c clouds. what are clouds made of? water vapor condensed to liquid or ice. air that has reached dew...
TRANSCRIPT
![Page 1: C Clouds. What are clouds made of? Water vapor condensed to liquid or ice. Air that has reached dew point Condensation nuclei (dust, salt, smoke, pollutants)](https://reader034.vdocuments.mx/reader034/viewer/2022051401/5697bfe21a28abf838cb464a/html5/thumbnails/1.jpg)
C
Clouds
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What are clouds made of?
• Water vapor condensed to liquid or ice. • Air that has reached dew point• Condensation nuclei (dust, salt, smoke,
pollutants)
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Environmental Lapse Rate
Temperature drops 5C every 1000 meters due to the expansion of air. McDonald Pass is 1924 meters, Helena elevation is 1324 meters. • What is the temperature difference?
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Expansion
Compression
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Three ways air is lifted.
1. Orographic lifting 2. Frontal Wedging
3. Convective lifting.
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Orographic lifting• “RainShadow
Effect”
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Oregon Rain shadow Effect. - Mt. Hood is the snowcapped Peak.
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Frontal Wedging
![Page 10: C Clouds. What are clouds made of? Water vapor condensed to liquid or ice. Air that has reached dew point Condensation nuclei (dust, salt, smoke, pollutants)](https://reader034.vdocuments.mx/reader034/viewer/2022051401/5697bfe21a28abf838cb464a/html5/thumbnails/10.jpg)
Convective Lifting
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Different types of clouds indicate different types of weather.
• Cirrus: High feathery clouds—usually clear skies
• Stratus: Layered clouds from wind blowing horizontally—usually associated with fronts of moisture with stable air.’
• Cumulus: Puffy clouds from convection moving clouds vertically
• Cumulonimbus: Large and tall clouds which produce heavy precipitation.
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Cirrus
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Cumulus
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Cumulonimbus
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Stratus
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Why don’t all clouds produce precipitation?
• For precipitation to occur on earth, water droplets must grow by 1,000,000 times.