Miami, Aug 20, 2021, SPA -- Tropical storm Grace is strengthening over the southwestern Gulf of Mexico and is expected to regain hurricane force later on Friday, the U.S. National Hurricane Center (NHC) said in its latest advisory. Grace is located about 150 miles (240 km) northwest of Campeche, Mexico, with maximum sustained winds of 70 miles per hours (110 kilometers per hours), Reuters quoted the NHC as saying. --SPA 14:05 LOCAL TIME 11:05 GMT 0009 www.spa.gov.sa/w1604994