Cold, Snow and Double Convergence Zone.

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This morning I mentioned there was a double convergence that was obvious in the satellite and radar (see images). Why? Because there was convergence of air streams behind two barriers...the mountains of Vancouver Island and the Olympics.
Take a look at the surface observations this morning (image)--you can see the converging air streams behind both barriers in the winds.

The air was cold enough today that where there was substantial precipitation intensity, snow was able to reach the elevations down to a few hundred feet. And the mountains were hammered with a foot.

Better get used to it...more probably on the way.

Tomorrow will be splendid...sunny and dry...but things change on Saturday morning when a cold front moves through, with very cold air behind. There could be some rain and snow showers after frontal passage..but I suspect the real fun will be later on Saturday and on Sunday morning when another convergence zone sets up. So don't be surprised to see some light snow somewhere over the Puget Sound lowlands. And the mountains will get plenty more.
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