Puerto Vallarta, Mexico - Tropical Storm John, previously a Category 3 hurricane, has been downgraded to a tropical storm as it continues moving northwest along Mexico's southern Pacific coast. The U.S. National Hurricane Center (NHC) issued an advisory on Tuesday confirming that the storm was located approximately 185 kilometers (115 miles) northwest of Punta Maldonado in Guerrero state, with maximum sustained winds of 110 kilometers per hour (68 mph).