The weather people called that the cold air is moving east. It always does that. Looks like the pinwheel action is over. That gave us a warm early winter last year, but it doesn't look well-established this year.
A Pacific plume is hitting Alaska. That always gives us a cold clipper, which is a cold-air peanut butter on top of warm bread. We get the cold, and then snow. The Great Lakes are still warm which might save Toronto, but Huntsville will get a foot or two.
When a cold air blob pushes out warm air, there is only a small chance of snow, but it is the worst because the cold stays and the ice becomes salt resistant. Blah!
I don't know why I do Europe any more. It's like doing Australia! It's become a common pattern this winter that this big cold air plume moves east and hits Europe. The deep penetration of cold is due to a very weak Atlantic heat content, but it should give a few more narrow plumes of warmth.
ps.
The world ocean temps show stronger and stronger cold water incursions into both the Atlantic and Pacific belts. Once again -- never been see before since sat monitoring started in the 80's.
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