It’s warmer than normal in many parts of the North — and it’s going to stay that way for awhile & More Trending News
During the first week of January, Charles Auger was strolling in downtown Yellowknife carrying a baseball cap.
“It’s been so warm,” he stated. “Haven’t seen it like [this] in years.”
The common low in the metropolis this time of yr is –30 C, in accordance to Environment and Climate Change Canada. But as of Thursday, the thermostat hadn’t dropped beneath –17 C for per week.
Terri Lang, a meteorologist with the climate company, stated Yukon, the N.W.T. and western Arctic are all experiencing above-average temperatures as a result of of how a jet stream is positioned over Western Canada — and it’s projected to stay that way for the relaxation of the month.
The jet stream
In Canada, the polar jet stream is accountable for many of our climate patterns. It is a slim band of fast-moving air in the higher environment that will help direct our climate methods.
It additionally divides heat and chilly air — chilly air stays to the north and heat air to the south.
As Milli Vanilli would say, “you gotta blame it on something.” And in Canada, the trigger behind these main climate occasions is usually the jet stream, a fast-moving ribbon of air that circles the planet separating sizzling and chilly air lots. Meteorologist Christy Climenhaga has extra.
Though it typically travels from west to east, the jet stream can weaken and turn out to be kinked and wavy. Those waves can lead to colder- or warmer-than-normal climate, by permitting polar air to spill southward or heat air to push north.
Lang stated the jet stream is going up the coast of B.C., over the Yukon, and down via Nunavut. Because Yukon, the N.W.T., and Western Nunavut are all presently south of the jet stream — the climate is warmer than normal, she stated.
Meanwhile, an enormous polar vortex with actually chilly temperatures is rooted over the jap Arctic — the place the jet stream dips south once more.
What does this have to do with local weather change?
Warmer temperatures are half of the altering local weather. In the N.W.T., for instance, the imply annual temperature has gone up between 2 and 4 C since 1950.
But Lang stated you’ll be able to’t take a look at a brief spell of heat climate and draw a direct hyperlink.
“There’s evidence that OK, this could be part of [climate change], but … it has to be studied over that longer term to see if that you know, is this part of a trend or is it just part of the natural variation of climate itself.”
In the quick time period — preserve your greatest parka helpful.
Lang stated temperatures are anticipated to stay warmer-than-average in Yukon, the N.W.T. and western Nunavut for 4 weeks, however after that, she’s unsure what the jet stream will do.
“It’ll be interesting to see if it kind of holds,” she stated. “We still have to get through the month of February, which we know can be one of the coldest months.”
It’s warmer than normal in many parts of the North — and it’s going to stay that way for awhile
It’s warmer than normal in many parts of the North — and it’s going to stay that way for awhile
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It’s warmer than normal in many parts of the North — and it’s going to stay that way for awhile