Over the past three months, the equatorial Atlantic has been swinging from hot to cold at record speed. The development of this “Atlantic Niña” pattern comes just before a cooler La Niña is expected to shift to over the Pacific Ocean, and these successive events could have ripple effects on weather around the world.
After more than a year of record heat on land and at sea, temperatures are cooling in both basins, which is a welcome change.
Source: www.newscientist.com