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  1. 1. By Jacob Castillo http://www.maestronews.com/wallpaper /clouds/16920.html
  2. 2.  Temp changes that happen without heat  As you travel upward gas expands and temp gets cooler and cooler as you go  The dry adiabatic rate is for every 1000 feet ascending temp goes down 10 degrees celcius  The wet rate is 5-9 degrees celcius per 1000 meters http://www.kidsgeo.com/geography-for- kids/0070-adiabatic-temperature- changes.php
  3. 3.  As you go up a mountain slope adiabatic cooling happens creating clouds and precipitation,  This process only occurs because of the mountain or elevated terrain act as walls or barriers press&siever12.3.png
  4. 4.  When a cold front meets a warm front and the cooler and denser cold front air acts as a wall over when the warmer less dense air rises frontal.wedging.jpg
  5. 5.  When converging wind meet each other and because they cannot go down, they go up circulation-low2.gif
  6. 6.  Unequal heating of the earth causes spots of air in the atmosphere to be more heated than the surrounding air  The spots are called thermals lift_frontal.jpg
  7. 7.  Air that resists vertical movement  Is measured by measuring the earth’s atmospheric temperature at different heights  Air is stable when the temp goes down a little bit with an increase in altitude  Stable air resists vertical movement  Clouds with unstable air often generates thunderstorms http://www.google.com/imgres?q=thund erstorms=1t:429,r:8,s:0
  8. 8.  Condensation happens when water vapor in the air changes to a liquid  For condensation to happen the air must be saturated and there must be a surface http://www.google.com/imgres?q=dew& hl=en&safe=active&gbv=2&biw=1024&bih =429&tbm=isch&tbnid=jKms9pu1yBhy8M :&imgrefurl=http://www.engr.psu.edu/j
  9. 9.  Clouds are classified based on there form and altitude  There are three types of clouds called the: cirrus, cumulus and the stratus  The cirrus clouds are very high white and thin  Cumulus clouds have a flat base with a dome over it  Stratus Clouds are Sheets or layers that cover the sky the have no distinct cloud units cumulus.jpg
  10. 10.  The Cirrus, Cirrostratus and the cirrocumulus make up the high cloud family  They are thin and white often made of ice crystal and can warn of an incoming storm 6506_sm.jpg
  11. 11.  Clouds that are in the middle have the prefix alto in there name  They are large and dense middle+clouds.jpg
  12. 12.  There are three member s of the low cloud family called the Stratus, Stratocumulus and nimbostratus  There not very thick but they are thicker than cirrus’s low_level.jpg
  13. 13.  There are some clouds that do not fit into the categories and are the oddballs of the cloud nation  These clouds are all in relation with unstable air  Once upward movement is triggered from the unstable air these clouds extend upward drastically Gallery_Image_7708.jpg
  14. 14.  There is not a one difference between fog an cloud  Fog is defined as a cloud with its base being near the ground  Fog by cooling happens when the there is a calm clear night and the earths surface cools rapidly from radiation  Fog by evaporation happens when cold air moves over warm water and is saturated. As the water vapor rises it is immediately condensed and fog is produced fog_and_truck.jpg
  15. 15.  The Bergeron process requires super cooling and super saturation  Super cooled- when water is below 0 degrees celcius  Supersaturated- when air is 100% relative humidity  When either of these process’s occur a chain reaction of ice freezing vapor occurs and is transformed into snow bergeron_s.jpg
  16. 16.  Collision-coalescence is the mechanism that forms raindrops  Water absorbing particles can remove water vapor from the air at less than 100% humidity, forming large droplets  As the large droplets move through the clouds the gather smaller droplets and eventually fall to earth Collision.JPG
  17. 17.  Rain is drops of water that fall from clouds with a diameter of .5 mm  Snow is frozen rain that forms in temps lower than 0 degrees celcius a1280by1024.jpg
  18. 18.  Sleet is the falling of small translucent ice particles  Glaze is water falling from freezing to subfreezing layered temps that freeze when the water hits the ground  Hail starts out a small ice pellets and grow by hit super cooled water droplets hail.jpg
  19. 19. THE END!!!!!!! Thank you for you time, and remember you heard it from the best! 6a00d8341d4dc653ef010536a7b