Original: Early on September 10, an eye began developing within a round central dense overcast over the center, and shortly thereafter Florence attained hurricane status while located about 390 miles (630 km) south of Bermuda.
Simplified: Early on September 10, an eye began developing inside a ring of round thick convection over the center, and shortly thereafter Florence reached hurricane status while located about 390 miles (630 km) south of Bermuda.