(meteorobs) OT Spectacular Mammatus Clouds
Robert Gardner
rendrag at earthlink.net
Sat Oct 8 19:32:05 EDT 2005
There must be a fair amount of thermal updraft associated with mammatus
or mammatocumulus clouds. A couple years ago the crows at ground level
in my neighborhood were making quite a fuss. I looked up to see what was
disturbing them. The cloud cover was all mammatic clouds. Soaring high
above me was a group of nine ravens. Unlike crows which are very
gregarious birds, raven usually travel in pairs, but they can't resist
sharing a good thermal updraft often showing off by tumbling. These were
all maintaining a flat flight pattern and slowly drifting from east to
west.
GeoZay at aol.com wrote:
>
>My uncle referred me to this site. I've never seen clouds like this and must
>indeed be rare. Go to the below website...it's worth the look.
>George Zay
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>>>The clouds are called Mammatus clouds and there's a link on this URL that
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> tells about them. They do not precede a tornado, or fortell a storm, but
>are formed when the air is already saturated with rain droplets and/or ice
>crystals and begins to sink. The worst of the storm is usually over when these
>kind of clouds are seen. They are quite rare, but really beautiful. <<
>
>_http://www.hprcc.unl.edu/nebraska/june2004hastings-mammatus.html_
>(http://www.hprcc.unl.edu/nebraska/june2004hastings-mammatus.html)
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