Inflight observation of Bottlinger's rings

On the morning of 5 November 2013, a bright subsun was consistently visible during a flight from Bozeman, Montana, to Salt Lake City, Utah. Just after passing over the Wasatch Mountains and beginning to descend into the Salt Lake Valley, the subsun expanded to a rare display of Bottlinger's rin...

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Bibliographic Details
Published in:Applied optics. Optical technology and biomedical optics 2017-07, Vol.56 (19), p.G113
Main Author: Shaw, Joseph A
Format: Article
Language:English
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Summary:On the morning of 5 November 2013, a bright subsun was consistently visible during a flight from Bozeman, Montana, to Salt Lake City, Utah. Just after passing over the Wasatch Mountains and beginning to descend into the Salt Lake Valley, the subsun expanded to a rare display of Bottlinger's rings-an elliptical halo surrounding the subsun. The rings remained visible for 1 to 2 min. This paper shows photographs of the sequence, along with meteorological data from a nearby radiosonde. The display occurred in virga below clouds at an air temperature in the approximate range from -8°C to -12°C, in air saturated with respect to ice, at an altitude of approximately 2600-3600 m above mean sea level.
ISSN:2155-3165
DOI:10.1364/AO.56.00G113