Per HM , this is not a 2009 December coming up, OK
To be fair to Anthony you really need to read all his tweets around this topic . He makes good points, as always.
He went on to say about there are some positives, but also mentioned at this time back in 2009 he was already speculating on a big storm in December, as you can read below.
I did not look, but wondering what the AO and NAO were like durig the summer of 2009.