summation principle

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summation principle [sə′mā·shən ‚prin·sə·pəl]

(meteorology)

In United States weather observing practice, the rule which governs the assignment of sky cover amount to any layer of cloud or obscuring phenomenon, and to the total sky cover; in essence, this principle states that the sky cover at any level is equal to the summation of the sky cover of the lowest layer plus the additional sky cover provided at all successively higher layers up to and including the layer in question; thus, no layer can be assigned a sky cover less than a lower layer, and no sky cover can be greater than 1.0 (10/10).

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No references found			Sumgin, Mikhail Sumgin, Mikhail Ivanovich sumi ink sumi reed Suminuri Matsuri Sumitomo Bank Sumitranandan Pant Sumkino Sumla summability method summable function Summarization summary Summary Object Interchange Format summary plotter Summary Proceeding summary recorder Summary Sheet Summary Sheet Form of Accounting Summary-Journal Form of Accounting Summation summation check summation convention summation network Summation of Divergent Series and Integration of Divergent Integrals summation principle summation sign Summation Tone summation wave summer summer black oil Summer Festival Summer Garden Summer Green Forests summer house summer kitchen summer noon summer piece summer savory oil summer school SUMMER SESSION Summer Solstice summer stone summer time summerbeam Summerhill Summerhill School Summers County Summers, Lawrence Henry Summerside summertree			summating summating Summating Potential Summating Potential and Action Potential Summating Potential to Action Potential summation summation summation summation Summation check Summation convention summation gallop summation gallop summation gallop summation gallop Summation method Summation method Summation methods Summation methods summation network Summation Number Summation Number Summation Number Summation Number Summation of Divergent Series and Integration of Divergent Integrals summation of effects summation of effects summation of effects summation of effects Summation of Portal Blood Flow summation principle summation sign summation tone summation wave summational summational summational summational summations summations summations summations summative summative summative summative Summative assessment Summative Assessment in Vocational Training Summative Assessment in Vocational Training for General Practice Summative evaluation Summative evaluation Summative evaluation Summative evaluation Summative evaluation Summative Project Brief summed summed summed summed summed up summed up

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