The government of the Bahamas has issued a hurricane warning for the Turks and Caicos Islands and the southeastern Bahamas. The government of Cuba has issued a hurricane watch for the provinces of Guantanamo, Holguin and Las Tunas.

Tropical Storm Oscar formed on Saturday, the 15th named storm of this year’s Atlantic hurricane season and the second in less than a day. It’s expected to bring heavy rain to the Caribbean islands this weekend, including Cuba, which has been facing a nationwide electricity crisis.

The WXII 12 First Warning Weather Team is tracking two systems in the Atlantic as National Hurricane Center meteorologists name a new hurricane Saturday. The disturbance near the Greater Antilles became Hurricane Oscar and Tropical Storm Nadine is moving through Central America.