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- LES occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes. As the cold air passes over the unfrozen, and relatively warm waters of the Great Lakes, warmth and moisture is transferred into the lowest portion of the atmosphere.
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Lake-effect snow. A cold northwesterly to westerly wind over all the Great Lakes created the lake-effect snowfall of January 10, 2022. Lake-effect snow is produced during cooler atmospheric conditions when a cold air mass moves across long expanses of warmer lake water.
Lake Effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes. As the cold air passes over the unfrozen and relatively warm waters of the Great Lakes, warmth and moisture are transferred into the lowest portion of the atmosphere.
Apr 30, 2024 · Learn how lake effect snow forms when cold air passes over warmer lake waters and picks up moisture. See how this phenomenon affects weather and snowfall in areas near big lakes, such as Buffalo, New York.
Nov 17, 2022 · Lake-effect snow forms when dry, freezing air picks up moisture and heat as it moves along warmer lake water.
Nov 11, 2016 · Learn how cold air picking up moisture and heat from a lake can produce bands of snow and rain downwind of the lake. Find out the ingredients, conditions and examples of lake-effect snow in the U.S. and other regions.
Nov 27, 2023 · Lake effect snow forms when cold air moves over warm water, according to the National Weather Service. Most common in late fall and into winter, the heat and moisture coming from the...
What is Lake Effect Snow? Lake Effect Snow (LES) is very common across the Great Lakes region during the late fall and winter. LES occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes.
