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Blog Category: Snowmaggedon

U.S. Dealt Another La Niña Winter but ‘Wild Card’ Could Trump It

Map of US showing expected temperature by region

Devastating drought in Southern Plains likely to continue

The Southern Plains should prepare for continued drier and warmer than average weather, while the Pacific Northwest is likely to be colder and wetter than average from December through February, according to the annual Winter Outlook released today by Commerce's National Oceanic and Atmospheric Administration (NOAA).

For the second winter in a row, La Niña will influence weather patterns across the country, but as usual, it’s not the only climate factor at play. The ‘wild card’ is the lesser-known and less predictable Arctic Oscillation that could produce dramatic short-term swings in temperatures this winter. 

NOAA expects La Niña, which returned in August, to gradually strengthen and continue through the upcoming winter. It is associated with cooler than normal water temperatures in the tropical Pacific Ocean and influences weather throughout the world.  Full NOAA release  |  Climate Prediction Center Outlook | Temperature outlook  |  Precipitation outlook