"The system is surrounded by dry air, and that tends to limit development prospects", WRAL meteorologist Nate Johnson said. A system must attain top sustained winds of 39 miles per hour to become a tropical storm and 74 miles per hour to become a hurricane.
"As the models got better and as the data got more plentiful, the models became much more capable of forecasting formations of storms", he said.
The National Hurricane Center in Miami said the depression was moving west-northwest at 16 miles per hour with maximum sustained winds of 30 miles per hour.
Tropical Depression #4 has picked up some speed as it continues its trek to the northwest.
On the present forecast track, Tropical Depression Four will likely pass a safe distance to the north of the islands on Sunday.
Several Killed In Damascus Car Bombings Despite Authorities 'Foiling' Part Of Plot
The opposition monitoring group said the number of dead is likely to rise due to the number of critically injured. Three attackers had attempted to stage bombings using cars laden with explosives, Syrian authorities said.
A tropical depression has formed in the Atlantic Ocean.
Colorado State University now expects a total of 15 named storms and eight hurricanes in the Atlantic basin this year.
THE ALABAMA WEEKEND: For the weekend, no major change in the pattern and we are going to stick with the standard summer forecast.
The Atlantic hurricane season runs from June 1 through November 30. According to forecasters, a named storm forms in June once every other year.
The CSU forecast team says there is a 38% chance a major hurricane will make landfall along the Gulf of Mexico coast.