3. Nor'easter -

Nor'easters thrive on the extreme temperature contrast between two air masses.

Cold, dry arctic air from Canada pushes south and meets warm, moist air from the Gulf Stream over the Atlantic Ocean. 3. Nor'easter

A is a powerful macro-scale extratropical cyclone that tracks along the East Coast of North America. It is defined by its strong winds blowing from the northeast, which result from a low-pressure system moving northward along the coast. While they can occur year-round, these storms are most frequent and intense between September and April, often bringing heavy snow, torrential rain, and hurricane-force winds to the heavily populated I-95 corridor. Formation Mechanics often bringing heavy snow