Local weather change: Arctic Circle temperatures reached highest ranges ever recorded final 12 months, report finds | Local weather Information

Temperatures inside the Arctic Circle reached the best stage ever recorded final 12 months, in accordance with an annual local weather report by the US Nationwide Oceanic and Atmospheric Administration.

A temperature of 38C (100.4F) was noticed within the Russian city of Verkhoyansk in June 2020.

The NOAA report discovered the annual imply temperature over land areas within the Arctic was 2.1C (35.8F) above the 1981 common – making it the best temperature recorded in 121 years.

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UN local weather report: A have a look at the human exercise

The Met Workplace’s Dr Robert Dunn, who was the lead editor for the worldwide local weather chapter of the report, mentioned: “This report provides to all the opposite proof that human-induced local weather change is affecting each a part of the globe, however not all areas are experiencing the change on the identical fee.

“The Arctic is constant to heat at a sooner tempo than decrease latitudes, however Europe’s annual common temperature can be growing fairly quickly, with the 5 highest annual temperatures all occurring from 2014.”

The thirty first annual State of the Local weather report additionally confirmed 2020 was among the many three warmest years in recorded historical past, with Europe specifically 1.9C (35.4F) above the long-term common of 1981-2010. This 12 months has seen the continent’s second-hottest July ever.

The UK reached its third-highest annual common temperature in 2020, after 2014 and 2006, whereas this summer time is heading in the right direction to be one of many hottest on document.

The report warned that regardless of a 6 to 7% fall in carbon dioxide emissions on account of COVID lockdowns, carbon dioxide emission ranges reached their highest concentrations on the planet’s floor in at the very least the final 800,000 years.

“It is a stark reminder that components resulting in a altering local weather are decided by time horizons far longer than a single 12 months and have an inertia that may take a big effort over a for much longer interval to halt, a lot much less reverse,” the authors mentioned.

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It mentioned the year-on-year improve in international carbon dioxide ranges of the final half a century have tripled, inflicting above-average temperatures around the globe.

The tumultuous 12 months of 2020 additionally skilled the best international sea ranges, the best common ocean warmth content material, and probably the most tropical cyclones ever recorded, the report mentioned.

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The US report follows the European State of the Local weather report, revealed in April, which discovered 2020 was the warmest 12 months on document in Europe.

Concentrations of carbon dioxide and methane rose by 0.6 and almost 0.8% respectively – their highest annual ranges since at the very least 2003, when satellite tv for pc observations began.

The report discovered that not solely was 2020 one of many three warmest years on document, however the final six years had been the warmest six on document.

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