Constructed analog approach suggest this MJO moves in to high amplitude 7-8.

If this verifies there will be major cold shifts to the Dec 20th beyond forecast.

Also seems as if several waves will offer up plenty of winter storm threats.

Buckle up…could get busy. #natgas $ng https://t.co/2jgmGMGpYd pic.twitter.com/yBasZxKFd6

— BAM Weather (BAMWX) (@bamwxcom) December 3, 2021