown County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.950, -83.883
Thunderstorm winds knocked down trees in numerous locations.
Thunderstorm Wind, Adams
- When
- August 9, 5:15 PM EST to 5:30 PM EST
- Where
- Adams County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.850, -83.483
Numerous trees downed across the county.
Thunderstorm Wind, Highland
- When
- August 9, 5:20 PM EST to 5:30 PM EST
- Where
- Highland County, Buford
- Measured
- 50 kt (58 mph)
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.067, -83.850
Trees were knocked down by thunderstorm winds.
Hail, Warren
- When
- August 9, 5:25 PM EST to 5:35 PM EST
- Where
- Warren County, Mason
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.367, -84.317
Thunderstorm Wind, Ross
- When
- August 9, 5:30 PM EST to 5:40 PM EST
- Where
- Ross County, Clarksburg
- Measured
- 50 kt (58 mph)
- Property damage
- $50,000
- Reported by
- BROADCAST MEDIA
- Coordinates
- 39.500, -83.150
Thunderstorm winds knocked trees down and blew a roof of a garage.
Thunderstorm Wind, Pickaway
- When
- August 9, 5:40 PM EST to 5:50 PM EST
- Where
- Pickaway County, Ashville
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.717, -82.950
Numerous trees knocked down across the county.
Thunderstorm Wind, Hamilton
- When
- August 9, 5:50 PM EST to 6:30 PM EST
- Where
- Hamilton County, Groesbeck
- Measured
- 53 kt (61 mph)
- Property damage
- $100,000
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 39.217, -84.583
Severe thunderstorms remained across the county for nearly three hours causing around 5000 trees to be knocked down. The locations with the most trees down were Madisonville, Hyde Park, Mount Lookout and Mount Washington. Lunken Field Municipal Airport recorded a wind gust to 62 mph during the storm. Also, quarter size hail fell in Colerain and walnut size hail fell in Groesbeck.
Thunderstorm Wind, Adams
- When
- August 9, 6:00 PM EST to 6:30 PM EST
- Where
- Adams County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.850, -83.483
Numerous trees knocked down across the county.
Thunderstorm Wind, Scioto
- When
- August 9, 6:15 PM EST to 6:40 PM EST
- Where
- Scioto County, Mc Dermott
- Measured
- 60 kt (69 mph)
- Property damage
- $50,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.833, -83.067
Hundreds of trees were knocked down across the county, including around 100 in West Portsmouth alone. Nearly every road in the county with a ridge had trees across the road. Quarter size hail also fell around Mc Dermott.
Thunderstorm Wind, Hocking
- When
- August 9, 6:30 PM EST to 6:45 PM EST
- Where
- Hocking County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.517, -82.450
Trees downed across the county.
Thunderstorm Wind, Hamilton
- When
- August 9, 6:35 PM EST to 7:30 PM EST
- Where
- Hamilton County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $50,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.150, -84.533
Severe thunderstorms continued across the county knocking down numerous trees.
Thunderstorm Wind, Brown
- When
- August 9, 6:45 PM EST to 7:00 PM EST
- Where
- Brown County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.950, -83.883
Flash Flood, Brown
- When
- August 9, 6:45 PM EST to 7:15 PM EST
- Where
- Brown County, Countywide
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.934, -83.867 (the zone’s center; the record gives no point)
Heavy rainfall caused flooded roads across the county.
Tornado, Scioto
- When
- August 9, 6:50 PM EST to 7:00 PM EST
- Where
- Scioto County, Sciotoville
- Rating
- F1
- Path length
- 2 mi
- Path width
- 50 yd
- Property damage
- $300,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.767, -82.883
A tornado was embedded in an area of straight line winds near Wheelersburg. Trees and power lines were knocked down on vehicles, damage occurred to a few homes, and two rail cars were knocked off their tracks.
Flash Flood, Clermont
- When
- August 9, 7:00 PM EST to 7:45 PM EST
- Where
- Clermont County, Countywide
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.047, -84.152 (the zone’s center; the record gives no point)
Heavy rainfall flooded roads across the county.
Thunderstorm Wind, Hocking
- When
- August 9, 7:05 PM EST to 7:30 PM EST
- Where
- Hocking County, Countywide
- Measured
- 50 kt (58 mph)
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.517, -82.450
Numerous trees knocked down across the county.
Lightning, Hamilton
- When
- August 9, 7:08 PM EST
- Where
- Hamilton County, 5 mi NW of Cincinnati
- Property damage
- $80,000
- Reported by
- FIRE DEPT/RESCUE SQUAD
- Coordinates
- 39.196, -84.543 (the zone’s center; the record gives no point)
Lightning struck a home causing a fire on the second floor.
Flash Flood, Adams
- When
- August 9, 7:10 PM EST to 8:30 PM EST
- Where
- Adams County, Countywide
- Property damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.846, -83.472 (the zone’s center; the record gives no point)
Heavy rain caused flooded roads across the county.
- 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.
- 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.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Hail and Damaging Winds in Kentucky, August 9 to 10, 20001 death · 1.75 in hail · 19 events
- Heat in Texas, August 9, 20001 death · 1 event
- Heat in Texas, August 9, 20001 death · 1 event
- Hail and Damaging Winds in New York, August 9, 2000$5.4 million · 1.25 in hail · 16 events
- Tornadoes and Flash Flooding in West Virginia, August 9 to 10, 2000$655,000 · F1 · 22 events
- Hail and Damaging Winds in West Virginia, August 9, 20002 injured · $536,000 · 53 kt wind · 22 events
- Tornadoes and Hail in Virginia, August 9, 2000$215,000 · F1 · 30 events
- Flash Flooding and Hail in New York, August 9, 2000$1.1 million · 1 in hail · 11 events
- Tornado and Flash Flood in Ohio, August 9, 2000$382,000 · F1 · 9 events
- Damaging Winds and High Wind in Ohio, August 9, 20008 injured · $52,000 · 5 events
- Tornado in Maine, August 9, 2000F2 · 1 event
- Damaging Wind in Florida, August 9, 20003 injured · $250,000 · 1 event
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: 5170746, 5170747, 5170748, 5170751, 5170750, 5170749, 5170752, 5170106, 5169626, 5169627, 5169710, 5169628, 5170397, 5169711, 5169712, 5169713, 5169714, 5169715, 5169716, 5170475, 5169717, 5169718, 5169719, 5170398, 5169720, 5169721, 5169722, 5169723, 5169724, 5169725, 5170037, 5170478, 5170094, 5170096, 5170104, 5170100, 5170095, 5170105, 5170093, 5170092, and more.