An El Niño event has officially begun. The climate phenomenon, which originates in the tropical Pacific and occurs in intervals of a few years, will shape weather across the planet for the next year or more and give rise to various climatic extremes. El Niño-like conditions can also occur on longer time scales of decades or centuries.
Click here for original story, New study reveals abrupt shift in tropical Pacific climate during Little Ice Age
Source: Phys.org