Temperatures have been warmer in northern Siberia lately than in Washington, part of what one expert called an 'astonishing' pattern.
January to April temperature departures from average, showing the most significant temperature anomalies across Russia, including Siberia. By Andrew Freedman and Andrew Freedman Editor focusing on extreme weather, climate change, science and the environment.
— Mika Rantanen May 21, 2020 The warmth in Siberia is already having repercussions on Arctic ecosystems, with unusually large Siberian wildfires already burning this year, snow cover plummeting unusually quickly and sea ice cover in areas such as the Kara Sea, which lies to the north of Central Siberia, at a record low for the date, having begun its seasonal melt more than a month earlier than is typical.
Labe noted that ice in the Kara Sea has reached a record low for the date, and ice cover is thinner than average along the entire coastline of northern Siberia. He said the warmth is likely conditioning the ice to melt further by melting snow cover lying on top of the sea ice. This year, 1.5 million acres have burned. Mark Parrington, a senior scientist at the European Center for Medium-Range Weather Forecasts in Reading, England, said via email that fire-related emissions around the Arctic Circle and Siberia’s Sakha Republic have not exceeded average data from 2003 through 2019.
The polar vortex is helping lead to record warmth Several factors conspired to produce such a mild winter in Siberia, and are still working to bring freak warmth now. Among them? The polar vortex spent much of the winter near or at record strength.When the polar vortex is strong, it forms a frigid upper-air doughnut of winds that doesn’t permit much Arctic chill to slip south to the mid-latitudes.
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