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AIR PRESSURE, FORCES AND WIND. Larger systems, greater amplitude. Smaller systems, less variation (except tropical cyclones). Sea Level Pressure Map. Other constant height maps. Constant pressure surface. 500 millibar map. Pressure Gradient Force. Remember the paper cup experiment. - PowerPoint PPT Presentation

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Page 1: AIR PRESSURE, FORCES AND WIND
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Larger systems, greater amplitude

Smaller systems, less variation (except tropical cyclones)

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Remember the paper cup experiment

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FRICTION NEAR EARTH’S SURFACE- WIND CROSSES ISOBARS

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GEOSTROPHIC WIND (aloft!!!)- WIND FOLLOWS ISOLINES

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CHAPTER 10

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Sonic transducers

SOUND WAVESDETERMINEWIND SPEED,DIRECTION &TEMPERATURE

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http://www.wrds.uwyo.edu/wrds/rmfres/fendrift.html

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Also SW Ontario

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VANCOUVER LETHBRIDGE8°C 12°C

X X

CoolingAt MALR6°C/km

WarmingAt DALR10 °C/km

CoolingAt DALR10 °C/km

CoolingAt MALR6°C/km

WarmingAt DALR10 °C/km

More sensible heat

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Santa Anna Winds

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Buried Portion

Exposed sectionEntrained Particle

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