"Northern Canada has been gripped by an intense and prolonged cold spell, with temperatures hovering between -20C and -40C for weeks. On Tuesday, Braeburn in the Yukon recorded -55.7C, its coldest December temperature since 1975. Meanwhile, Mayo and Dawson endured 16 consecutive nights below -40C, with Mayo plunging to -50.4C on Monday. Whitehorse also recorded 10 nights when temperatures dropped below -30C."
"In stark contrast, parts of the US experienced their warmest Christmas Day on record as temperatures soared about 15-30C above the seasonal average. In many areas, conditions felt more typical of April or May than late December. Several states set Christmas Day temperature records. In Oklahoma, Oklahoma City hit 25C on Tuesday, surpassing the previous peak of 22C set in 1982. Cities including Austin and Dallas, in Texas, and Charlotte, North Carolina, were also among those that recorded temperatures above 25C."
"Officials have warned that the Yukon could face electricity outages in the coming days, as the territory's power grid comes under strain from record-high energy demand. The prolonged chill has been caused by the polar vortex remaining anchored over Canada for much of December, allowing bitter Arctic air to spill south. Next week, the cold air mass is expected to retreat north gradually, enabling milder Pacific air to move across the US and into parts of southern Canada."
Northern Canada experienced an intense, prolonged cold spell with temperatures between -20C and -40C for weeks. Braeburn in the Yukon recorded -55.7C, the coldest December temperature since 1975. Mayo and Dawson endured 16 consecutive nights below -40C, with Mayo hitting -50.4C. Whitehorse recorded ten nights below -30C. The cold pushed south over the festive period, bringing sub -28C overnight lows in Edmonton on Christmas and widespread lows around -20C on Boxing Day across many regions. Officials warned of potential electricity outages in the Yukon as record-high energy demand strained the power grid. The polar vortex anchored over Canada caused the chill, though the cold mass is expected to retreat north next week, allowing milder Pacific air to move across the US and parts of southern Canada.
Read at www.theguardian.com
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