As funny as it sounds, I wouldn't dismiss JMA this evening.
A perfectly feasible evolution given the WAA towards Greenland between the T+96 and T+144 frame.
Edit: Currently -30c here in Bjorli - - and the models always try to collapse things too prematurely. Once the intense cold sets in over Scandi, it can be tougher to shift than Mr GFS and Mr ECM think...
Originally Posted by: Nordic Snowman