GEO 211 1st Edition Lecture 14 Outline of Last Lecture I Chapter 5 Condensation A Fog is formed by 1 Cooling 2 Evaporation B Formed by cooling 3 types 1 Radiation fog formed by radiational cooling on clear calm nights also called ground fog Valley fog 2 Advection fog 3 Upslope fog C Formed by evaporation 1 Steam fog 2 Frontal precipitation fog Outline of Current Lecture II Cloud classification based on form and height A Latin Words used in the classification 1 Stratus 2 Cumulus 3 Cirrus 4 Alto 5 Nimbus B Height of clouds C 10 common cloud types 4 groups table 5 2 High clouds 1 Cirrus Ci 2 Cirrocumulus Cc 3 Cirrostratus Cs Middle clouds 1 Altocumulus Ac 2 Altostratus As These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Low clouds 1 Stratus St 2 Stratocumulus Sc 3 Nimbostratus Ns Current Lecture II Cloud classification based on form and height A Latin Words used in the classification 1 Stratus layered sheets etc 2 Cumulus puffed up puffy piled up 3 Cirrus thin fibrous 4 Alto middle clouds 5 Nimbus rain cloud B Height of clouds High 16 000 43 000 feet Medium 6 500 23 000 feet Low 0 6 500 feet C 10 common cloud types 4 groups table 5 2 High clouds 1 Cirrus Ci thin wispy fibrous clouds made with ice crystals figure 5 12 sometimes appear as hooked filaments called mares tails 2 Cirrocumulus Cc thin high clouds with small puffed masses made with ice crystals figure 5 13 appear as ripples or waves may produce mackerel sky wavelike appearance like scales of fish 3 Cirrostratus Cs thin spread cirrus clouds with ice crystals gives sky a milky look sun moon readily shines through them figure 5 14 o Halos ring of light around the sun moon Middle clouds 1 Altocumulus Ac puffy white gray masses puffs are larger than cirrocumulus figure 5 15 sometimes rolled out in parallel waves or bands have water droplets NOT crystals 2 Altostratus As thick spread out clouds figure 5 16 sun moon is dimly visible as a round disk referred to as watery sun Low clouds 1 Stratus St low clouds often covers entire sky over cast Figure 5 19 2 Stratocumulus Sc low clouds with low lumpy rounded masses Figure 5 18 blue sky is visible between individual cloud elements 3 Nimbostratus Ns dark gray rain cloud covers entire sky over cast figure 5 17 not a lot of thunder lightning
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