Remnants of Gabrielle have 70 percent chance of becoming cyclone: NHC Tue Sep 10, 2013 1:55am EDT (Reuters) - An area of low pressure, the remnants of tropical storm Gabrielle, now located about 275 miles south of Bermuda, has a 70 percent chance of becoming a tropical cyclone during the next 48 hours, the U.S. National Hurricane Center said in its latest bulletin. "The low is expected to move northward at 10 to 15 miles per hour, bringing it over or very near Bermuda on Wednesday," the NHC said. Reporting by Arpan Varghese in Bangalore