Rime Ice (Pogonip) on Trees

March 23, 2005


Provided by and copyright: Julie Rodriguez Jones
Summary author: Julie Rodriguez Jones

The above winter wonderland doesn't owe its captivating looks to a recent snowfall -- there's no snow on any of the these trees. Dense, freezing fog occurred all day and night for almost an entire week (beginning January 17, 2005) here in Spanish Springs, Nevada. The freezing fog, called pagonip or pogonip by the Shoshone, which translates to white death, readily accumulated on trees and most other exposed surfaces. Each day this veneer of rime ice was heavier. Temperatures were mostly in the 20s, and ice was everywhere. See the Earth Science Picture of the Day for January 4, 2005.

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[Revised 12/17]