Pg class 18 (some 17)
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Pg class 18 (some 17)

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Pg class 18 (some 17) Pg class 18 (some 17) Presentation Transcript

  • Class 18 (starting at Slide 15) (and some 17 and 19)
  •  air pressure  http://www.youtube.com/watch?v=vGulvutZJpg
  •  What is wind?
  •  What influences wind direction?  What influences wind speed?
  •  Let’s figure out step-by-step, what happens to a rising air parcel.
  • 33% 33% 33% 1. Will rise 2. Will sink 3. Will maintain its vertical position
  • 50% 50% 1. Be subject to lessening air pressure 2. Be subject to increased air pressure
  • 33% 33% 33% 1. Expand in volume 2. Contract in volume 3. Stay the same size
  • 50% 50% 1. Collide with each other more 2. Collide with each other less
  • 50% 50% 1. Speed up 2. Slow down
  • 50% 50% 1. Less kinetic energy, lower temperature 2. More kinetic energy, higher temperature
  • 50% 50% 1. Water vapor will condense 2. Water will evaporate
  • 50% 50% 1. Clouds and precipitation 2. Clear skies and dry conditions
  • 50% 50% 1. Low pressure system 2. High pressure system
  • 25% 25% 25% 25% 1. It is called a vortex low 2. It is a tornado 3. It is called a cyclone 4. It is called an anticyclone
  • 25% 25% 25% 25% 1. Converge and move counterclockwise 2. Converge and move clockwise 3. Diverge and move counterclockwise 4. Diverge and move clockwise
  • http://www.atmo.arizona.edu/products/wximagery/globalwv.html
  • http://www.cpc.noaa.gov/products/global_precip/html/wpage.gl_ir_lo
  •  Monsoon Patterns