The 15th-25th period on the GEFS this morning is something that should be framed. Tall western North American ridge feeding in cross-polar flow and northern stream energy to meet with an active southern stream of storms, and lots of blocking. 🎶I’m dreaming of a White Christmas🎶 pic.twitter.com/BV61Yuc9JW

— StormTrackerSacher (@TrackerSacker) December 11, 2022