Jon O'Rourke wrote:

Jack, just wondering if you're aware of the AMDAR programme which provides
routine temperature data from aircraft :-
http://www.metoffice.gov.uk/research...dar/index.html
http://www.metoffice.gov.uk/research.../aircraft.html

Yes I did know but unless I'm missing a vital link, I can't see how we
mortals can access the data.

Jack