May Siberian Heatwave Like Nothing Seen Before; Fire Season Began In April; Peat Fires Didn't Go Out
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Freakishly warm air has billowed up from Siberia over the Arctic Ocean and parts of Greenland, and the heat will only intensify in the coming days. The warmth is helping to spread widespread wildfires and to kickstart ice melt season early, both ominous signs of what summer could hold.
The Arctic has been on one recently. Russia had its hottest winter ever recorded, driven largely by Siberian heat. That heat hasnt let up as the calendar turns to spring. In fact, its intensified and spread across the Arctic. Last month was the hottest April on record for the globe, driven by high Arctic temperatures that averaged an astounding 17 degrees Fahrenheit (9.4 degrees Celsius) above normal, according to NASA data. Now, a May heat wave has pushed things into overdrive. Martin Stendel, a climate scientist at the Danish Meteorological Institute, told the Washington Post that the mid-May warmth is quite extraordinary...there is no similar event so early in the season.
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Adding to the not-goodness are the massive wildfires raging in Siberia. The region has quietly been ablaze since last month, and flames have continued to spread across millions of acres. While most have burned below the Arctic Circleor 66.5 degrees Norththe warmth has allowed at least some flames to spread north of it. Satellite monitoring expert Pierre Markuse tweeted an image on Monday showing fires creeping across the tundra in the Republic of Sakha that makes up most of eastern Siberia. There are also signs that some zombie fires from last fire season have reignited after smoldering underground in peat-rich soil. Congrats if you had that on your climate crisis bingo card.
The Arctic is the fastest-warming region on the planet, and these types of heat waves have become a seasonal occurrence. But that shouldnt make them any less shocking or alarming, particularly since the changes happening there could actually cause the rest of the glove to warm up even more quickly. Melting sea ice exposes darker ocean waters that can absorb more heat, while fires cough up more carbon dioxide into the atmosphere, trapping yet more heat. The zombie fires are even more worrisome, since peat is extremely rich in carbon. The stubborn heat looks to be locked in until at least next week, so well get to see all these horrible feedbacks on display through at least then.
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https://earther.gizmodo.com/the-arctic-is-unraveling-as-a-massive-heat-wave-grips-t-1843519435