[halo66]

It’s simple...the western US has been under a dominate ridge for most of the winter whereas the northeast US has been under the influence of a trough. Warmer than normal in the western US and colder than normal in the eastern US. Basic meteorology...

[Steve_Seattle]

"It’s simple...the western US has been under a dominate ridge for most of the winter whereas the northeast US has been under the influence of a trough. Warmer than normal in the western US and colder than normal in the eastern US. Basic meteorology..."

That's what I've heard; it has nothing to do with global warming, one way or the other.

[editor-surveyor]

.

We had some incredibly nasty cold days here in central California in December.

At our ranch in the central Sierra, the week between christmas and new year’s day never got above zero.
.