Journal of the Meteorological Society of Japan. Ser. II
Online ISSN : 2186-9057
Print ISSN : 0026-1165
ISSN-L : 0026-1165
Peculiar Shapes of Solid Precipitation Observed at Syowa Station, Antarctica
Katsuhiro Kikuchi
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1970 Volume 48 Issue 3 Pages 243-249

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Abstract

A series of observations on the shapes of solid precipitation was carried out directly using microscopic photography at Syowa Station, Antarctica from the beginning of February 1968 to the end of January 1969. Besides, the replica solution method was used at the same time and
sometimes, snow crystal sonde method by captive balloon was used jointly.
As a result, unknown and peculiar shapes of solid precipitation as shown in Photos. 1-12 were discovered. It is considered that the majority of the peculiar shapes has some connection with bullet and the side plane shape snow crystals known hitherto. Especially, it seems worthy of attention that the minimum temperatures in the clouds in which the peculiar crystals grew as estimated from sounding curves were higher than -35° in almost all cases of the crystals.

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