--- title: How Does Climate Change Impact Nor'easters? description: A Nor'easter headed for the East Coast this weekend could bring heavy rain, winds and flooding. Climate experts explain how these types of storms are becoming more intense. canonical: https://time.com/article/2026/09/25/climate-change-nor-easters/ author: Simmone Shah article:opinion: false article:content_tier: free article:published_time: 2026-09-25T19:32:05.170Z article:modified_time: 2026-09-25T19:32:05.366Z article:section: Climate og:title: How Does Climate Change Impact Nor'easters? og:description: A Nor'easter headed for the East Coast this weekend could bring heavy rain, winds and flooding. og:url: https://time.com/article/2026/09/25/climate-change-nor-easters/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2c3381522204398e/6ab6c8dae8ddf865d1377885/nor-easter.jpg?branch=production&width=1024&quality=75&auto=webp&crop=16:9 og:image:width: 1024 og:image:height: 576 og:image:alt: nor-easter.jpg og:type: article twitter:card: summary_large_image twitter:title: How Does Climate Change Impact Nor'easters? twitter:description: A Nor'easter headed for the East Coast this weekend could bring heavy rain, winds and flooding. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2c3381522204398e/6ab6c8dae8ddf865d1377885/nor-easter.jpg?branch=production&width=1024&quality=75&auto=webp&crop=16:9 ---  # How Does Climate Change Impact Nor'easters? > Sponsored content. 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Future Proof is free at time.com/newsletters. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-futureproof-2026q3/newsletters?i=a50b5aaf-c5e7-4082-95f9-cd795ef1f54d&cr=time-nl-futureproof-2026q3-v1)  by [Simmone Shah](https://time.com/author/simmone-shah/)  ## Simmone Shah Reporter Sep 25, 2026 7:32 PM UTC  People prepare their boats for an upcoming nor'easter at Duxbury Harbor in Duxbury, MA on September 23, 2026. People prepare their boats for an upcoming nor'easter at Duxbury Harbor in Duxbury, MA on September 23, 2026. David L. Ryan—Getty Images  by [Simmone Shah](https://time.com/author/simmone-shah/)  ## Simmone Shah Reporter Sep 25, 2026 7:32 PM UTC A nor'easter is strengthening along the East Coast—threatening to bring heavy rain, flooding, and strong wind gusts to millions of people. Coastal [flooding ](https://time.com/article/2026/06/23/rising-seas-scranton-north-carolina-photography/)has already [affected](https://weather.com/2026/09/23/forecast/regional/noreaster-forecast-coastal-flooding-rain-wind-boston-mid-atlantic) portions of Virginia and North Carolina, and wind gusts of up to 50 mph are expected in some areas. The [storm](https://time.com/7289719/hundred-year-weather-events-happen-more-often/) could stall near the coast between New Jersey and Long Island, prolonging strong winds, rain, and coastal flooding in the area—leaving northern New Jersey, New York City, Long Island, and southern New England facing some of the storm's strongest winds, heaviest rain, and coastal flooding. Rain is expected to start as early as Friday evening and could continue throughout the weekend. “This nor'easter is shaping up to be impactful in part because it will be slow moving, potentially building up a large storm surge,” says Michael Mann, professor of [climate](https://time.com/section/climate/) science and climate change at the University of Pennsylvania. ## What is a nor'easter? Named for the winds that blow in from the northeast, the storms typically impact the east coast of the U.S. and Canada, and bring either rain or snow. They can come at any time of the year but are most common between September and April. “A nor’easter, like a hurricane, derives some of its energy from the heat of the ocean,” says Mann. However, unlike hurricanes, nor’easters tend to have cold cores, and can linger over an area longer than a hurricane might. Nor’easters have been responsible for billions of dollars in damage in the U.S. Memorable nor’easter [storms](https://www.weather.gov/safety/winter-noreaster) include the New England Blizzard of February 1978, the March 1993 “Superstorm” and the recent Boston snowstorms of January and February 2015\. ## How are nor'easters changing due to climate change? Scientists are still not 100% clear about how nor’easters are changing due to climate change. “There are things we can say with confidence about changes in nor'easters and other areas that we're still coming to an understanding about,” says Mathew Barlow, professor of climate science at the University of Massachusetts Lowell. If there’s one thing that’s clear, it’s that the more intense nor’easters are becoming more extreme—bringing with them more rainfall and stronger winds. That can lead to more storm surges, coastal flooding, and wind damage. “Human-caused warming is leading to higher precipitation totals with these storms,” says Mann. And it’s something that’s becoming increasingly common with extreme weather generally. As human-caused climate change warms our atmosphere, it allows it to hold more moisture—and release more precipitation when it rains. “Not every storm is becoming more intense, but the intense storms are becoming more intense—whether that be a thunderstorm, a hurricane, one of these nor'easters,” Barlow says. One thing that doesn’t seem to be changing is the number of storms, Barlow adds. “We're not seeing any changes in the overall average, and the total number of storms might actually be going down a little bit,” he notes. In an ever warming world, storms are only going to continue to intensify. Climate change is increasing the number of “billion dollar disasters,” disasters that top at least $1 billion in damage, that take place in the U.S. each year. The average length of time between billion-dollar disasters has [fallen](https://time.com/7344568/2025-billion-dollar-climate-disasters/)—from 82 days during the 1980s to 16 days during the last 10 years. In 2025, the U.S. experienced a billion-dollar weather or climate disaster once every 10 days. “Until we stop increasing the amount of greenhouse gasses in the atmosphere, the intensity of rainfall, the intensity of these storms, will continue to increase as well,” says Barlow. “Until we stop making things worse, things are going to keep getting worse.” ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/article/2026/09/25/climate-change-nor-easters/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/article/2026/09/25/climate-change-nor-easters/"},"headline":"How Does Climate Change Impact Nor'easters?","datePublished":"2026-09-25T19:32:05.170Z","dateModified":"2026-09-25T19:32:05.366Z","description":"The intense storms are becoming more intense.","url":"https://time.com/article/2026/09/25/climate-change-nor-easters/","keywords":["extreme weather"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt2c3381522204398e/6ab6c8dae8ddf865d1377885/nor-easter.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Simmone Shah","jobTitle":"Reporter","url":"https://time.com/author/simmone-shah/"}],"articleSection":"Climate","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt2c3381522204398e/6ab6c8dae8ddf865d1377885/nor-easter.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"nor-easter.jpg","caption":"","creditText":"David L. 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