The remnants of Debby picked up the pace Friday, moving north and northeast from the Carolinas and still packing a punch with heavy rains, flash flooding, and the threat of tornadoes. The Mid-Atlantic states and parts of New York and New England will see significant rainfall that could cause dangerous flooding into the weekend, such as on parts of Interstate 95 near bigger cities, said Jon Porter, Accuweather's chief meteorologist. From eastern Virginia up to Vermont there may be an active stretch of tornadoes on Friday, he said.

"There will be multiple threats in Debby's final chapter, and it's a dangerous one," he said. In an update at 5am Eastern, the said Debby, now classified as a post-tropical cyclone, is "expected to produce an additional 1 to 3 inches of rainfall with locally higher amounts, across portions of the coastal Carolinas today, with areas of considerable flooding expected." From parts of northern Virginia to upstate New York, "2 to 4 inches of rainfall, with local amounts to 6 inches, are expected through Friday night," the hurricane center said.

"This will likely result in areas of considerable flash and urban flooding, as well as river flooding." In parts of northern New England, "1 to 3 inches of rain with locally higher amounts are expected through Friday night," per the NHC. The hurricane center said the "risk for a couple of tornadoes will extend from eastern North Carolina into Virginia and Maryland early this morning.

The threat for tornadoes will s.