What is Cumulus cloud?
'''Cumulus clouds''' are [[white]] [[cloud]]s that are dense and large. They are known to look like [[cauliflower]]. Mostly, cumulus clouds have flat bottoms but the tops are always changing shape. [[File:Cumulus cloud forming anvil shape.jpg|thumb|alt=Cumulus Cloud|A Cumulus cloud forming into an anvil shape.]] Seeing a cumulus cloud means that the air is well mixed by up and down [[vertical draft]]s. When a cumulus cloud grows into a [[thunderstorm]], the cloud is called a [[cumulonimbus cloud]]. This is a sign that the air is rising to the [[stratosphere]].<ref>The Weather Book Wonders of Creation</ref> ==References== {{reflist}} ==Other websites== {{commonscat|Cumulus clouds}} *[http://amsglossary.allenpress.com/glossary/search?id=cumulus1 AMS Glossary of Meteorology] *[http://www.bbc.co.uk/weather/features/cumulus.shtml Cumulus cloud at BBC Weather] {{Webarchive|url=https://web.archive.org/web/20080325100114/http://www.bbc.co.uk/weather/features/cumulus.shtml |date=2008-03-25 }} *[http://oncampus.richmond.edu/academics/education/projects/webunits/weather/cumulus.html Cumulus cloud page at University of Richmond internal site] {{Webarchive|url=https://web.archive.org/web/20090527102139/http://oncampus.richmond.edu/academics/education/projects/webunits/weather/cumulus.html |date=2009-05-27 }} *[http://www.webiocosm.com/timelapse/timelapsevideos/wheatfield/wheatfields.htm Time-lapse of the formation of Cumulus clouds] {{Webarchive|url=https://web.archive.org/web/20080905201020/http://www.webiocosm.com/timelapse/timelapsevideos/wheatfield/wheatfields.htm |date=2008-09-05 }} {{science-stub}} [[Category:Clouds]]