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What causes lake effect snow?

Answer 1

Lake effect snow is caused when cool winter air masses travel over warm waters of a large lake.

This usually occurs when large amounts of evaporation occur to form convective clouds that causes precipitation in the form of snow. Lake effect snow is very common in the Great Lakes region (especially upstate New York). Lake effect snow is more common during the early winters since the water has not have much time to cool. If a lake cools and freezes, lake effect snow is nearly impossible since convective clouds need warmer waters for evaporation to occur.

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Answer 2

Peyton Budinger

Lake effect snow is caused by cold air passing over warmer lake water, leading to evaporation. The warm, moist air rises, cools, and condenses into snow clouds, which then produce snowfall when reaching land.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.