1. Eastern and Central Tropical Atlantic (AL93): Updated: Recent satellite-wind data indicates that the system located a few hundred miles to the west-southwest of the Cabo Verde Islands has developed a well-defined circulation. In addition, showers and thunderstorms continue to show signs of organization, and if these trends continue, advisories will be issued on a tropical depression later this morning. The system is moving to the west-northwest at 10 to 15 mph and will be moving into the central Tropical Atlantic by the end of the week. * Formation chance through 48 hours...high...90 percent. * Formation chance through 7 days...high...90 percent.