From IF
Temperatures are about to start a decline to below average and expectations are for quite a few weeks of that situation remaining, with cold/bocked weather dominating. It could last well into March. Longer range products have only just started reacting to the MJO phase 7 (which tends to have instantaneous response in outcome here) due to lag. Now we can see the direction becoming clearer in GloSea5 and EC Monthly, we await the operational model centres to catch-up. Storm track is expected to become ever more southerly in next 1-3 weeks, with inherent prospect of these passing to S-E of UK and resultant risk of wintry hazards. It's total chalk and cheese change versus winter so far and evidence is now compelling for most protracted period of below-normal temperatures seen for some time. It matches exactly the UKMO Seasonal Team assessment for this winter, but only now is the model evidence becoming well aligned.
IF Again
EC-EPS run below average all the way to end of run (see below, Reading shown). Considering too how all 51 ENS members sit in a single cold cluster by 6 March (see below), the support for a lengthy period of NW-N'ly dominated flow, as per GloSea5 and EC Monthly, is starting to get reflected now in other products.
https://nwf.nwstatic.co.uk/forum/uploads/monthly_2016_02/Screenshot_2016-02-21-12-30-19-1.png.0583a4b9503ab8b79009fbde78f60048.png
Originally Posted by: Gooner