Verde. September 9 12:00 UTC (8:00 a.m. AST) at Tropical Storm Florence re-intensifies into a Category 1 hurricane about 755 miles (1,215 km) south-southeast of Bermuda. 18:00 UTC (2:00 p.m. AST) at Tropical Storm Helene intensifies into a Category 1 hurricane roughly 115 miles (185 km) south-southwest of Brava, Cabo Verde. September 10 00:00 UTC (8:00 p.m. AST September 9) at Tropical Storm Isaac intensifies into a Category 1 hurricane, attaining its peak intensity with winds of 75 mph (120 km/h) and a pressure of 995 mbar (hPa; 29.39 inHg), approximately 1,085 miles (1,745 km) west of Cabo Verde. 06:00 UTC (2:00 a.m. AST) at Hurricane Florence re-intensifies into a Category 2 hurricane about 650 miles (1,045 km) south-southeast of Bermuda. 12:00 UTC (8:00 a.m. AST) at Hurricane Florence re-intensifies into a Category 3 hurricane roughly 600 miles (965 km) south-southeast of Bermuda. 12:00 UTC (8:00 a.m. AST) at Hurricane Helene intensifies into a Category 2 hurricane approximately 395 miles (635 km) west of Praia, Cabo Verde. 18:00 UTC (2:00 p.m. AST) at – Hurricane Florence re-intensifies into a Category 4 hurricane about 550 miles (885 km) south-southeast of Bermuda. September 11 00:00 UTC (8:00 p.m. AST September 10) at Hurricane Helene attains peak winds of 110 mph (175 km/h) roughly 570 miles (915 km) west of Praia, Cabo Verde. 00:00 UTC (8:00 p.m. AST September 10) at Hurricane Isaac weakens to a tropical storm approximately 1,435 miles (2,310 km) west of Cabo Verde. 12:00 UTC (8:00 a.m. AST) at Hurricane Helene attains a minimum pressure of 967 mbar (hPa; 28.56 inHg) about 705 miles (1,135 km) west-northwest of Praia, Cabo Verde. 18:00 UTC (2:00 p.m. EDT) at Hurricane Florence attains its peak intensity with winds of 150 mph (240 km/h) and a pressure of 937 mbar (hPa; 27.67 inHg) roughly 835 miles (1,345 km) east-southeast of Cape Fear, North Carolina. September 12 06:00 UTC (2:00 a.m. AST) at Hurricane Helene weakens to a Category 1 hurricane approximately 855 miles (1,375 km) west-northwest of Praia, Cabo Verde. 12:00 UTC (8:00 a.m. AST) at Subtropical Storm Joyce develops about 610 miles (980 km) southwest of the Azores. 18:00 UTC (2:00 p.m. EDT) at Hurricane Florence weakens to a Category 3 hurricane roughly 430 miles (690 km) southeast of Wrightsville Beach, North Carolina. September 13 12:00 UTC (8:00 a.m. EDT) at Hurricane Florence weakens to a Category 2 hurricane approximately 175 miles