there are 3 major forces that determine how strongly the wind will blow and in what direction: 1....
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named for, nineteenth century French engineer Gaspard C. Coriolis Coriolis discovered that a force appears to be operating on any moving object situated on a rotating body, such as a stream of air traveling on the surface of a rotating planet.TRANSCRIPT
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There are 3 major forces that determine how strongly the wind will blow and in what direction:
1.Pressure Gradient Force ◦ push from high pressure to low
pressure2.friction3.Coriolis effect
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named for, nineteenth century French engineer Gaspard C. Coriolis
Coriolis discovered that a force appears to be operating on any moving object situated on a rotating body, such as a stream of air traveling on the surface of a rotating planet.
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caused by Earth’s rotation
appearance to the observer on Earth of the path of a moving object to deflect to the right in N. right in N. Hemisphere Hemisphere & to the left in the S. left in the S. HemisphereHemisphere
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also causes low pressure systems to rotate clockwise
high pressure systems to rotate counterclockwise
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Degree of deflection depends on how fast the winds are blowing and it’s latitude:◦ slower the wind speed, the less it will be deflected
◦ faster the wind speed, the more it will be deflected
◦ more deflection at the poles◦ less deflection at the
equator
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From outer space it would appear the winds are moving in a straight line
Since you are on earth and it is rotating, it looks to you like the winds are curving
There really a change in motion, but that is ONLY because the target or frame of reference is rotating with the earth
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http://www.uwf.edu/atc/projects/coriolis/main.swf