On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 2000 m to 4000 m? Why?



Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.


No, With increased cooling as air rises, capacity decreases; condensation takes place and so relative humidity stays at about 100%.

Environmental & Atmospheric Sciences

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