BOSTON (AP) -- A blustery winter storm that dropped nearly 2 feet of snow has led to at least nine deaths in the eastern half of the country.
Slick roads have caused traffic deaths in Michigan, Kentucky, Indiana and Illinois.
A massive pile of salt fell on a worker at a suburban Philadelphia storage facility, killing him.
And authorities say a woman with Alzheimer's disease froze to death after she wandered away from her rural western New York home.
The snowstorm worked its way east from the Midwest and merged with low pressure off the mid-Atlantic coast, forming a nor'easter.
It temporarily shut down major highways in New York and Pennsylvania and forced airlines to cancel thousands of flights.
The snowfall, frigid temps and stiff winds also extended the holiday break for some students.
A strong winter storm pounding the Northeast with stiff winds and punishing cold has dumped nearly 2 feet of snow in parts of Massachusetts.
The National Weather Service says 21 inches of snow has fallen in Boxford, just north of Boston. It says parts of upstate New York have 18 inches.
The brutal weather has extended Christmas break for some students while posing the first test for New York's new mayor and perhaps the last challenge for Boston's outgoing one.
Some schools in New England and New York closed well ahead of the Thursday snowfall. Cities have mobilized plows and salt spreaders. Some major highways have been ordered shut down overnight. Efforts are underway to get homeless people into the warmth and safety of shelters.
U.S. airlines have canceled more than 2,300 flights nationwide.