In message , Jack Harrison
writes
http://www.sat.dundee.ac.uk/abin/pro...3/11/1132/proj
ect.ch2.jpg

has everything - jet stream cloud, orographic waves, etc. A superb picture.
Needs registration with Dundee but free.

Jack

And this one, Jack

http://www.dfd.dlr.de/ftp/put/wetter...3111413.uk.jpg

There's a bit too much low cloud here for the wave pattern to be
identified 'from the bottom up'. The wavelength is noticeably shorter in
the south of the country, particularly SW Ireland, than further north.
Presumably this is due to differences in the vertical temperature
profile.

Norman.
(delete "thisbit" twice to e-mail)
--
Norman Lynagh Weather Consultancy
Chalfont St Giles 85m a.s.l.
England