Upslope fog hugging the mountain surface occurs when
A)air cools because of decreasing atmospheric pressure; eventually air cools to the dew point.
B)air warms because of decreasing atmospheric pressure; eventually air cools to the dew point.
C)air cools because of increasing atmospheric pressure; eventually air cools to the dew point.
D)air warms because of decreasing atmospheric pressure; eventually air warms to the dew point.

Question

Quizplus · Accepted Answer

Upslope fog occurs when moist air is forced up a mountain slope and cools as it rises. As the air cools, it eventually reaches its dew point and the water vapor condenses into fog. The cooling is due to decreasing atmospheric pressure as the air rises up the mountain slope.

Upslope Fog Hugging the Mountain Surface Occurs When