How does "lake effect" snow form?

A. Warm, humid maritime air masses (mT) collide with cold, dry continental air masses (cP) near bodies of water, causing rapid cooling and precipitation of snow in the mT air mass.
B. Cold, dry continental air masses (cP) pick up moisture as they pass over warmer lake water. When the air mass encounters colder land, the air cools off and causes precipitation of snow.
C. Warm, humid continental air masses (cT) collide with cold, dry continental air masses (cP) near bodies of water, causing the rapid cooling and precipitation of snow in the cT air mass.


Answer: B

Environmental & Atmospheric Sciences

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