GEO 211 1st Edition Lecture 1 Outline of Last Lecture I There was no previous lecture Outline of Current Lecture II Weather and Climate A Definition of weather and climate III Elements of Weather and Climate B Temperature C Air Pressure D Humidity E Clouds F Precipitation G Wind H Visibility I Earth s Systems that Affect Weather J Atmosphere K Variable Gases Current Lecture II Weather and Climate A Weather atmospheric conditions of a particular place and time Use same data to find climate B Climate Weather of an area averaged over a long period of time 30 years III Elements of Weather and Climate C Temperature degree of hotness or coldness D Air Pressure force weight exerted by mass of air above a given point Will throw off other variables if slightly changed Cold air dense means high pressure E Humidity air s water vapor content More vapor in air means more humidity Condenses and forms into very small droplets of water bunch together and become clouds F Clouds clusters of condensed fine droplets of water in the atmosphere These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Does NOT predict rainfall or hail G Precipitation water that falls as rain hail or snow The process that turns normal clouds into ones that contain rain etc H Wind simply moving air Moves at different miles per hour I Visibility simply how far can you see how clear the atmosphere is IV Earth s Systems that Affect Weather J Atmosphere full of air molecules 78 Nitrogen 21 Oxygen Both are permanent gases not going to change in the percentage that is in the atmosphere K Variable gases vary in proportion not a large percentage in the atmosphere Water vapor turns to gas
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