Main Page | See live article | Alphabetical index Cloud cover is the amount of the sky obscured by clouds when observed at a particular location. External links and Resources On the Web Glossary of Atmospheric Terms, http://www.nsdl.arm.gov/Library/glossary.shtml#Cloud_cover : From the National Science Digital Library's Atmospheric Visualization Collection. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.