RECORD low temperatures are sweeping across the Northeast and upper Midwest.
The National Weather Service has warned of “dangerously cold wind chills” that could cause frostbite within 10 minutes.
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What is an Arctic Blast?
An Arctic Blast has other names that might be more familiar such as polar vortex or a blue norther.
The International Business Times defines an Arctic Blast/polar vortex as the following.
“a low-pressure area that typically forms around the North and South Poles that strengthens and weakens year over year.
“A strong vortex is typically a well-defined cold front that is contained and bordered around the arctic regions,” the article reads.
When the weather changes drastically and temperatures drop suddenly it can result in an Arctic Blast.
AccuWeather defines this as a “strong cold front marked by a sudden and drastic decrease in temperature.”
Where do Arctic Blasts happen?
These winter weather blasts occur where winter storms are likely to happen.
Places like the upper Midwest and…
