These maps show how winter has flipped upside down in the U.S.
After a record-breaking Gulf Coast storm, cities like New Orleans and Pensacola, Florida, have had more snow this winter than Omaha, Des Moines and New York.
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.
Where could it snow this weekend? See winter forecast for Midwest, Northeast, Rockies
Snow, rain and icy conditions will spread across the Midwest and Northeast thanks to a storm that drenched northern ...
The Washington Post15d
These maps show how winter has flipped upside down in the U.S.
The map below shows snowfall as a difference ... During winter, there are two primary plumes of this fast-flowing air: the northern, polar jet stream and the southern, subtropical jet stream.