The National Weather Service has issued flash flood warnings for areas in green on this map. Cape Cod and Nantucket were issued tropical storm warnings (seen in dark red).
The National Weather Service has issued flash flood warnings for areas in green on this map. Cape Cod and Nantucket were issued tropical storm warnings (seen in dark red).
National Weather Service

The National Weather Service has placed most of southern New England under one of several advisories as Hurricane Arthur continues to creep up the Atlantic coast. The service issued a flash flood warning for most counties in southern New England. In Boston, the warning expires at 2 a.m. Saturday morning.

Cape Cod and Nantucket, meanwhile, were issued a tropical storm warning, and a small craft advisory was issued for most coastal waters. The NWS also issued a hurricane warning for waters off the Cape and further out to sea.

Boston.com’s David Epstein said the effects of the storm would be like a moderate nor’easter, especially toward the Cape. He expects the worst of it will be over by early Saturday morning:

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This whole system rapidly moves east and north of the region by early Saturday. At sunrise just after 5AM there might be some clouds left, but by 7AM or 8AM the sun will be bright and the air will feel a lot drier. Dew points are going to drop by 20 degrees by mid-morning tomorrow, this mean you will no longer feel the moisture in the air.