Topic
Siberian Express.
North American term for a cold air mass originating from Siberia
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About Siberian Express
Siberian Express is a meteorological term in the United States describing the arrival of an extremely cold air mass of Siberian origins. It specifically refers to an origin in Siberia. The term is most commonly employed by the news media when such a frigid air mass moves into the northern plains or upper Midwest. Meteorologically, it is typically associated with a phenomenon called the Pacific–North American teleconnection pattern (PNA).
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