2019 was Earth’s 2nd-hottest year on record

earthsky.org | 1/16/2020 | Eleanor Imster
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Earth’s long-term warming trend can be seen in this visualization of NASA’s global temperature record, which shows how the planet’s temperatures are changing over time, compared to a baseline average from 1951 to 1980. The record is shown as a running 5-year average.

According to independent analyses released yesterday (January 15, 2020) by both NASA and NOAA, Earth’s global surface temperatures in 2019 were the second warmest since modern record-keeping began in 1880.

Temperatures - Planet - Trend - World - Years

Globally, 2019 temperatures were second only to those of 2016 and continued the planet’s long-term warming trend. The world’s five warmest years have all occurred since 2015, with nine of the 10 warmest years occurring since 2005, according to scientists from NOAA’s National Centers for Environmental Information (NCEI). The World Meteorological Organization also ranked 2019 second warmest for the globe, and scientists from the United Kingdom Met Office determined that 2019 was one of the top-three hottest years on record.

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Animation - Temperatures - Average - January - December

This animation shows monthly global temperatures compared to the 1981-2010 average for January through December 2019. The last slide shows the departure from average for the entire year. Image via NOAA NCE/ NOAA.

This past year, global temperatures were 1.8 degrees Fahrenheit (.98 degrees C) warmer than the 1951 to 1980 mean, according to scientists at NASA’s Goddard Institute for Space Studies (GISS) in New York. GISS Director Gavin Schmidt said in a statement:

Decade - Decade - Record - Decade - Before

The decade that just ended is clearly the warmest decade on record. Every decade since the 1960s clearly has been warmer than the one before.

According to reports by both agencies, the average global surface temperature has risen since the 1880s, and the average temperature is now more than 2 degrees Fahrenheit (a bit more than 1 degree C) above that of the late...
(Excerpt) Read more at: earthsky.org
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