There have already been two noteworthy stratospheric warming events.

Both of which have delivered cold to Asia and Europe but left North America out.

November temp anomaly so far. Check out Eurasia vs North America!

However could the model projected 3rd stratospheric warming event allow NA to join in on the cold?

That’s of course IF there’s an SWE.

Even ahead of any SWE, we appear to be turning a very warm corner. The past weekend snowstorm may have dropped 2ft over northern Minnesota but with the help of lake-enhancement, Redfield in NY’s Tug Hill was buried beneath 54 inches of snow! The 27.6 inches in Binghamton was in fact their biggest snowfall in a single event on record.

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We have a colder trend as we depart a record warm November and enter meteorological winter’s opening month as positive heights building over the North Pacific and Hudson Bay are expected to merge, deepening a trough beneath.

This is the latest projections from the GFS at 50mb.

7 day

10 day

CFSv2 for December continues trending colder and colder for the West. Very La Nina-like.

See this morning’s video.

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