Nor’easter

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Diagram map of the eastern United States and Atlantic Ocean showing the formation and development of a nor'easter. Blue arrows indicate cold, dry Arctic air moving south from Canada along the polar front jet stream, while red arrows show warm, moist air moving north from the Gulf of Mexico via the Gulf Stream. The map illustrates how these air masses interact off the U.S. East Coast, with labeled low-pressure systems developing along the coast and northeast winds affecting the region. Text boxes

Nor’easter: Media

extratropical cyclone

Images

nor'easter

nor'easter

Storm-driven waves crash ashore in Scituate, Massachusetts, during a nor'easter on...

© Matt Stone/MediaNews Group—Boston Herald/Getty Images

Diagram map of the eastern United States and Atlantic Ocean showing the formation and development of a nor'easter. Blue arrows indicate cold, dry Arctic air moving south from Canada along the polar front jet stream, while red arrows show warm, moist air moving north from the Gulf of Mexico via the Gulf Stream. The map illustrates how these air masses interact off the U.S. East Coast, with labeled low-pressure systems developing along the coast and northeast winds affecting the region. Text boxes

nor'easter formation and development

This type of extratropical cyclone forms in the western Atlantic Ocean. It produces...

Encyclopædia Britannica, Inc.

nor'easter

nor'easter

Satellite image of a nor'easter forming moving up the East Coast on January 4, 2017....

NOAA/CIRA