Synoptic overview highlighting complex NPAC pattern forecast to result in US arctic intrusion from the North Pole.

๐Ÿ”‘ Point: Many moving parts in NPAC make pinpointing where arctic air will eject into US a major challenge.

Explains ~50F spread in Seattle temp๐ŸŽ„week.๐Ÿ˜ตโ€๐Ÿ’ซ #WAwx pic.twitter.com/pkNS3Wyb3M

— Philippe Papin (@pppapin) December 15, 2022