the Polar Vortex Can Bring Arctic Blasts to the U.S

A “polar air mass” could last for days in the Charlotte area, mountains and Upstate South Carolina, National Weather Service meteorologists said on Friday. A “hard freeze” from a “polar ...
There are five main air masses which affect the UK as detailed by the map below. A polar continental air mass comes from eastern or north eastern Europe. It brings dry weather. As it comes ...