cirrus-they are thin, are blown by high winds into stream form. they generally mean fair pleasant weather.
cirrocumulus-made of ice crystals, thin white patches, small ripples. appear in the winter may indicate cold weather.
thin, sheetlike, cover most of the sky. they are so thin that the moon and sun shine through. they appear 12-24 hours before a rain storm or snow storm appears.
alto cumulus clouds
occur on a humid morning so thunderstorms could be coming, made of water droplets, look like parallel waves.
indicate changing weather,general gray to bluish gray, come before a rain storm.
usually gray they cover most of the sky, they look like fog, dont touch the ground, general overcast
low lumpy layers of clouds, vary in color as blue or gray, rain rarely occurs
dark grey wet looking, continuously raining or snowing. occur during a storm.
puffy clouds, looks like cotton, turn into thunderstorm clouds.
bring storms, thunderstorm clouds, deal with heavy storms, the clouds usually point where the storm is going.
4 types of fog
advection fog- when warm, moist air, moves horizontally over a cold surface such as snow- covered ground or a cold ocean current ( sea to land)
upslope fog- created by adiabatic cooling when humid air climbs a topographic slope.
evaporation fog- when water vapor is added to cold air that is already near saturation.