Before I get into today’s topic, here’s WeatherBug and Weather.com’s forecast for white Christmas prospects. Afterall we do have a storm to contend with…

Historic chances?

There’s a high level of uncertainty as we head towards New Year and beyond. While the GFS and EPS Control show an Alaska to Greenland negative extending into the WESTERN US with eastern ridge and mildness, recent days and runs of the GFS has suggested the N Pacific ridge returning to Alaska with another plunge of bitter cold into the Lower 48.

Note the large scale low heights in the high latitudes reverse as per the latest GFS ensemble.

CFS

No video tonight!