places like washington, d.c. could get up to a foot of snow. they're stocking up. and this storm is dumping what's called heart attack snow. it sends some 700 people to emergency rooms every year. it's heavier and weighs twice as much as that lighter, fluffier stuff. just one of the many problems this storm is dumping on several states. >> when the storm hits the northeast, virginia and massachusetts can expect a foot of snow and the coastal areas will get powerful wind gusts. >> these are live pictures over the white house. d.c. can expect the worst storm in years. take a look right now, it is starting to fall. we get the latest from meteorologist jim dicky from accuweather. good morning, jim. >> good morning, john and diana. snow ending in chicago but just beginning here across northern pennsylvania, southern pennsylvania. heavy through these morning hours in pittsburgh and heavy through the day in the d.c. area.