EES 108 Class 19

EES 108 Class 19 - Coriolis Force Summary of Coriolis force...

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Coriolis Effect
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Coriolis Force  
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Summary of Coriolis force Direction:  Perpendicular to motion Changes direction, doesn’t change speed Turns wind Right in northern hemisphere • Left in southern hemisphere  Strength: Proportional to speed: • No wind = No force Slow wind = Small force • Faster wind = Greater force Varies with latitude: Greatest at high latitude (poles) • Weaker at low latitude (tropics) Zero at equator
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Upper air: No friction Simplest: straight parallel isobars Geostrophic flow More complex: curved parallel isobars Gradient flow Subgeostrophic or supergeostrophic Special case: quasi-circular isobars Cyclonic or anticyclonic
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Upper-level chart • 500 mb surface “Isobars” represent  height of 500 mb  surface, in meters  above sea level 5310:  The pressure 5310  meters above sea  level is 500 mb
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This note was uploaded on 04/09/2008 for the course HIST 101 taught by Professor Guliver during the Spring '08 term at Vanderbilt.

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EES 108 Class 19 - Coriolis Force Summary of Coriolis force...

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