Looks not a million miles from the commencement of the cold spells in late November 2010 and mid-December 2009 to me.
Originally Posted by: David M Porter
Dec 2009 had the core of the HP over Iceland for a while irrc.
Not sure what to make of the models atm, other than it looks settled for a fair while. Whether the HP is static enough to allow some low level cold to form or indeed clear enough for some sun and frost is a bit of an imponderable.
GFS seems keen to reload the HP to a more favourable position, with the 12z OP in deep la la land showing how to get a decent early winter cold spell courtesy of it dropping a big chunk of the PV in to Scandi, with HP over Iceland nicely positioned to help the cold flood over most of Scotland and England I'd have thought.
The initial mild/warm HP phase seems pretty nailed on now, just have to wait and see how long it hangs around and whether it ends up somewhere that's conducive to getting some properly cold air over us.
It'll be interesting to see the Ens later - the 6z set had a split developing with a clear cold and milder cluster, suggesting continued HP dominance looks favoured but positioning as you'd expect far from certain.
All in all not a bad place to be in as we head towards the start of the silly season and the imminent dry mild stuff should be fairly pleasant to cycle in, which is a massive bonus for November
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