By Alex Sosnowski, Expert Senior Meteorologist
July 2,2014; 9:27PM,EDT
Arthur is forecast by AccuWeather to continue to strengthen and become a hurricane at midweek as it takes a northerly, then northeasterly path along the Atlantic coast of the United States.
During Thursday night into the morning hours of the Fourth of July, the center of Arthur will pass over or just east of North Carolina.
Later Friday, the center of Arthur is forecast to steer east of the mid-Atlantic.
During Saturday, Arthur may pass just to the southeast of Cape Cod, Massachusetts.
AccuWeather Senior Meteorologist Bernie Rayno discusses in the video below the track, intensity and impacts of Arthur that are pivotal for interests along the coast.
Hyde County, North Carolina, officials issued a voluntary evacuation order for Ocracoke Island, effective on Wednesday.
Coastal flooding is likely in eastern North Carolina, where there is also a risk of power outages and property damage.
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Less severe weather conditions are in store for the balance of the southeastern coastline of the U.S. during the next couple of days. However, a few locally gusty showers and thunderstorms are likely.
"The main impact will be northward-expanding rough surf with strong rip currents from the Florida east coast to New Jersey, Long Island and southeastern New England," Kottlowski said.
Coastal flooding is possible at times of high tide from southeastern Virginia to Cape Cod, Massachusetts. Along with the coastal flooding and building waves will be the minor beach erosion.
"There is a chance Arthur becomes a Category 2 hurricane before cool waters off the northeast coast of the U.S. cause the system to lose tropical characteristics," Kottlowski said.
Arthur is forecast to pass near or over Nova Scotia this weekend while or shortly after transitioning to a non-tropical system.
A zone of heavy rain and thunderstorms will develop well north and west of the direct impact of Arthur. This area is likely to reach along the I-95 corridor of the mid-Atlantic and southern New England and include the beaches.
According to Severe Weather Expert Henry Margusity, "An approaching cool front will interact with tropical moisture in place and could bring flash flooding, gusty thunderstorms and travel delays Thursday into part of the Fourth of July from Washington, D.C., to New York City and Boston."
Dry air will progress from west to east across the area Friday afternoon but will not reach southeastern New England and eastern Long Island until late Friday night.
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