Large areas of the Atlantic Ocean and Mediterranean Sea are currently 5°C (9°F) hotter than usual, adding to mounting evidence a Super El Niño is imminent.

Large areas of the Atlantic Ocean and Mediterranean Sea are currently 5°C (9°F) hotter than usual, adding to mounting evidence a Super El Niño is imminent.

Using satellite data, NASA has detected a swell of warm water off the coast of South America.