"Togless" wrote ...
I'd like to know more about what these charts are saying. Does
anyone know of a good introduction on the web that would help me
understand them, please?

Cheers,
John.

.... several years ago, we put together some notes, examples etc.,
he-

http://weatherfaqs.org.uk/node/140

I'm not sure how up to date they are, but the broad ideas will still
hold good.

Martin.


--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023