nor’easter extratropical cyclone Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/northeaster-wind Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites How Stuff Works - Science - What Is A Nor'easter? Ask the Chatbot a Question Also known as: northeaster Written by Written by John P. Rafferty John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to... John P. Rafferty Fact-checked by Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Oct. 14, 2025 •Article History Table of Contents Table of Contents Ask the Chatbot nor’easter, extratropical cyclone in the western Atlantic Ocean that forms along the eastern coast of North America. The storm is named for the winds primarily blowing from the northeast that buffet the east coast of the United States from the Mid-Atlantic states and New England to Canada’s Maritime Provinces. Nor’easters tend to bring heavy precipitation that can result in flooding and significant snow accumulations. Although nor’easters can occur throughout the year, they tend to form...

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