What time of year is lake-effect snow most likely Why?
Lake effect snow is common across the Great Lakes region during the late fall and winter. Lake Effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes.
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This storm was the result of a phenomenon called “lake effect snow.” It's one of the main reasons why areas near big lakes, like the Great Lakes, get such remarkable snowstorms. Such storms usually occur between November and February, not October.
Lake-effect snow can form on small lakes just as it does in the Great Lakes. Salt Lake City, Fort Worth and Carson City, Nevada have all had bouts of snow from lakes. Inland lake-effect and ocean-effect doesn't just occur in the United States.
The vapor then freezes and is deposited on the leeward (downwind) shores. A cold northwesterly to westerly wind over all the Great Lakes created the lake-effect snowfall of January 10, 2022. The same effect also occurs over bodies of saline water, when it is termed ocean-effect or bay-effect snow.
The fetch is important in that a longer fetch will provide more fuel, or water vapor, for the development of heavier lake effect snow. For example, a north wind will produce a narrow band of very heavy snow to the south of Lake Michigan, while a (cold) west wind will produce multiple weaker bands to the east.