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contributor authorSchaefer, Vincent S.
date accessioned2017-06-09T16:30:00Z
date available2017-06-09T16:30:00Z
date copyright1962/12/01
date issued1962
identifier issn0021-8952
identifier otherams-6897.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4210588
description abstractObservations of atmospheric clouds formed by hot springs and geysers were made at Yellowstone Park in the wintertime with free atmospheric temperatures warmer and colder than ?40C. Despite careful observations, no evidence could be found of the formation of supercooled clouds at temperatures colder than ?40C. Replicas made of the particles existing under varying atmospheric conditions showed that clouds formed with the air colder than ?40C consisted mostly of frozen, irregularly shaped particles. Liquid droplets were commonly found at temperatures warmer than ?40C. Optical phenomena were virtually absent in the ice particle logs that formed below ?40C. Very complex and spectacular halos, pillars, arcs and circles occurred alter the supercooled clouds formed at temperatures warmer than ?40C were seeded with dry ice or silver iodide.
publisherAmerican Meteorological Society
titleCondensed Water in the Free Atmosphere in Air Colder than −40C
typeJournal Paper
journal volume1
journal issue4
journal titleJournal of Applied Meteorology
identifier doi10.1175/1520-0450(1962)001<0481:CWITFA>2.0.CO;2
journal fristpage481
journal lastpage488
treeJournal of Applied Meteorology:;1962:;volume( 001 ):;issue: 004
contenttypeFulltext


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