Original: Based on evidence of a weak warm-core, the system was re-designated as Tropical Storm Gabrielle late on September 8 about 185 miles (300 km) southeast of Cape Lookout, North Carolina.
Simplified: Soon, a weak warm-core was found, and the NHC re-named the sotrm as Tropical Storm Gabrielle late on September 8 about 185 miles (300 km) southeast of Cape Lookout, North Carolina.