Weather History for August 20

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Updated Frost & Freeze Program for Fall 2025

Western New York Weather History

AUGUST 20

1993

Severe thunderstorms developed across the area ahead of a cold front. The thunderstorm winds downed trees and power lines. Some of the downed trees caused structural damage to homes. At Conesus Lake, a dock and boat were damaged.

In Oswego County, a waterspout came ashore at Sandy Point on County Route 15. Numerous trees, wires and telephone poles were downed. Several residences and vehicles were destroyed. Several docks were lifted out of the water.

In Jefferson County, several waterspouts were sighted off Montario Point. One waterspout came ashore and moved 300 yards inland uprooting several large trees which destroyed a lakeside home.

1999

Thunderstorms dropped torrential rains on parts of the Niagara Frontier and Western Southern Tier. As much as three inches of rain fell in a short time, flooding roads and viaducts in Depew, Lancaster, Kenmore and Olean. In Depew, a woman had to be pulled through the window of her car when it got stuck in five feet of water under a viaduct on Rte. 78. Also in Depew, the hardwood floor of the local Boys and Girls Club was damaged beyond repair when flood waters poured into the gym.