Clouds, PrecipitationHot air balloonsStable conditionsAbsolute instabilityConditional stabilitySurface inversionInversion aloftLA Basin InversionInversion Layer—Los AngelesCloud DevelopmentCloud ShapesCloud GroupscirrusCirrocumulusCirrostratusAltocumulusAltostratusNimbostratusCumulusCumulonimbusCloud classification—leftCloud classification—rightFog—Golden Gate BridgeFog—Tule FogCondensation in cloudsBergeron notesBergeron Process of ice-crystal growthCollision coalescenceGlaze iceGiant hailstoneHail damageRime icePogonipPrecipitation measurementPrecipitation Map of WashingtonWeather radar displayClouds, PrecipitationHot air balloonsStable conditionsAbsolute instabilityConditional stabilitySurface inversionInversion aloftLA Basin InversionInversion Layer—Los AngelesCloud Development• Air cools upon rising• Cools to dew–point temperature• Condensation begins• “Lifting condensation level”Cloud Shapes• Cirrus—curl (of hair): thin wisps• Stratus—blanket: extensive layers• Cumulus—pile: puffy massesCloud Groups• High clouds—6000 m or more above surface• Middle clouds—2000 m to 6000 m above• Low clouds—less than 2000 m above surface• Clouds of vertical development– Present through more than one level– Product of atmospheric instabilitycirrusCirrocumulusCirrostratusAltocumulusAltostratusNimbostratusCumulusCumulonimbusCloud classification—leftCloud classification—rightFog—Golden Gate BridgeFog—Tule FogCondensation in cloudsBergeron notesBergeron Process of ice-crystal growthCollision coalescenceGlaze iceGiant hailstoneHail damageRime icePogoniphttp://grannysatticquilts.com/pogonip.htmlPrecipitation measurementPrecipitation Map of Washingtonhttp://www.ptguide.com/weather/index.htmlWeather radar
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