Polar Vortex is back to forecasting, but you can’t be afraid of counterintuitive weather features.
What is a polar vortex?
Pole vortices are usually a wide area of low pressure and cold air that swirl around the Earth’s poles, especially the Arctic.
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In the early signs of coming winter weather, the horrifying pole walls are making the news again.
Meteorologist Judas Cohen said in an email to USA Today on October 1.
Vortexes are typically a huge, circular area of cold air in the atmosphere that spins above the Arctic (as the name suggests). It is the strongest in winter, and usually weakens or disappears in summer. Its location can determine which part of the United States will invade the Arctic air.
Misunderstood weather patterns
According to the Polar Vortex blog at Climate.gov, Polar Vortex is not a synonym for “cold snap.”
Perhaps counterintuitively, strong polar water actually continues to bottle the coldest weather near the Arctic.
The stronger the extreme waters, the milder the US winters make it difficult for the vortex to enter deeper into North America, weather.com meteorologist Jonathan Erdman said.
And when it’s weak, it means that cold air is likely to invade the United States.
Meanwhile, the phrase “Polar Vortex” has attracted national attention and is now often misused to describe short-term seizures in frigid weather, experts told USA Today earlier this year.
“Weather can occur regardless of what the stratosphere is doing,” said Isla Simpson, a scientist at the National Center for Atmospheric Research.
In any case, don’t be afraid of polar vortices. It’s not like a tornado or a hurricane. It’s not something you can look up at the sky one day. There is no strange spinning whirlwind of ice and snow from Canada.
Polar Vortex predictions: big changes are coming
At this point, “in the foreseeable future, the polar vortex is predicted to be weaker than normal,” Cohen said on October 1. Cohen is the director of seasonal predictions for atmospheric and environmental studies.
“It appears that there will be a polar vortex event that has grown in the second week of October (which was many times last winter, but in early October it has been much less affected).
Cohen explained that he should be able to feel the cool temperature around October 10th.
Polar Vortex is nothing new
According to Jeff Kiel, a senior scientist at the National Center for Atmospheric Research in Boulder, Colorado, the vortex “had been in some form for the past 4.5 billion years.”
In fact, the term “Polar Vortex” is believed to have first appeared in the 1853 issue of the magazine Littel’s lifetime, states the National Maritime and Atmospheric Administration.
And, although it has been understood by scientists for decades, it only entered the Lexicon, a popular synonym for miserable cold winter weather several years ago.
Contribution: Dinah Voyles Pulver, USA Today
