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Isaias leaves millions in the dark in Mid-Atlantic and Northeast after roaring up East Coast

Hurricane Isaias charged toward the Carolinas and the rest of the Eastern Seaboard on Aug. 3, unleashing strong winds and heavy rain. (Video: The Washington Post)

After crashing ashore near the South Carolina-North Carolina border as a Category 1 hurricane Monday night, the deadly storm roared up the coast, unleashing damaging winds, flooding rains and destructive tornadoes while inundating some coastal areas.

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As of Tuesday evening, the storm’s winds had cut power to more than 3.5 million customers from North Carolina to the Northeast. Some of the outages could last days. New Jersey, New York, and Connecticut were particularly hard hit. The more than 500,000 outages in Connecticut ranked as third most on record.

The storm unleashed 90-mph wind gusts in the Carolinas, while causing historic storm surge inundation in Myrtle Beach. A tornado in North Carolina killed two people in Bertie County, and the storm spawned numerous twisters in the Mid-Atlantic and the Northeast.

From the Delmarva Peninsula into southern New England, winds gusts topped 60 mph along the coast, and even 70 mph around the New York City area, where there was widespread tree damage. Boston gusted to 60 mph.

Widespread rainfall of three to six inches caused areas of flooding all along the storm’s path. In eastern Pennsylvania, Allentown had its sixth wettest day on record with nearly five inches of rain. Several waterways neared or surpassed record levels.

Isaias tracking map

The storm is forecast to exit the Northeast on Tuesday night, entering Canada. Through Tuesday evening, heavy rainfall is expected in the interior northeast, from eastern New York into Vermont, where more flooding is likely. In eastern New England, strong to damaging winds also remain possible through the evening hours.

Tropical-storm warnings remain in effect from Rhode Island to Maine.