Tropical Storm Oscar has caused disruptions in two electrical microgrids across the province of Holguín, as reported by local authorities. The

Oscar, which the National Hurricane Center characterized as "very small," is the 15th named storm of the hurricane season.

Tropical Storm Oscar is making it harder to restore power in Cuba after a massive, prolonged power outage that preceded the storm. Oscar is hitting a key region for power generation where at least two important power plants in the city of Holguín Santiago de Cuba are located.

Cubans in the eastern provinces of Holguín and Guantánamo braced for a direct hit by Hurricane Oscar on Sunday afternoon. As the Category 1 hurricane made landfall near Baracoa, a coastal in city in Guantánamo province, around 5:50 p.m., most of the country still had no power.

We haven’t had electricity for three nights,” said one Cuban protestor, amid widespread blackouts. Authorities said the outage stemmed from increased demand but residents say this is just the latest issue in a series of problems with electricity.

Hurricane Oscar made landfall on Great Inagua Island in the Bahamas and is forecast to strike in eastern Cuba on Sunday afternoon, the US National Hurricane Center said.

Tropical Storm Oscar is forecast to produce life-threatening flash flooding in portions of eastern Cuba, according to the National Hurricane Center.

Tropical Storm Oscar was moving across eastern Cuba after making landfall as a Category 1 hurricane on the island already beleaguered by a massive power outage