Recent heat is by no means restricted to the Siberian Arctic. The confirmation came the same day a comprehensive new study was released suggesting that present-day global temperatures are the warmest they have been in at least 12,000 years, and possibly far longer. This has led to extensive efforts to study past climates in order to help put the current warming into context. Climate Change, 8, 1076-1081, https://doi.org/10.1038/s41558-018-0339-y. "The upcoming pattern looks particularly hostile for areas closer to the central Arctic Ocean. pic.twitter.com/29u87uJ88o, Zack Labe, a postdoc in the Department of Atmospheric Science at Colorado State University and an expert on Arctic climate, told CBS News that while he is concerned by the recent heat, he is more unnerved by its staying power. "In response to the recent heat wave, the extent of Arctic sea has dropped like a rock in the Laptev Sea and the entire Siberian coastline. “All indications from this new study are that temperatures and the impacts of recent warming are only picking up and getting stronger,” said Froese. Ice that has broken off from the Eqip Sermia Glacier, also called the Eqi Glacier, drifts past shore during unseasonably warm weather on August 1, 2019 at Eqip Sermia, Greenland, about 350 km north of the Arctic Circle. Geosci., 7, 181-184, https://doi.org/10.1038/ngeo2071. Details of the seasonal air temperature variations in 2018/19 are provided below. This was a time when permafrost was degrading rapidly,” said Froese. The Greenland coast, especially the west (including northwest) coast, had near-record high temperature maxima of 22-24°C in June-August. None of this comes as a surprise to climate scientists who have been sounding the alarms about the impacts of global warming for decades. Individual years from 1958-2019 are shown by the sequential blue/purple to yellow lines. The researchers examined permafrost and found that previous record highs occurred during the early Holocene—about 9,900 and 6,400 years ago. 2020 is indicated by the red line. The warm temperatures resulted from localized southerly winds (Fig. Observed annual mean Arctic temperatures over the past six years (2014-19) all exceed previous records. https://t.co/oXB4Lw2gXu. Tracking recent environmental changes relative to historical records, Conserving and managing our Arctic Ocean resources, Providing weather information to protect lives, property, and management, Observing the Arctic ocean and atmosphere to understand and forecast Arctic change, Providing environmental intelligence to understanding the complex Arctic system, Conserving and managing Arctic living marine resources and their habitats. This rare event was a repetition of the southerly winds and low sea ice coverage in 2018. Observed annual mean Arctic temperatures over the past six years (2014-19) all exceed previous records. These SAT divisions are chosen to coincide with the seasonal cycles of key Arctic variables. Unlike summers 2016, 2017, and 2018, summer 2019 returned to the warm conditions observed in much of the previous decade (Fig. 3Norwegian Meteorological Institute, Blindern, Oslo, Norway “We’ve known that the last few decades have been very warm, but we’ve found that temperatures are on the order of two degrees Celsius warmer than any time in the last 10,000 years—that was a surprise,” said U of A environmental scientist Duane Froese, who is Canada Research Chair in Northern Environmental Change and a co-author of the study. Geosci., 9, 277-281. Follow him on Twitter @WeatherProf. 2b) was observed in Alaska and adjacent seas, where monthly temperature anomalies were 4°C above normal. Stuecker, M. F., C. M. Bitz, K. C. Armour, C. Proistosescu, S. M. Kang, S. -P. Xie, D. Kim, S. McGregor, W. Zhang, S. Zhao, W. Cai, Y. Dong, and F. -F. Jin, 2018: Polar amplification dominated by local forcing and feedbacks. For the study released Tuesday, a team of scientists affiliated with an international paleoclimate collaboration called PAGES (Past Global Changes), analyzed data spanning thousands of years into the past. What happens if the president doesn't accept the election results? But that is no longer accurate. Since the mid-1990s the Arctic has warmed at more than twice the magnitude of global mean temperature increases; a phenomenon known as Arctic amplification (Fig. And in Norway, due to a stretch of unusual warmth well into the 80s, people are skiing on glaciers in bathing suits. Temperature anomalies in May 2020, expressed as standard deviations from the average 1981-2010 in the @CopernicusECMWF #ERA5 reanalysis. Notz, D., and J. Stroeve, 2016: Observed Arctic sea-ice loss directly follows anthropogenic CO2 emission.

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