Amount of water vapor in the air.
Measure of what the temperature feels like because of humidity
Heat Index
Temperature at which vapor condenses
Dew Point
Clouds that form on the ground
Forms when snow melts as it falls through a layer of warm air and refreezes
Falls as liquid water, freezes on contact with cold surfaces
Freezing Rain
Rain frozen into balls of ice
Large body of air with the same conditions throuhgout
Air Mass
A warm air mass trapped between two cold air masses
Occluded Front
Warm air is moving faster than the cold and the air rises
Warm Front
Air mass is trapped by a barrier
Stationary Front
Boundary between two air masses
Occurs when a cold air mass runs into a warm air mass
Cold Front