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Unformatted text preview: Uplift due to physical barrier (mountain) Frontal precipitation Uplift due to meeting of air masses (fronts) Convergence Four Families of clouds arranged by height low, middle, high, vertical clouds Stratus layer Cumulus pile Cirrus hair Air Masses Air Mass- extremely large body of air whose properties of temperature and humidity are fairly similar in any horizontal direction at any given altitude. Air masses are classified according to temperature and moisture properties of their source regions (SR) Based on moisture of SR Continental (dry) - land Maritime (moist) - oceans Based on temperature of SR Tropical (warm) Polar (cold) Arctic (extremely cold)...
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- Spring '10