1. A concentrated area of showers and thunderstorms located a few hundred miles southwest of the Cabo Verde Islands is associated with a tropical wave. Some gradual development of this system is possible over the next several days while it moves westward across the tropical Atlantic at 15 to 20 mph. * Formation chance through 48 hours...low...10 percent.
A tropical wave located a few hundred miles southwest of the Cabo Verde Islands continues to produce a concentrated area of of showers and thunderstorms just west of its axis. Some gradual development is possible over the next several days while the system moves westward across the tropical Atlantic at 15 to 20 mph. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...30 percent.