There is a 70 percent chance that the Pacific will shift from its warmer El Niño phase to its cooler La Niña phase between August and October, U.S. officials say, likely bringing an end to a long stretch of unprecedented warmth.
There is a 70 percent chance that the Pacific will shift from its warmer El Niño phase to its cooler La Niña phase between August and October, U.S. officials say, likely bringing an end to a long stretch of unprecedented warmth.