The mixing ratio is increasing along Path _____d_____ in the figure
above. Nowhere in the picture is
water vapor being added to the air in the figure.
The relative humidity is increasing along Path ____a_____. The relative humidity will increase (from a
value less than 100%) to 100% as the air rises and cools along
Path a.
The mixing ratio is decreasing along Path _____b_____. The air is being cooled below its dew point
temperature as the air continues to rise along Path B.
Excess water vapor will condense. Removal of water vapor
from the air means the mixing ratio will decrease.
The relative humidity is decreasing along Path ____c_____. Along Path C the air is sinking and
warming. This lowers the RH.
