"NAO" FAR NEGATIVE.. FRIGID
The "North Atlantic Oscillation" is far negative right now, which helps account for this cold weather. Generally it means there is a Jet Stream pattern that is recurringly favorable to cold air passing into the Eastern US from Canada due to blocking in the northern Atlantic. The chart shown however predicts a "positive" NAO by mid March. That sometimes results in storm development, but also means milder weather may be on the way, and NOT just because winter will be waning. You can find links to computer models and other charts such as this NAO prediction right here on toddgross.com in Todd's World of Links.















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