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The production of showers by the growth of ice particles

โœ Scribed by F. H. Ludlam

Publisher
John Wiley and Sons
Year
1952
Tongue
English
Weight
714 KB
Volume
78
Category
Article
ISSN
0035-9009

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โœฆ Synopsis

Abstract

A model of cumulusโ€cloud structure is described, and used, together with the available evidence on the temperatures of iceโ€crystal formation and a calculation of the speed of growth of crystals into precipitation elements, to estimate the summitโ€level temperatures at which the formation of showers becomes likely. It appears that in warm weather showers may be expected with summit temperatures of about โˆ’10ยฐC, but in cold weather not until they fall to about โˆ’20ยฐC. Observational evidence is shown to support this view although emphasizing large casual variations, some of whose causes are suggested.

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