Tropical Cyclone Delta was the twenty-sixth tropical cyclone and the ninth hurricane in the 2020 Atlantic Hurricane Season. On 5 October, it was upgraded from a tropical depression to a tropical storm while it was over the central Caribbean Sea, south of Jamaica. On 6 October, Tropical Storm Delta rapidly strengthened, becoming a category 4 hurricane at its closest proximity to the Cayman Islands (approximately 115 mi, 185 km, from Grand Cayman). Tropical-storm-force winds from extended over this country.