One might say this was a bell weather day for the
Sierra Nevada mountains.
In January, just as the Sun was setting above the district of
a huge cloud appeared as a bell capping the
Cap cloud is formed by air forced upwards by a
mountain peak, with the air then
cooling, saturating with moisture,
and finally having its
molecular water condense into
Such a bell-shaped
cloud structure is unusual as air typically moves horizontally, making most clouds
nearly flat across at the bottom.
Vertical waves can also give additional
lenticular cloud layers, as also seen above.
Given the fleeting extent of the great cloud coupled with
one might considered this also a
for an accomplished photographer.
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