Cloud-free line of sight

From Glossary of Meteorology



cloud-free line of sight

(Abbreviated CFLOS.) Line of sight that is unhampered by the clouds present.

This is a military term and the data are used for determining the utility of various communications, surveillance, and weapons systems. Data express the probability that the line of sight will be unobstructed by clouds for geographic areas and climatic regions.
Compare clear line of sight.


Copyright 2022 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact permissions@ametsoc.org. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.