Tag Archives: atmospheric phenomena

Is there an Arctic ozone hole?

By Kristof Bognar PhD Candidate, U. of Toronto When scientists speak of the ‘ozone hole’, they usually mean the large region of low stratospheric ozone concentration that develops above Antarctica each Southern Hemisphere spring (August–October). These occur because conditions over … Continue reading

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Howling High Arctic Winds and Hard Rime

As a CANDAC CREATE intern, I’ve been lucky enough to spend part of my summer in beautiful Eureka, Nunavut working at PEARL as an Assistant Operator. Having never been north of the tree line, I was eagerly awaiting whatever uncommon … Continue reading

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The 2014 North American Cold Wave and the Polar Vortex

There has been a lot of interest in the polar vortex this winter.  News agencies around the world have used the phrase to explain the extreme cold weather that has affected Canada and the United States since January 2nd, 2014.  … Continue reading

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Temperature inversion in the Arctic

Under normal conditions, the temperature in the lowest layer of the atmosphere (the troposphere) decreases with height. The higher you go, the colder the temperature becomes. This is why there can be snow-capped mountains in warm climates. However, something quite … Continue reading

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