Original: Convection increased further over the center, and at around 0600 UTC on July 31 the depression intensified into Tropical Storm Chantal while located about 530 miles (855 km) south of Halifax, Nova Scotia.
Simplified: The system organized further, and based on satellite pictures and QuikSCAT data, the National Hurricane Center upgraded the depression to Tropical Storm Chantal at 1215 UTC on July 31 while located about 330 miles (530 km) south of Halifax, Nova Scotia.