Original: A reconnaissance aircraft flight late on September 7 reported a very elongated center, with peak flight winds of 55 mph (90 km/h) about 100 miles (160 km) northeast of the center.
Simplified: A reconnaissance aircraft flight late on September 7 reported a very enlarged center, with strongest sustained winds of 55 mph (90 km/h) about 100 miles (160 km) northeast of the center.