To my untrained eye, the Atlantic high appears to want ridge north towards the Arctic high which seems to be more persistent and wanting to stay around. Before they hold hands, it needs a gap in the succession of depressions moving through Iceland.
http://old.wetterzentrale.de/pics/Rtavn2401.gif
Conditions and set up at the moment seem more typical from many many years ago, before something changed during the seventies.
Originally Posted by: Phil G