Why Polar Vortexes Are Becoming More Common What do you think about this topic? Share your thoughts in the comments below — ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and frigid temperatures to parts of Canada. Meteorologists say temperatures ...

Arctic sea ice can also reflect sunlight back into the atmosphere. If the temperature between the equator and the North Pole ...

Orbe and L.M. Polvani: More Positive and Less Variable North Atlantic Oscillation at High CO2 ... Screen: The weakening of the stratospheric polar vortex and the subsequent surface impacts as ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather ...

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

The polar vortex will bring Arctic air directly from Siberia, giving approximately 300 million Americans a taste of the tundra. The cold blast will send at least 20 states from the Plains to the ...