The "Polar Vortex" of 2014
Chicago
hit a record low of -16 degree Fahrenheit as a polar air
mass called a "Polar Vortex" brought the coldest temperatures in about two decades into the
city.
Polar Vortex
Polar Vortex
Platforms were crowded and trains were delayed because doors
on the trains kept freezing open. Chicago experienced its third
consecutive day of below zero temperatures.
Polar Vortex
Sundogs, a ring of light visible around the sun or moon
when light is refracted through ice crystals in the atmosphere, are
quite beautiful along Highway 83 north of Bismark.
Polar Vortex
Polar Vortex
Polar Vortex
Polar Vortex
Polar Vortex
Wind-whipped, fluffy snow continued to fall across the state, buffeted by wind gusts at around 40 miles per hour. National Weather Service reported Friday morning that the temperature in Boston was 2 degrees, but 20-below when the wind chill is factored in.