Oman

As polar vortex lingers, parts of U.S. set for record lows

The city skyline is seen from the North Avenue Beach at Lake Michigan as bitter cold phenomenon called the polar vortex has descended on much of the central and eastern United States
 
The city skyline is seen from the North Avenue Beach at Lake Michigan as bitter cold phenomenon called the polar vortex has descended on much of the central and eastern United States

Parts of the United States below zero on Wednesday, forecasters said. Reuters