Originally Posted by DivaNZ620
There are also so called "Next Generation" Pilot charts
...in fact Grib files compiled from actual weather for every month from 1990-1999.
That's very interesting. If you can contact me directly, I'll sort something out to make it available to others (FTP etc). I'd be very interested in a copy of this data too.
If you prefer, email me on s.mcauliffe @ gmail.com and we'll organise something.