Atmospheric Moisture


1	A given volume of air holds 20 grams of water vapor. At that temperature, the air would be saturated with 80 grams of water vapor. What is the relative humidity?
		100%
		40%
		25%
		80%
		Not enough information given to determine the answer

2	High-altitude, wispy clouds composed of ice crystals may precede a cold front. These clouds are ___________ clouds.
		cumulus
		stratocumulus
		cirrus
		altocumulus
		cumulonimbus

3	Puffy white clouds in lines or groups at middle altitudes in the sky are _________ clouds.
		stratus
		cirrostratus
		cirrus
		altocumulus
		stratocumulus

4	Which of the following are low rainclouds that form layers or sheets covering the whole sky?
		nimbostratus
		altocumulus
		stratus
		cumulonimbus
		cirrostratus

5	These clouds are thunderheads, rising to great heights, accompanied by thunder and lightning.
		cumulus
		nimbostratus
		stratocumulus
		cumulonimbus
		cirrus

6	If a parcel of air rises, and the amount of water vapor in the air does not change, the relative humidity will most likely
		increase
		decrease
		remain the same
		not enough information given to determine the answer


7	Rainfall caused by air rising up the slopes of mountains is ________ rainfall.
		orographic
		convectional
		conductional
		cyclonic
		convergent

8	Worldwide, you would expect the least amount of precipitation
		along the Equator in the Intertropical Convergence Zone
		on the west coasts of continents at about 50 degrees north and south
		in the subtropics at about 30 degrees north and south
		on the east coasts of continents at about 40 degrees north and south


9	Collision/coalescence is the precipitation process most likely to be found in the Tropics.
		True
		False




10	Which of the following cloud types would be found at the lowest altitude?
		stratus
		cirrus
		altostratus
		cirrostratus
		altocumulus