This visualization by NASA illustrates Earth’s long-term warming trend, showing temperature changes from 1880 to 2015 as a rolling five-year average. Orange colors represent temperatures that are warmer than the 1951-80 baseline average, and blues represent temperatures cooler than the baseline.
Earth just had its 2nd-warmest October on record, according to NOAA data released Tuesday. NASA reported the same finding last week. The finding extends the planet's hot streak to 406 straight months with temperatures above the 20th century average. Meanwhile, the last colder-than-average month occurred in February 1985. This means that no one under the age of 32 has ever experienced a cooler-than-average month on this planet.
Global average surface temperature anomalies in Oct. 2018 compared to 1951-1980 average. Bright red colors depict 8.4°C above average, whereas purple shows 4.1°C below average. While monthly rankings are often determined by a fraction of a degree, it's the long-term trends that climate scientists pay more attention to when assessing our changing climate. According to NOAA, October 2018 came in just behind October 2015 in terms of the global average surface temperature anomalies.
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Notably, the Report Found:
The 10 warmest October global land and ocean surface temperatures have all occurred after 2003
The last five years (2014-2018) have been the five warmest Octobers on record
Record warm temperatures during the month were seen across parts of the Atlantic and Indian oceans, Alaska, the Bering and Barents seas, central and eastern Russia, northern Australia, and central Africa
Not a single land or ocean region had a record cold October
Central and Eastern Russia as well as Alaska saw average monthly temperatures that exceeded 5.0°C, or 9.0°F, above average, which is an unusually high departure from the norm
Cooler regions were seen across Canada, parts of the Lower 48 states, and in Central China
Global ocean temperatures were also at the second-highest levels on record for October, which in part reflects a gathering El Niño event in the tropical Pacific Ocean
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It's likely that 2018 will be a top five warmest year on record, given its year-to-date ranking as the fourth-warmest on record. The five warmest January-October periods on Earth have come in the past five years, NOAA reported.