1. Subject: Types of clouds Agata Łazarz

2. Internet

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

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

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

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

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.

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

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

10. Low clouds photo: Agata Łazarz, Lublin 2009 stratocumulus

11. Vertical clouds www.interklasa.pl/chmury cumulonimbus

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

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

14. Task 3. Look at the photos and give the names of clouds. cumulonimbuscirrostratus Photos:www.interklasa.pl/chmury

15. altocumulus Photos:www.interklasa.pl/chmury stratocumulus

16. Optical phenomena Photos:Agata Łazarz, 2008 haloirisation