On Sun, 24 Mar 2013 05:55:05 -0700 (PDT)
Ken Cook wrote:

Hi , David,
Must be no uksw folk there. I've posted about Helm before and got no
reply, thanks for yours btw. I'll try the COL group as the wind
intrigues me. Rather like the Pennine lee wave in reverse only
fiercer. Best wishes, Ken

CAS forum has some stuff on Helm Bar including time-lapse.
http://www.network54.com/Forum/38560...North+Easterly
http://www.network54.com/Forum/38560...8/Classic+Helm
Plenty more if you just search for 'helm.'

--
Graham P Davis, Bracknell, Berks.
Carlos Seixas, Sonata nº 1: http://www.youtube.com/watch?v=YXox7vonfEg
And for something completely different, Cumberland Gap:
http://www.youtube.com/watch?v=AsU-LTwx8Co