New insights into the Ridiculously Resilient Ridge & North American Winter Dipole

The Rōbert [Cholo] Report (pron: Rō'bear Re'por)

A timely example: Persistent Western ridge, Eastern trough next 2+ weeks

In the coming days, a remarkably persistent weather pattern will begin to develop across North America and adjacent ocean regions. Characterized by strong high pressure near the West Coast and low pressure over the Eastern Seaboard, this “quasi-stationary,” high-amplitude atmospheric wave pattern will essentially become locked in place for at least the next 2 weeks. Patterns like this have a tendency to become self-reinforcing, lasting for much longer than more typical transient weather patterns and leading to prolonged stretches of unusual weather. This particular event will be no exception: California (and much of the West Coast) will almost certainly experience an extended, multi-week warm and dry spell, while much of the East Coast shivers through repeated blasts of cold, Arctic air.

~~~  READ ON  ~~~

From Mountain Weather Master Joe Ramey

Here is another emergence of…

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