Clouds

High CloudsPolar Region Temperate

RegionTropical Region

Forms between 10,000 – 25,000

feet

Forms between 16,500 – 40,000

feet

Forms between 20,000 – 60,000

feet

Cirrocumulus

http://en.wikipedia.org/wiki/File:Cirrocumulus4_-_NOAA.jpg

Cirrus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicenseFir0002/Flagstaffotos

Cirrostratus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicenseFir0002/Flagstaffotos

Middle CloudsTypically forms at 6,500 feet

Altostratus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicensePiccoloNamek

Altocumulus

Bidgee http://creativecommons.org/licenses/by-sa/3.0/deed.en

Low CloudsFound up to 6,500 feet

Cumulus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicensePiccoloNamek

Stratocumulus

Arun Kulshreshtha http://creativecommons.org/licenses/by/3.0/us/deed.en

Nimbostratus

Simon Eugster http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License

Stratus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicensePiccoloNamek

CloudsCan have strong up-currents, rise far above their bases and form at many heights.

Vertical

Cumulonimbus

http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_LicenseFir0002/Flagstaffotos

Cumulus Congestus

Bidgee http://creativecommons.org/licenses/by-sa/3.0/deed.en

Pyrocumulus

http://en.wikipedia.org/wiki/File:Pyrocumulus_Cloud_Station_Fire_08312009_Aerial_View.jpgRdhettinger

Other CloudsA few clouds can be found above the

troposphere; these include noctilucent and polar stratospheric clouds.

Some clouds form as a consequence of interactions with specific geographical

features. An example of this is Morning Glory.

Noctilucent

Hrald http://creativecommons.org/licenses/by-sa/3.0/deed.en

Polar Stratospheric Clouds

http://en.wikipedia.org/wiki/File:Arctic_stratospheric_cloud.jpg

Morning Glory a special Roll Cloud

Mick Petroff http://creativecommons.org/licenses/by-sa/3.0/deed.en

Do you have a

favorite?