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Tropical rainstorm to bring heavy rain, flash flooding to parts of East Coast



AccuWeather’s hurricane experts are warning businesses to prepare for a tropical rainstorm that could cause disruptions to operations in the the East Coast this weekend.

Key Highlights

Threats:Heavy rain, thunderstorms, flash flooding, urban flooding, damaging winds, travel disruptions, power outages

Areas affected: East Coast

When: Friday, Sept. 22 - Monday, Sept. 25

AccuWeather’s hurricane experts warn businesses of a tropical rainstorm will bring heavy rain and damaging winds along the Eastern Seaboard this weekend. AccuWeather’s expert meteorologists say there is a good chance that a tropical rainstorm will strengthen into a subtropical or a tropical depression on Friday or Saturday. AccuWeather For Business customers using AccuWeather's Hurricane Warning Service will receive exclusive updates this system develops. Businesses should prepare for significant disruptions in operations and potential supply chain issues. 

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Businesses along the North Carolina coast, mid-Atlantic and into New England should expect heavy rain. Up to 4 inches of rain could fall over a large area from Massachusetts to North Carolina. Heavier amounts of rain of up to 8 inches could fall from eastern North Carolina north through Delmarva. There is an AccuWeather Local StormMax™ of 12 inches. The heavy rainfall could cause flash and urban flooding.


Damaging winds are also expected with this system. Areas in the path of this storm could see wind gusts up to 60 mph with an  AccuWeather Local StormMax™ of 75 mph. The strong winds will also bring a risk of power outages near the coast from the Carolinas to southern New England.


Businesses in the path of this storm should closely monitor AccuWeather for updates and should: 

  • Coordinate your preparedness activities with vendors, supply chain members, and local partners
  • Perform a vulnerability assessment of all equipment, processes, and operations
  • Talk with your insurance providers to ensure that you have the necessary types of coverage
  • Create a company-wide playbook for tropical systems that address operational vulnerabilities

Superior Accuracy™: Better informed, Better protected, Better prepared.

Be proactive with AccuWeather’s Hurricane Warning Service backed by Superior Accuracy™, which will deliver site-specific alerts and warnings well before severe weather hits, giving you more time to prepare. Plus, get access to a team of expert severe weather meteorologists watching out for your business 24 hours a day, 365 days a year. Demo SkyGuard today. 

AccuWeather For Business can help companies and communities better prepare for hurricanes and keep their employees and customers safer.

Want to learn more about how AccuWeather’s Hurricane Warning Service can help your business or community better prepare for tropical threats? Contact one of our experts today.

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AccuWeather's hurricane tracking is 3% more accurate than the National Hurricane Center and 13% more accurate on the intensity of the hurricane winds along the path. For example, AccuWeather was the only source to forecast a 16- to 20-foot storm surge ahead of the disaster in Fort Myers from Hurricane Ian that killed over 100 people. Our competitors predicted 12-16 feet, leaving many businesses in the path of that dangerous storm surge. Also, the forecasts from AccuWeather Hurricane Experts are often initiated well before the National Hurricane Center and any other source, updated more frequently and have 14 unique layers describing impacts such as rainfall, wind gusts and the risk to lives and property that are exclusively made available by AccuWeather.

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