Earth's 5 warmest years on record have occurred since 2014

Axios | 2/6/2019 | Andrew Freedman
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By the numbers: For 2018, the average temperature across global land and ocean surfaces was 1.42°F (0.79°C) above the 20th century average, according to NOAA.

According to NASA's Goddard Institute for Space Studies (GISS), global temperatures in 2018 were 1.5°F (0.83°C) warmer than the 1951–1980 mean.

Analyses - UK - Met - Office - World

Analyses from the U.K. Met Office and the World Meteorological Organization also ranked 2018 among the top 4 warmest years on record.

Each group relies on similar surface temperature data but uses different methods and baselines to fill in gaps between observing stations.

NOAA - Land - Temperature - Rate - Decade

According to NOAA, the annual global land and ocean temperature has increased at an average rate of 0.13°F (0.07°C) per decade since 1880. However, this rate has more than doubled, to 0.31°F (0.17°C) per decade, since 1981.

The big picture: "The impacts of long-term global warming are already being felt — in coastal flooding, heat waves, intense precipitation and ecosystem change," Gavin Schmidt, director of NASA GISS, said in a press release.

Surface - Temperature - Schmidt - Majority - Climate

Since the 1880s, the average global surface temperature has risen about 2°F (1°C), which Schmidt — along with the vast majority of climate scientists — attributes largely to increased emissions of greenhouse gases due to human activities.

Increasing average temperatures are most pronounced in the Arctic, where temperatures have jumped at more than twice the rate of the rest of the globe, triggering sea ice and land-based glaciers to melt.

Record - Temperatures - Land - Surfaces - Europe

Record high annual temperatures over land surfaces were measured across much of Europe, New Zealand, and parts of the Middle East and Russia. No land areas were record cold for the year, NOAA found.

Details: NOAA also tallied up the list of billion-dollar weather disasters that affected the U.S. during 2018,...
(Excerpt) Read more at: Axios
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