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Last 17 years have been the hottest since 1880: NASA

19 Jan 2018 | By NewsBytes Desk
2017 world's warmest year without El Nino

2017 was the warmest without El Nino, the Pacific weather pattern that adds to the rising temperatures, reported NASA on Thursday.

Considering El Nino's contribution, NASA ranked 2017 the second-warmest, after 2016.

National Oceanic and Atmospheric Administration, however, ranked it third, behind 2016 and 2015.

But both organizations agree that 17 of the 18 hottest years since 1880 have occurred post 2001.

Here's more.

In context: 2017 world's warmest year without El Nino

19 Jan 2018Last 17 years have been the hottest since 1880: NASA

Why are El Nino years the hottest?

In an El Nino, tropical Pacific trade winds that usually blow from east to west, weaken or reverse in certain situations, warming the ocean's typically colder parts. This added heat at the ocean surface then releases into the atmosphere and raises global temperatures.
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