A broad area of low pressure is expected to form over the western Caribbean Sea or Central America late this week or this weekend. Some gradual development of this system is possible thereafter while it moves slowly northwestward. Formation chance through 5 days…low…20 percent.
If a tropical storm forms, it will be named Tropical Storm Bret, the second topical storm in the 2017 Atlantic Ocean region.
This first named storm of the 2017 Atlantic hurricane season was Tropical Storm Arlene. Arlene became Subtropical Depression One on April 19. The next day, it became Tropical Depression One. TD One was designated Tropical Storm Arlene late in the afternoon of April 20.