GEOG 101 Lecture Notes - Lecture 8: Atmospheric Circulation, Lightning, Cumulonimbus Cloud
28 Sep 2018
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Document Summary
The short-term atmospheric condition or state at one location and at one time. Patterns of atmospheric circulation that lead to distinctive weather events, such as cyclones or thunderstorms. A large body of air who has similar characteristics in: temperature, moisture. Extensive and physically uniform (oceans and large plains) Located in either high or low latitude areas. Latitude (temperature) based: arctic (maritime, very cold, dry, polar (maritime, tropical (continental, warm, moist, equatorial (continental, very warm, moist. Change in temperature south to north movements. Change in moisture l to o movements. The surface or boundary of contact between two different air masses associated with a midlatitude cyclone. Middle latitude (35-55 degrees n & s) Zone of clashes between cold, polar air and warm, subtropical air. All types of fronts over the life span. Evolution (5 stages) (1) initial conditions (2) cyclogenesis (3) open stage (4) occluded stage (5) dissolving stage.
