assign5_solutions

assign5_solutions - Introduction to Atmospheric Sciences...

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Introduction to Atmospheric Sciences (ATOC-210) Assignment # 5, due date March 19/09 1) Explain why, on a sunny day, an aneroid barometer would indicate "stormy" weather when carried to the top of a hill or a mountain? Assuming no corrections are made for altitude, the drop in pressure from the base to the top of the hill would be detected by the barometer; the reading could be lower than that observed in most storms. (figure 8.6 page 186) 2) Why is that, on the equator, winds may blow either counter clock wise or clock wise with respect to an area of low pressure? On the equator the coriolis force is zero. Because there is no deflecting force, the wind can blow either clockwise or counter clockwise around an area of low pressure, depending upon how the flow initially responds to the PGF. In either cases, the PGF supplied the inwardly-directed force needed for circular motion. This would be an example of cyclostrophic flow. (pages 204-206) 3) Why don't Chinook winds form on the east side of the Applanchians?
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This note was uploaded on 12/25/2011 for the course ATOC 210 taught by Professor Ariya during the Winter '09 term at McGill.

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assign5_solutions - Introduction to Atmospheric Sciences...

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