– The boundary between a cold air mass that is advancing and a relatively warmer airmass. Generally characterized by steady precipitation followed by showery precipitation.

– The process of gas changing to liquid. The process by which water vapor changes into water droplets and clouds.

(COND PRES DEF)

– the transfer of heat between bodies that are in contact.

– A 2-D process in which airstreams move toward each other at some angle.

– Converging Q vectors. Indicates air will rises due to low level warm air advection and/or upper level divergence

– Between 7/10 and 8/10 cloud cover.

– A dry air mass originating over a large land area.