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Download Weather Part 1--Prezi Transcript
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Transcript of Weather---Part 1 Weather---Part 1 Water Cycle Review: Evaporation: Condensation: Precipitation: Humidity The measure of the amount of water vapor in the air Relative Humidity: Percentage (ratio) of the total amount compared to the maximum amount it can hold Measured with a PSYCHROMETER Wet bulb and dry bulb temperatures measured and compared... Bigger Change in Wet bulb-lower humidity Dew Point: Temperature where condensation begins Above freezing---water droplets Below Freezing--Ice Crystals Clouds Clouds form from Condensation Water vapor in the air forms liquid water or ice crystals Dust and/or smoke must be present for water to form around Cirrus Clouds Wispy, feathery clouds Form at high levels above 6 km---where temps are low Mostly made of ice crystals Cumulus Clouds Look Fluffy and rounded like cotton form less than 2 Kilometers above the ground (up to 18 kilometers high) If they are not very tall---fair weather CirroCumulus Clouds Low Cirrus Clouds that are fluffy---indicate storms Cumulonimbus --Nimbus means "rain" These clouds have flatter tops and are associated with thunderstorms Stratus Clouds Clouds that form in flat layers Cover most or all of the sky Nimbostratus Dull, Gray in color---produce drizzle, rain, or snow Alto-"high"---usually Alto cumulus or alto stratus These are mid-level clouds that are higher than regular cumulas and stratus, but lower than cirrus FOG Clouds near the ground Forms when ground cools in the night More common near bodies of water
