On 20 Nov, 20:11, wrote:

What have I been saying. How can these models can give us something
as rare as a similar set up to say 62/63 and then revert back to the
default set up zonal is beyond me.

The 1962/63 "style" set up isn't rare - we still get easterlies these
days in winter, just that they're not particularly cold and don't last
for 3 months on end...!

Richard