(280 km) southeast of Wrightsville Beach, North Carolina. 12:00 UTC (8:00 a.m. AST) at Hurricane Helene weakens to a tropical storm about 1,105 miles (1,780 km) northwest of Praia, Cabo Verde. September 14 00:00 UTC (8:00 p.m. AST September 13) at Subtropical Storm Joyce transitions into a tropical storm roughly 850 miles (1,370 km) southwest of the Azores. 11:15 UTC (7:15 a.m. EDT) at Hurricane Florence weakens to a Category 1 hurricane while making landfall near Wrightsville Beach, North Carolina, with winds of 90 mph (150 km/h). September 15 00:00 UTC (8:00 p.m. EDT September 14) at Hurricane Florence weakens to a tropical storm approximately 10 miles (15 km) northwest of North Myrtle Beach, South Carolina. 00:00 UTC (8:00 p.m. AST September 14) at Tropical Storm Isaac weakens to a tropical depression about 215 miles (345 km) south-southeast of Santo Domingo, Dominican Republic. 00:00 UTC (8:00 p.m. AST September 14)Tropical Storm Joyce attains its peak intensity with winds of 50 mph (85 km/h) and a pressure of 995 mbar (hPa; 29.39 inHg) roughly 900 miles (1,450 km) south-southwest of the Azores. 06:00 UTC (2:00 a.m. AST)Tropical Depression Isaac dissipates approximately 230 miles (370 km) south-southwest of the southwestern coast of Puerto Rico. September 16 12:00 UTC (8:00 a.m. AST) at Tropical Storm Helene transitions into an extratropical cyclone about 290 miles (465 km) north of the Azores. 12:00 UTC (8:00 a.m. AST) at Tropical Storm Joyce weakens to a tropical depression roughly 410 miles (660 km) south-southwest of the Azores. 18:00 UTC (2:00 p.m. EDT) at Tropical Storm Florence weakens to a tropical depression approximately 5 miles (10 km) south-southeast of Greenwood, South Carolina. September 17 12:00 UTC (8:00 a.m. EDT) at Tropical Depression Florence transitions into an extratropical cyclone about 30 miles (50 km) northeast of Huntington, West Virginia. September 19 00:00 UTC (8:00 p.m. AST September 18) at Tropical Depression Joyce degenerates to a remnant area of low pressure roughly 475 miles (765 km) south of the Azores. September 21 18:00 UTC (2:00 p.m. AST) at – Tropical Depression Eleven develops and attains peak winds of 35 mph (55 km/h) approximately 465 miles (750 km) east of Barbados. September 22 00:00 UTC (8:00 p.m. AST) at Tropical Depression Eleven attains a minimum pressure of 1007 mbar (hPa; 29.74 inHg) about 420 miles (675 km) east of Barbados. 06:00 UTC (2:00 a.m. AST) at Tropical Depression Twelve develops roughly