LIVE updates: Tropical Storm Isias spawns over 20 East Coast tornadoes with 4 deaths

NEW YORK, NY -- Tropical Storm Isaias is buffeting New York State and western New England with heavy rain and wind as it moves northeastward toward the Great Lakes, bringing the threat of tornadoes to southern and central New England.

In its path up the East Coast, the storm has battered New Jersey, New York, Virginia, Maryland and Pennsylvania with heavy rain, flooding, tornadoes and rough winds.

One person in Maryland, one in New York and two others in North Carolina have died as a result of the storm.

As of Tuesday evening, more than 3.3 million customers were without power across North Carolina, Virginia, Pennsylvania, Maryland, Delaware, New Jersey, New York, Connecticut, Massachusetts, New Hampshire, Vermont and Rhode Island.

At least 21 tornadoes were reported from North Carolina to New Jersey.