Mount Rainier creates several almost every day. Sometimes it will wear a cap for many days. It's an air compression humidity thing. They are formed by strong updrafts acting upon moist air at lower altitudes, causing the air to cool to its dew point as it reaches the mountaintop where it wraps around it . The cooled air then falls into the warmer air and the condensed moisture dissipates (disappears).
I think... On Dec 23, 2011, at 13:54 , steve harley wrote: > on 2011-12-22 15:08 Cotty wrote >> V cool! >> >> <http://www.bbc.co.uk/news/uk-england-leeds-16302606> > > these are fairly common in the Colorado front range, especially in Boulder > where i lived for some time; i understand they form as a result of a standing > wave in the atmosphere; the examples on the BBC page are very fine and more > multi-layered than we are used to seeing It's not that life is too short, it's that you're dead for so long...... — Anon Joseph McAllister [email protected] http://gallery.me.com/jomac -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
