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Clouds and percipitation

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  • 1. Clouds and Precipitation By Haley Evans
  • 2. Adiabatic Temperature Changes And Expansion And Cooling• The temperature will change even if the heat is not added or going away• Wet adiabatic is slower than dry adiabatic• The cooling and heating is unsaturated air which is called dry adiabatic rate.
  • 3. Orographic Lifting• This is the first mechanisms that causes the air to rise• The mountains will act as barriers for the air to flow• The force will cause the air to go up.
  • 4. Frontal Wedging• This is the second mechanism that causes the air to rise• The front is where the warm and cool air can go• Warmer air will rise
  • 5. Convergence• This is the 3rd mechanism• This is air that is lifting• The air in the lower atmosphere coming together http://en.wikipedia.org/wiki/Cloud
  • 6. Localized Convective Lifting• This is the 4th mechanism• Unequal air heats up more than the air that is being surrounded• The air only gets a portion of it https://www.meted.ucar.edu/sign_in.php?go_ back_to=http%253A%252F%252Fwww.meted. ucar.edu%252Ffire%252Fs290%252Funit11%25 2Fnavmenu.php%253Ftab%253D1%2526page %253D5.1.0
  • 7. Stability(Density Differences & Stability and Daily Weather)• Stable air stays where it is at• None stable air sometimes rise• When the air is most stable is when the air temperature rises with the height http://www.sciencephoto.com/media/3476/vi ew
  • 8. Condensation• When there is dew, clouds, or fog the air has to be saturated• This happens in the air above the ground• There must be a surface for water-vapor condensation http://www.sciencephoto.com/media/3476/vi ew
  • 9. Types Of Clouds• The Cirrus cloud is high in the sky, has a white color and the cloud is thin. The clouds will appear to feel very soft.• The Cumulus cloud are round and the base is flat.• The Stratus cloud covers the whole sky or sometimes will cover most of the sky. http://boatsafe.com/kids/weather1.htm
  • 10. High Clouds• There are 3 different types of clouds.• They are Cirrus, Cirrostratus, Cirrocumulus.• They are the same because they all have crystals, their color is white, and the cloud is thin. http://www.bigbranch.net/high%20clouds.htm
  • 11. Middle Clouds• Middles clouds have a whitish or grayish color to them.• There are only two different clouds.• There called’ Middle clouds’ because they are 2000-6000 meters apart. http://www.beijinghikers.com/v2/resources/n ews/hiking-photos-switchback-great-wall- 2009-12-16/
  • 12. Low Clouds• There are 3 different kinds of clouds• They are Stratus, Stratocumulus, and Nimbostratus.• Nimbostratus is the cloud that’s the main one that makes rain. http://www.capetownskies.com/clouds- low.htm
  • 13. Clouds of Vertical Development• Some of the clouds don’t even have the height that they mentioned.• All of the clouds are related and have the same unstable air.• Cumulonimbus clouds would make rain or thunderstorms. http://en.wikipedia.org/wiki/Cloud
  • 14. Fog( By Cooling And By Evaporation)• Fog and clouds are the same.• When there is moist air it will become fog.• When the warm air moves over warm water it will evaporate. http://en.wikipedia.org/wiki/File:Dense_Tule_f og_in_Bakersfield,_California.jpg
  • 15. Cold Cloud Precipitation (Bergeron Process)• Water that is liquid states below 0 degrees is called’ super cooled’.• The super cooled water will freeze when it touches a solid.• There are different levels of ice and liquid. http://articles.pvsolarsalestraining.com/article s.php?EffectsofHailonPVSolarPanels
  • 16. Warm Cloud Precipitation( Collision- Coalescence Process)• When air is saturated to water, it is called ‘ supersaturated’.• Warm clouds come together with large cloud droplets.• Then the cloud droplets come together with smaller droplets and form raindrops. http://www.frangardino.com/clouds/index.ht ml
  • 17. Rain and Snow• When the surface temperature is 4 degrees Celsius then snowflakes will melt.• Then the snow turns into rain before it hits the ground• Six sided ice crystals will form when there is low temperature http://kohd.com/page/213587
  • 18. Sleet, Glaze, and Hail• Glaze is also freezing rain• Sleet is transparent ice• Hail will be produce in the Cumulonimbus clouds http://articles.pvsolarsalestraining.com/article s.php?EffectsofHailonPVSolarPanels
  • 19. The End!