Tropical Disturbances Today

Disturbance 1. Southwestern Caribbean Sea: Disorganized showers and thunderstorms over the southwestern Caribbean Sea are associated with a broad area of low pressure. Gradual development of this system is expected, and a tropical depression is likely to form within the next few days while the system moves generally northward to northwestward over the central and western Caribbean Sea. Formation chance through 48 hours...medium...60 percent and formation chance through 7 days...high...80 percent.

Disturbance 2. Near the Greater Antilles: A large area of disorganized showers and thunderstorms, and gusty winds extending from near Puerto Rico and Hispaniola northeastward for a few hundred miles are associated with a trough of low pressure. Slow development of this system is possible during the next couple of days while it moves west-northwestward near the Greater Antilles. By early next week, this system is expected to be absorbed into the low pressure area over the Caribbean Sea. Formation chance through 48 hours...low...10 percent and formation chance through 7 days...low...10 percent.

Disturbance 3. Subtropical Storm Patty is no threat to our area. On the forecast track, the center of Patty is expected to move near or just south of the Azores tonight and Sunday. Gradual weakening is expected during the next few days. Patty is forecast to become a post-tropical low by Sunday night.