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Polar Jet Stream Wrecked By Climate Change Fuels Unprecedented Wildfires Over Canada and Siberia

July 17, 2014

robertscribbler

This year, the warm air invasion started early. A high amplitude ridge in the Jet Stream stretching for thousands of miles over the temperate Pacific and on up into Alaska and the Chukchi Sea slowly drifted eastward. Reinforced by a powerful bank of blocking high pressure systems over the northeastern Pacific, this ridge settled over Canada’s Northwest Territory in a zone from the Mackenzie Delta and over a broad region east and south. From mid June onward, temperatures in the 70s, 80s and even low 90s dominated sections of this Arctic region.

The heat built and built, drying the shallow soil zone over the thawing permafrost creating a tinder-dry bed layer waiting for the lightning strikes that were bound to follow in the abnormal Arctic heat.

By late June, major fire complexes had erupted over the region. Through early and mid July, these massive systems expanded even as the anomalous…

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