Tropical Storm Tammy moving west across tropical Atlantic as group of islands on alert

Tropical Storm Tammy has formed in the central tropical Atlantic and is moving westward towards a group of islands. Tropical storm watches have been issued for Barbados, Dominica, and Martinique and Guadeloupe. Tammy is expected to bring heavy rains to the Windward and Leeward Islands, as well as the U.S. and British Virgin Islands and Puerto Rico. The storm could cause flash flooding, urban flooding, and mudslides in higher terrain.