The "Arch Effect" myth claims the tall structure alters St. Louis' weather patterns. What really influences the city's weather is much more complicated.
The man, 70, was not wearing a safety device while operating the boat, according to police. He fell into the water near the 8-mile marker at Workment Hollow Cove.
The suit allege the city contributed to his death by failing to sound tornado sirens or to properly maintain a decaying tree in front of Larry Patrick's property.