Bomb Cyclone: Here Are 5 Things You Need to Know
Record low temperatures
Whether analysts warned that the worst of the "bomb cyclone" might be yet to come, with cities like New York bracing for a record-breaking low of -1 degree overnight on Saturday.
Sustained winds of 15 to 25 mph could make it feel as cold as -20.
"We are predicting a record low come Saturday night-Sunday morning," AccuWeather Senior Meteorologist Dave Dombek said.
"Two words that sum it up are: bitter cold."
Elsewhere, Boston broke a 100-year-old record, with temperatures not rising above -20F for seven days.
Chicago hit a new low for New Years's Day, dropping below -1F, with the wind chill taking the temperature down to -20F.