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The flashcards below were created by user
jtnorr01
on FreezingBlue Flashcards.
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True or false: Hadley cell originates with strong solar heating at equator.
True
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This is the first step in cyclogenesis
A polar front seperates warm and cold air
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This component describes the overall rotation of air
absolute vorticity
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dew points typically increase behind the position of the ______ front
a. warm
b. cold
warm
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these often bring warm weather
anticyclones
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the coldest air mass is ________.
arctic
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Major oceanic currents are caused by what
drag of surface winds
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areas of greatest vorticity generally occur along pressure ridge axes.
t or f
false
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Area between the warm front and the cold front in a mid latitude cyclone is called what?
the warm sector
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the source of moisture for the asian monsoon is what?
the indian ocean
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What is the result of air flowing from the subtropical high to the ITCZ?
the northeast tradewinds
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this has a wet adiabatic lapse rate is greater than the environmental lapse rate.
absolute stable air
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this can create cummulus clouds
orographic uplift
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these usually come from east to west
rossby wave
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in the collision coalesence process the entire clous is______
above freezing
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an inversion
indicates that a layer of air is stable
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a meridional pattern
favors formation of major anticyclones
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which frontal force travels with more forward velocity
cold front
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the relationship between convergence and vorticity is ________
directly proportional
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cloud formation requires the lifting of air.
t or f
True
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subtropical highs are most commonly found over land.
t or f
false
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an air mass formed over northern canada would probably be classified as__________
cP
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if air becomes progressivly warmer and more buoyant than the air around it it is said to be _________
absolutely unstable
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the shape of a raindrop ____________
flattens on the bottom as it falls
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what are the areas of the globe where air masses develope?
source regions
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What air mass would be descibed as hot and dry. as well as very unstable.
continental tropical air masses
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What air mass would be described as cold, damp, and cloudy. as well as somewhat unstable
maritime polar air masses
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What air mass is described as cold, dry, minimal cloud cover. as well as very stable
continental polar air masses
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who developed the polar front theory
Vilhelm Bjerknes
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