What is an arctic blast?

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. 2 An Arctic Blast will bring extremely cold temperatures Credit: Accuweather 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… Read Full Article