As millions of Americans hunker down for the winter storm, 19 states and Washington, D.C., have declared states of emergency.
That uncertainty is not unusual at this early stage. Forecasters rely on a blend of weather models — computer simulations ...
A weekend East Coast storm could bring significant snow, strong winds and coastal flooding from the Carolinas to New England.
Half the U.S. population will likely see some effect from the sprawling storm that will move across the country this weekend, meteorologists said.