An area of low pressure moving up the Georgia coast is getting a close look today from the National Hurricane Center.Forecasters say the system, which was disorganized and rather weak the last few days, has strengthened considerably today. It could turn into a tropical depression as it moves slowly up the Carolinas coast. The system is not expected to spread much, if any, rainfall back into the Charlotte metro region.But the Carolinas coast could be facing a wet and windy weekend.Richard Knabb of the National Hurricane Center said late this morning that the system is becoming better organized."A tropical depression could form today or tomorrow," Knabb said, adding that an Air Force hurricane hunter plane is scheduled to fly into the system Saturday."All interests along the coasts of Georgia, South Carolina and North Carolina should the progress of this sytem," Knabb added.He said locally heavy rainfall is possible along the Carolinas coast for the next few days.It appears as if the system will affect the Grand Strand area Saturday, then move up the coast and skirt the Outer Banks of North Carolina on Sunday.A flash flood watch is posted for the Charleston and Savannah areas, with two to three inches of rain possible today.