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 display1Clouds, PrecipitationHot air balloonsStable conditions Absolute instabilityConditional stability Surface inversion2Inversion aloft LA Basin InversionInversion Layer—Los Angeles Cloud 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 instability3cirrus CirrocumulusCirrostratus AltocumulusAltostratus Nimbostratus4Cumulus CumulonimbusCloud classification—left Cloud classification—rightFog—Golden Gate Bridge Fog—Tule Fog5Condensation in clouds Bergeron notesBergeron Process of ice-crystal growthCollision coalescenceGlaze ice Giant hailstone6Hail damage Rime icePogoniphttp://grannysatticquilts.com/pogonip.htmlPrecipitation measurementPrecipitation Map of Washingtonhttp://www.ptguide.com/weather/index.htmlWeather radar
View Full Document