11windsys.big

11windsys.big - Synoptic-scale thermally driven circulation...

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1 Ch. 7: Wind Systems Size Scales of Weather Systems Microscale Turbulence Mesoscale Sea and Land Breezes Mountain and Valley Breezes Synoptic-scale Monsoon Circulations Chinook (Foehn) and Santa Ana Winds
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2 Size Scales Microscale Less than about 1 km Mesoscale Up to about 100 km Synoptic-scale Up to about 10,000 km Global-scale Planetary-size
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3 Turbulence and Wind Shear Eddies Shear-induced eddy Lee Waves
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4 Thermally Driven Winds: Sea and Land Breezes Ocean Ocean Land Land Cool Warm Cool Cold H L L H
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5 Mountain and Valley Breezes Valley Breeze Mountain Breeze
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6 Monsoon Circulation
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Unformatted text preview: Synoptic-scale thermally driven circulation Large size scale longer cycle time flips seasonally instead of daily Winter Monsoon Summer Monsoon 7 Chinook Wind In Europe/Asia: Foehn Wind Latent heat release warms the rising air Condensed water precipitates out on windward side Dry adiabatic compression Hot, dry! Compression heat + Condensation heat 8 Santa Ana Wind So. Cal. High Deserts San Gabriel/ Tehachapi Mts. H over Great Basin Adiabatic compression during descent warms the air 9...
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11windsys.big - Synoptic-scale thermally driven circulation...

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