NOAA declares El Niño, gives 63% odds of very strong event (opens in new tab)

NOAA said El Niño has developed in the tropical Pacific and issued an El Niño advisory, while Japan’s Meteorological Agency also declared the event under way after months of forecasts that the warm phase of the ENSO cycle would form during the northern summer. NOAA said El Niño conditions developed over the past month as sea-surface temperatures ran above average in the equatorial Pacific, with the atmosphere showing related changes in pressure, winds and rainfall. NOAA forecast the event wou...