High Clouds

- 6 km

-Thin white & composed of ice

-Cirrus, Cirrocumulus, Cirrostratus

middle clouds

  • composed of H2O

  • altocumulus-settled weather

  • altostratus- changing weather

Low clouds

  • occur as general overcast often widespread & are associated of somber skies & drizzly rain

  • stratus stratocumulus, stratonobius- rain clouds

clouds of vertical development

  • low bases but reaches of 15 km

  • indicates very active vertical movement in the air

  • cumulus and cumolonimlos----->storms clounds


cloud (usually stratus in nature) that forms on the ground
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