National Weather Service updates La Nina forecast for fall, winter

Tennessee Valley (WDEF) – Today, the National Weather Service updated the La Nina watch for the fall and winter.

The update shows a 55-65 percent La Nina conditions develop over the next 3 months.

La Nina is characteristized by periodic cooling of ocean surface temperatures in central and east-central equatorial Pacific Ocean.

This graphic from the National Weather Service shows the impacts of La Nina across the country.

During La Nina conditions, the southeastern US sees more variability in storm activity during the winter months of December, January, and February.


**Graphic from the National Weather Service

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