The National Hurricane Center is tracking Tropical Storm Dexter, Invest 96L and system off the southeastern coast of the United States.

Invest 96L is a tropical wave in the central Atlantic. It's moving toward the west-northwest. Special note about spaghetti models: Illustrations include an array of forecast tools and models, and not all are created equal. The hurricane center uses only the top four or five highest performing models to help make its forecasts.

The National Hurricane Center is monitoring two disturbances in the Atlantic. A third, Tropical Storm Dexter, the fourth named storm of the season, continues to move out to sea. Why it matters: August is usually when hurricane season ramps up,