> From: [email protected] [mailto:[email protected]] On Behalf Of > Joseph McAllister > Subject: Re: Lenticular clouds over Yorkshire > > 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... >
In Yorkshire they're caused by smug clouds of self-satisfaction mingling with the hot steam rising from the chips on their shoulders. B > 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 > -- 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.
