Ohio Fireworks Derecho
|The Ohio Fireworks Derecho was one of the first bow echos to be radar-documented.|
|Date(s)||July 4, 1969|
|Peak wind gust||104 mph (Sandusky, Ohio)|
|Fatalities||At least 40|
The Ohio Fireworks Derecho (or also the Ohio Independence Day derecho of 1969), was a severe wind event that took place during the evening hours of July 4, 1969. It affected the northern half of the state of Ohio as well as portions of Pennsylvania, southern Michigan, northern West Virginia and extreme southwestern New York. It was one of the numerous events of that type that hit a region in the United States during its national holiday, the others being in 1977, 1980 and 1999.
The event started out during the afternoon hours as a line of thunderstorms developed in southern Michigan. At about 6 p.m., as it reached the southern suburbs of the Detroit Metro area in Lenawee and Monroe counties, it quickly became a major derecho. It entered northwestern Ohio near the Toledo area packing winds that locally exceeded 100 miles per hour (161 km/h) which downed scores of trees all over the city.
Moving at a fairly quick pace, the mesoscale then hit the Sandusky and Cleveland areas creating extensive damage to some of its suburbs, including Lakewood, Rocky River and Linndale. Major damage was also reported over communities right along the Lake Erie shoreline. Winds also peaked near 100 miles per hour (161 km/h) in Cleveland, causing extensive power outages. An F3 tornado was confirmed in Flat Rock, Michigan on the day of this event.
This derecho event, although short-lived in comparison with other such events, was one of the deadliest ever. Eighteen people were killed in Ohio alone, including seven in Cleveland. Many of them were from toppled trees. At least three people who were watching holiday fireworks from small boats on Lake Erie drowned after being thrown off their boats by the high winds.  Over 100 boats were destroyed or flipped over on Lake Erie. There were also injuries reported in western Pennsylvania.
- "Maps and Statistics". Tornado History Project. Retrieved 2016-05-14.
- American Museum of Natural History Science Bulletins
- The Ohio Fireworks Derecho
- Ewinger, James (June 6, 2013). "Cleveland Metroparks, State of Ohio deal means new management, new vision for lakefront parks (videos, photo gallery)". The Plain Dealer. cleveland.com - Cleveland Live LLC. Retrieved 13 June 2013.
- Scott, Michael (2009-07-16). "Cleveland Metroparks unveil Lake to Lake Trail at Big Creek Reservation: 1969 storm recalled". The Plain Dealer. Retrieved 2009-07-18.
- NOAA Webpage on the derecho
- The Toledo Blade's coverage of the aftermath, July 5, 1969
- Heaton, Michael (2009-07-02). "40 years ago, holiday storm ravaged Northeast Ohio". The Plain Dealer. Retrieved 2009-07-07.