cold weather, Polar Vortex

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...
The polar vortex -itself- is nothing new. It doesn't *hit* you. Rather, pieces of it can break off and send colder air into parts of the United States. Think of the atmosphere like a cake - it ...
the polar vortex can sometimes get out of balance. When it wobbles or weakens, chunks of that super cold air can spill out and slide south, making places like the United States suddenly feel ...