Cumulus
Cumulus (weather symbol - Cu) clouds belong to the Clouds with Vertical Growth group. They are puffy white or light gray clouds that look like floating cotton balls. Cumulus... More »
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Fair weather cumulus have the appearance of floating cotton and have a lifetime of 5-40 minutes. Known for their flat bases and distinct outlines, fair weather cumulus exhibit only slight vertical growth, with the cloud tops designating the limit of the rising air.
ww2010.atmos.uiuc.edu/(Gh)/wwhlpr/fair_cumulus.rxml ww2010.atmos.uiuc.edu/(Gh)/wwhlpr/fair_cumulus.rxml
Cumulonimbus clouds (Cb) are much larger and more vertically developed than fair weather cumulus. They can exist as individual towers or form a line of towers called a squall line. ... Other Cloud Types...
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/cldtyp/vrt/cb... ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/cldtyp/vrt/cb.rxml
Most cumulus clouds form below 6,000 feet and are relatively thin and associated with fair weather. However, when the atmosphere becomes unstable and very strong, upward air currents form, cumulus clouds can grow into cumulus congestus, or towering cumulus. ... Cumulus cloud shaped like an elephant over Leavenworth, Wash.
www.usatoday.com/weather/wcumulus.htm www.usatoday.com/weather/wcumulus.htm
Cumulonimbus cloud - Wikipedia, the free encyclopedia
Cumulonimbus ( Cb ) is a type of cloud that is tall, dense, and involved in thunderstorms and other intense weather. It is a result of atmospheric instability. These clouds can form alone, in clust...
en.wikipedia.org/wiki/Cumulonimbus_cloud
; This picture shows cumulus clouds. Cumulus clouds are puffy. They have flat bottoms and are low in the sky. Cumulus clouds usually mean fair weather. If they grow tall, ... Home Page ; Cumulus Clouds ; Cirrus Clouds ; Stratus Clouds ; Cloud Game ; Weather Books ; Cloud Links ; More Clouds ; Above the Clouds ;
www.cityofportsmouth.com/school/dondero/msm/weather/cum... www.cityofportsmouth.com/school/dondero/msm/weather/cumulus.html
As it rises it expands and cools, and if cooled sufficiently the water vapour condenses out as tiny cloud droplets. A cumulus cloud is born. ... Weather ; UK Weather ; World Weather ; Climate Change ; Travel Weather ; Sport & Events ; Coast and Sea ; Weatherwise ;
www.bbc.co.uk/weather/features/cumulus.shtml www.bbc.co.uk/weather/features/cumulus.shtml
As it rises it expands and cools, and if cooled sufficiently the water vapour condenses out as tiny cloud droplets. A cumulus cloud is born. ... Features Archive; Weather A-Z; Sports Features; Flood Risk Areas; The Year so Far;
www.bbc.co.uk/weather/features/weatherbasics/cloud_cumu... www.bbc.co.uk/weather/features/weatherbasics/cloud_cumulus.shtml
A COMPREHENSIVE GLOSSARY OF WEATHER ... Cell - Convection in the form of a single updraft, downdraft, or updraft/downdraft couplet, typically seen as a vertical dome or tower as in a cumulus or towering cumulus cloud. A typical thunderstorm consists of several cells (see multi-cellular thunderstorm).
www.geographic.org/climate/c.html
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