The run-to-run consistency at the moment is just staggering. Three op runs in a row from GFS have had a northerly lining up in around 10 days time.
The 12z is the best effort so far and it remains on the chilly side with the HP sticking to the west for a number of days after:
Even on day 16 the pattern looks capable of reloading to some extent.
Incidentally, I joined late in October 2008 in response to an increasingly cold outlook that offered a chance of snow on my birthday (31st). As it happened, I missed out, but I seem to recall that London had some falling for a time.
Originally Posted by: Stormchaser