Subject: Types of clouds Agata Łazarz. Internet Classification identifies clouds by appearance: heaped clouds (cumulus) layer clouds (stratus) feathery.

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Presentation transcript:

Subject: Types of clouds Agata Łazarz

Internet

Classification identifies clouds by appearance: heaped clouds (cumulus) layer clouds (stratus) feathery clouds (cirrus)

Cumulus (heaped clouds) photo: Agata Łazarz, Lublin 2009

Stratus (layer clouds) photo: Agata Łazarz, Lublin 2009

Cirrus (feathery clouds) photo: Agata Łazarz, Lublin 2009

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.

High – level clouds photo: Agata Łazarz, Lublin 2009 Cirrus Cirrostratus

Mid – level clouds photo: Agata Łazarz, Lublin 2009 photo: Agata Łazarz, Wilno 2008 altostratus altocumulus

Low clouds photo: Agata Łazarz, Lublin 2009 stratocumulus

Vertical clouds cumulonimbus

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

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

Task 3. Look at the photos and give the names of clouds. cumulonimbuscirrostratus Photos:

altocumulus Photos: stratocumulus

Optical phenomena Photos:Agata Łazarz, 2008 haloirisation