Polar vortex brings chilly temps to Maine
Portland was forecasted to be about 6 degrees below normal Sunday and Monday, according to the National Weather Service.
Maine Public2d
A polar vortex is set to grip much of the U.S. What does that mean?
People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...
Polar vortex keeps a huge swath of the US in its icy grip
A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from ...
Polar vortex keeps much of the U.S. in its icy grip
People in the U.S., Europe and Asia experience the polar vortex's intense cold when it escapes the North Pole and plunges ...
Chicago Tribune13d
Polar vortex keeps a swath of the US in its icy grip
The polar vortex of ultra-cold air usually spins around ... a weather service meteorologist based in Gray, Maine. The cold air was expected to grip the Eastern Seaboard as far south as Georgia ...