Big Changes Coming Next Week

The first arctic blast of the season may impact much of the eastern half of the nation behind a very strong cold front and complex storm system poised to impact the Mid-Atlantic Tuesday into Wednesday of next week.

The North Atlantic Oscillation (NAO), Arctic Oscillation (AO) are both trending toward their negative phases (cold signal in the east) and the Pacific North American (PNA) Oscillation is trending toward its positive phase (favors a ridge building over the western United States).

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