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  1. 1. Moisture, Clouds and precipitation
  2. 2. Adiabatic TemperatureChanging and Expansion and Cooling.• Temperature changes happen even though heat is not added or subtracted is adiabatic temperature.• The first type of adiabatic is dry adiabatic, this is the cooling or heating of unsaturated air• The second type is wet adiabatic, this is the cooling of saturated air and it moves slower than dry adiabatic.• http://strangepaths.com/en/
  3. 3. Orographic Lifting• This occurs when mountains act as barriers to air flow, forcing the air to ascend.• http://en.wikipedia.org/wiki/File: Orographic_lifting_of_the_air_- _NOAA.jpg
  4. 4. Frontal Wedging!!!!• The area between warm and cold air is a front.• A process that occurs at a front, dense air act like a road block.• Less dense air rises.• http://www.geo.hunter.cuny.edu/ ~tbw/wc.notes/4.moisture.atm.st ability/frontal_wedging.htm
  5. 5. Convergence• The up rising of air that results from the air in the lower atmosphere flowing together is Convergence• warm days, air flows from the ocean to the land along both coast of Florida• commons.wikimedia.org
  6. 6. Localized Convective Lifting• Unequal heating of earths surface warms a section of air that lowers the air density• http://www.richhoffmanclass.co m/chapter4.html
  7. 7. Stability (Density Differnces & Syability and DAILY Weather• Stable air stays in its position, when unstable air rises.• Temperatures Conversion happens when air increases with height.• http://ocw.usu.edu/Forest__Rang e__and_Wildlife_Sciences/Wildla nd_Fire_Management_and_Plann ing/Unit_7__Atmospheric_Stabilit y_and_Instability_1.html
  8. 8. Condensation• The air must be fully saturated to form any kind of condensation.• Types of condensation is weather dew, fog, or clouds.• http://www.kidsgeo.com/geograp hy-for-kids/0107- condensation.php
  9. 9. Types of clouds• Clouds are described by their height and formed.• There are different types of clouds• Cirrus , Cumulus and Stratus.• http://www.weatherquestions.co m/What_kinds_of_clouds_are_th ere.htm
  10. 10. High Clouds• High clouds are often made up of ice crystals, they are thin and white as well.• They are formed by low tempertaures, small amount of water vapor up high.• http://eo.ucar.edu/kids/sky/cloud s3.htm
  11. 11. Middle Clouds• Clouds appear to 2000- 6000meters from ground.• These Clouds put a blanket like across the sky that looks whiteish grey.• http://www.allstar.fiu.edu/aero/fl tenv3.htm
  12. 12. Low Clouds• Low clouds cover a lot of the sky, kinda like fog.• Low Clouds form from air rising up.• Nimbostratus,Stratocumulus and stratus clouds are all types of low clouds.• http://www.atmos.illinois.edu/ea rths_atmosphere/clouds.html
  13. 13. Clouds of Vertical Development.• Not all clouds fit in high low or middle clouds.• Some clouds can form under the proper circumstance.• http://www.free-online-private- pilot-ground- school.com/Aviation-Weather- Principles.html
  14. 14. Fog• There is nothing different from a fog and a cloud, the only difference is the method and place of formation.• Fog is formed by radiation cooling.• Fog is clouds that touch to the ground.• http://www.naturalhazards.org/h azards/fog/index.html
  15. 15. Cold Cloud Precipitation(Bergeron process)• Bergeron Process is a theory that relates the formation of precipitation to supercooled clouds, Freezing nuclei• Water is supercooled when it is below 0°C• http://www.richhoffmanclass. com/chapter5.html
  16. 16. Warm Cloud Precipitation (collision-coalescence process)• Supersaturated is with ice is greater than 100 percent relative humidity.• Rain drop formation in warm clouds is a theory called Colluision- coalescence.• https://www.meted.ucar.edu/sign_i n.php?go_back_to=http%253A%252 F%252Fwww.meted.ucar.edu%252F tropical%252Ftextbook_2nd_edition %252Fnavmenu.php%253Ftab%253 D6%2526page%253D3.0.0
  17. 17. Rain & Snow.• Drops of water that fall from the sky is called rain.• When the temperature gets really cold the rain froze to a 6-sided ice crystal called snowflakes.http://zahiym5tlc.edublogs.org/
  18. 18. Sleet, Glaze and Hail• Clear particles that fall from the sky is sleet.• Glaze is when frozen rain falls to the ground.• Hailstorms begin as ice pallets falling from the sky.• http://www.kidsgeo.com/geograp hy-for-kids/0118-freezing- rain.php