We do not have a thread for the longer range right now...we've been discussing this in various storm threat threads, so I thought I would start this for the February pattern.
What we are seeing is a pretty strong move by ensembles (both GFS and ECMWF) toward a +PNA pattern...with potentially a -EPO as well but it may hang more near neutral.
For those not familiar with what it means...here are the loading patterns for the positive phases of both the EPO and PNA....
+EPO pattern:
+PNA
The