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Subject: Types of clouds Agata azarz Slide 2 Internet Slide 3 Classification identifies clouds by appearance: heaped clouds (cumulus) layer clouds (stratus) feathery clouds (cirrus) Slide 4 Cumulus (heaped clouds) photo: Agata azarz, Lublin 2009 Slide 5 Stratus (layer clouds) photo: Agata azarz, Lublin 2009 Slide 6 Cirrus (feathery clouds) photo: Agata azarz, Lublin 2009 Slide 7 Classification identifies clouds by height of cloud base: high level clouds (above 6000 m), e.g cirrus; mid level clouds (2000 6000 m), e.g altocumulus; low clouds (below 2000 m), e.g stratus; vertical clouds, e.g cumulonimbus. Slide 8 High level clouds photo: Agata azarz, Lublin 2009 Cirrus Cirrostratus Slide 9 Mid level clouds photo: Agata azarz, Lublin 2009 photo: Agata azarz, Wilno 2008 altostratus altocumulus Slide 10 Low clouds photo: Agata azarz, Lublin 2009 stratocumulus Slide 11 Vertical clouds www.interklasa.pl/chmury cumulonimbus Slide 12 Revision Task 1. Put the given names of clouds in the charts. Names: altostratus, nimbostratus, cirrus, stratus, altocumulus, cumulonimbus, cirrostratus Low - levelmid - levelHigh - levelvertical Stratus Nimbostratus Altostratus Altocumulus Cirrus Cirrostratus Cumulonimbus Slide 13 Task 2. Match the definition to the cloud types 1. composed of ice crystals, delicat white clouds, do not bring precipitation 2. composed of water droplets, white-grey cloud, separeted by patches of blue sky 3. composed of water droplets, a thick, dark grey-black clouds, bring continuous rain 4. composed of water droplets, white cloud, grows vertically A.nimbostratus B. cirrus C. altocumulus D. cumulus Slide 14 Task 3. Look at the photos and give the names of clouds. cumulonimbuscirrostratus Photos:www.interklasa.pl/chmury Slide 15 altocumulus Photos:www.interklasa.pl/chmury stratocumulus Slide 16 Optical phenomena Photos:Agata azarz, 2008 haloirisation