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Coastal N.C. under tropical storm warning

Posted July 18, 2008
Updated July 19, 2008

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— Eleven eastern North Carolina counties have been placed under a tropical storm warning after the Atlantic's newest tropical depression brought rains to central portions of the state Friday evening.

Tropical Depression Three is predicted to spawn more storms and rains, particularly in eastern North Carolina, as it tracks up the coast from Georgia this weekend.

A band of heavy rain formed over Johnston County around 4:30 p.m. Friday and moved north and west into Wake, Chatham, Durham, Franklin Halifax, Lee and Moore counties.

"Way out ahead of this (tropical) system, we’ve got some bands which are producing locally heavy rains, and they’re moving across our area right now," WRAL Chief Meteorologist Greg Fishel said on Friday evening.

Shortly after 11 p.m., 0.60 inches of rain had fallen in Raleigh, and 1.11 inches in Louisburg. Fayetteville got 0.23 inches, while Erwin, Clinton, Rocky Mount and Chapel Hill all recieved under one-tenth of an inch.

The rain prompted a flood advisory for Wake, which expired at 7:15 p.m. A flood advisory cautions that minor flooding could occur along small streams, roadways and in urban areas with poor drainage.

The system is predicted to move north along South Carolina's coast throughout the day Saturday and cross into North Carolina in the evening. It will likely follow North Carolina's coast throughout Sunday before moving off into the Atlantic in the evening.

"All the models are in agreement that this system is going to track right along the coast, maybe just offshore, as it heads on off to the north and east," Fishel said.

The National Weather Service declared the system a tropical depression at 11 p.m. Friday. It had sustained winds of 30 mph and gusts up to 40 mph, and was located at 31.9 degrees north latitude and 79.6 degrees west longitude.

To be classified as a tropical system, a storm must have its warmest air in its central core. That warmer spurs the formation of rain that's heavier and more intense than those generated by regular coastal storms, such as nor'easters. High winds, though, tend to be more widely spread in coastal storms than in tropical systems.

How much the storm intensifies depends on whether it stays over the warmer waters of the Gulf Stream or tracks more inland.

Its exact track will also greatly affect which areas receive rainfall, Fishel said.

"That would give the heaviest rains to the coastal areas this weekend and also the greatest wind," Fishel said. "And then back in our part of the state, we’d be back on the western fringe, picking up much less in the way of rain."

Off Topsail Beach, the disturbance caused what appeared to be a waterspout around 10:30 a.m. Friday.

Are you prepared for Hurricane Season? Watch the "Storm Track 2008" special airing at 7 p.m. July 31 on WRAL.


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  • sbunc92 Jul 18, 2008

    Do you not know what a flash flood is? Being in a drought does not affect the possibilty of having a flash flood, they happen in deserts all over the world. And a drought is more than whether or not lakes and reservoirs are filled.

  • bs101fly Jul 18, 2008

    doubt it will affect the triangle.
    never does!

  • NCPictures Jul 18, 2008

    Wait... I thought we were in a drought. WRAL said so last week.

    So we are having a flood advisory during a drought. Who woulda thought.......