Disturbance 1. Tropical Storm Omar developed from what was Tropical Depression 15. The system continues to move away from land masses. It is expected to weaken Thursday and become a remnant low by Thursday night.
Disturbance 2. Tropical Storm Nana developed from what was Tropical Depression 16. The system is no threat to the United States. However, it is forecast to become a hurricane as it approaches Honduras, Guatemala, Belize and the Yucatan Peninsula.
Disturbance 3. An area of low pressure located about midway between the Windward Islands and west Africa remain disorganized. Some development of this system is possible this week as it meanders over the eastern and central tropical Atlantic Ocean. Formation chance through 48 hours is at 20% and formation chance through 5 days is at 30%.
Disturbance 4. A tropical wave has emerged off the coast of Africa. The wave is expected to merge with a disturbance centered a couple of hundred miles southeast of the Cabo Verde Islands in the next day or so. Gradual development of this system is then possible, and a tropical depression could form by this weekend while it moves westward over the eastern and central tropical Atlantic Ocean. Formation chance through 48 hours is at 10% and formation chance through 5 days is at 60%.