Questions and Answers
What is the term for precipitation caused by air being lifted over high topographic surfaces?
Orographic precipitation
Which side of mountain ranges in the United States typically receives more precipitation due to orographic lifting?
West
What contributes to arid conditions prevailing on the downwind side of high topographic surfaces after the air mass has moved over them?
Dry air mass
What is the main factor influencing the size distribution of raindrops in a storm?
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Which of the following factors can cause falling raindrops to deviate from a spherical shape?
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What effect does the diameter of raindrops have on their stability while falling through the air?
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What method is used to measure snowfall in mountainous areas?
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How are snow courses samples collected for measurement?
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What is a common error in nonrecording rain gauges when measuring precipitation?
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What is one of the corrections needed for evaporation in rainfall measurement?
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How do aerial snow surveys help in predicting runoff amounts?
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What is the purpose of setting up depth-measuring equipment on snow ranges?
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What causes the highest rainfall in the western mountains?
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Why is lower annual rainfall generally observed as air moves down the mountain slopes?
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Which factor contributes to increased rainfall toward the eastern boundary of the United States?
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Why are funnel-shaped hoods inserted in rain gauges?
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What is a common problem associated with rainfall measurements using rain gauges?
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How are rain gauges classified based on their functionality?
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