NOAA Forecast Highlights El Nino Driven Winter
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The Climate Prediction Center released its winter outlook for December 2026 through February 2027, noting a very strong El Nino will shape U.S. weather. Forecasters say the jet stream will shift southward and eastward, increasing storminess across the southern tier while the northern tier experiences warmer-than‑normal temperatures. Drought‑affected areas may see relief, but heavy precipitation on dry soil could trigger flash floods and mudslides. The outlook also predicts a stronger, more stable polar vortex, reducing Arctic air outbreaks but not eliminating cold snaps. Communities are urged to prepare for wetter conditions, especially in the Southwest, Southeast, and East Coast.
The forecast covers December, January, and February, the meteorological winter months, and emphasizes regional differences in temperature and precipitation.
Preparedness plans should address potential flooding and infrastructure strain as the nation faces a wetter, stormier winter season.
Timeline
- On October 15 2026 NOAA releases 2026‑2027 winter outlook.
- On December 1 2026 El Nino strengthens, shifting jet stream southward.
Sources
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