El Niño is a warming of the Pacific Ocean that can affect weather patterns around the world.
This year's El Niño is expected to be weak, but it could still have an impact on winter weather in the northern U.S.
El Niño typically brings warmer and drier conditions to the northern U.S. during the winter months.
However, the effects of El Niño can be unpredictable and vary from year to year.
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Other factors, such as the Arctic Oscillation and the North Atlantic Oscillation, can also influence winter weather patterns.
Meteorologists are still uncertain about how this winter will play out, but El Niño could give it a milder nudge.
Regardless of El Niño's impact, it's important to be prepared for winter weather and take necessary precautions.
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