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Record El Niño Looms: Global Weather Patterns to Shift
8 Oct
Summary
- El Niño intensifying, forecast to be strongest since 1950.
- Strong chance of exceeding previous El Niño records.
- US winter may see wetter South, warmer/drier North.
A potent El Niño event is anticipated to continue intensifying, with forecasts indicating it could become the strongest recorded since 1950. Probabilities remain high for a strong-to-very-strong El Niño event through early 2027. There is a significant chance this El Niño will surpass the strength of all predecessors dating back to 1950.
This naturally recurring climate pattern, characterized by warmer Pacific waters, influences global temperatures and rainfall. In the U.S., El Niño typically brings wetter conditions to the southern states and warmer, drier weather to the north during winter. The magnitude of this expected event increases the likelihood of experiencing these associated impacts.
Winter snowfall across much of the northern U.S. is predicted to be below average. However, early snow in the Sierra Nevada and Rockies could benefit ski resorts and water supplies. Warmer conditions in the Northeast and Great Lakes regions are expected to delay winter's arrival and reduce snowfall, with cities like New York, Chicago, and Boston forecast to receive less snow than their historical averages.
