La Niña could make a comeback. Here’s what that means for winter in the US

La Niña could make a comeback. Here’s what that means for winter in the US

La Niña has about coin-flip odds of emerging this fall, with a 53% chance from September through November, according to the latest National Oceanic and Atmospheric Administration forecasts. It has a slightly better chance – 58% – of emerging by the end of the year. The odds are good enough to have t...