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The description of rain by means of sequential raindrop-size distributions

✍ Scribed by A. N. Dingle; K. R. Hardy

Publisher
John Wiley and Sons
Year
1962
Tongue
English
Weight
782 KB
Volume
88
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

The photoelectric raindrop‐size spectrometer has made possible the resolution of drop‐size spectra in natural rains to 1‐min intervals of time. Characteristics of the drop‐size spectra thus obtained and their time‐sequences are discussed. Various factors affecting the development of raindrop‐size distributions are discussed as they relate to the observed distributions.

Qualitatively it is indicated that the outstanding observed characteristics of the drop‐size distributions for moderate‐ to high‐intensity rains are primarily attributable to wind‐shear and gravity sorting at the onset of rain and to aerodynamic break‐up and impact splashing of drops, and that predominance of the coalescence or of the Bergeron‐Findeisen process of raindrop formation may be indicated by features of the ground‐level drop‐size distributions.

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