2018 the 4th warmest year amid continued warming trend

2018 Fourth Hottest Year On Record, Says NASA

2018 Fourth Hottest Year On Record, Says NASA

Air and sea surface temperature data from 6,300 weather stations, ship and buoy observations, and temperature measurements from Antarctic research stations were analyzed.

The two agencies use much of the same data but perform independent analyses with minor differences in methods that yield slightly different rankings. "That means kids graduating from high school have only known a world of record-breaking temperatures". It's part of a continued global warming trend.

"There was no Greenland and sea level was about 25 meters higher".

US President Donald Trump has taken little action to address global warming.

Scientists say such remarks confuse short-term natural variations - that is, weather - with long-term shifts in the climate that are driven by human activity.

NOAA and NASA scientists say that in regards to global temperatures, the foot is on the accelerator.

"2018 is yet again an extremely warm year on top of a long-term global warming trend", said Goddard Institute director Gavin Schmidt. "That's a clear upward signal".

Weather dynamics often affect regional temperatures, so not every region experienced the same degree of warming.

Last year was also the third wettest on record in the U.S. Nine eastern states had their wettest years on record, "an exclamation point on a trend of big rain" in the age of climate change, Arndt said.

The National Oceanic and Atmospheric Administration said the average temperature for the contiguous U.S.in 2018 was 53.5 degrees Fahrenheit, making it a warmer-than-average year for the 22nd year in a row. Scientists have linked climate change to more destructive hurricanes like Michael and Florence a year ago, and have found links to such phenomena as the polar vortex, which last week delivered bone-chilling blasts to the American Midwest and Northeast.

Berkley Earth and Europe's Copernicus Climate Change Service both also reported, in January, that 2018 was the fourth warmest on record.

"People place way too much emphasis on a single year, usually to re-enforce a story, or a narrative, they have in their mind, already", he said.

It appears highly likely, at least from today's perspective, that that line will be crossed, despite the fact that more than 190 countries have signed the Paris climate agreement, which sets targets for reducing greenhouse gas emissions. NOAA's analysis found 2018 global temperatures were 1.42 degrees Fahrenheit (0.79 degrees Celsius) above the 20th century average.

"Despite the recent cold snap across the Midwest and East Coast, the planet is still heating up, and the warming is unprecedented".

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