MEXICO CITY (Reuters) - Hurricane Rick edged slowly closer to Mexico's Pacific coast on Sunday, expected to unleash heavy rains north of the beach resort of Acapulco late in the evening, the U.S. National Hurricane Center (NHC) said.

       Rick was packing maximum sustained winds near 85 miles (140 km) per hour with strong gusts as it moved northward at about 3 miles (6 km) per hour.

       The storm was located 130 miles (210 km) south of the beach city of Zihuatanejo in Guerrero state.

       The NHC estimated that Rick will strengthen as it draws closer to the coast and bring "life-threatening storm surge and dangerous hurricane-force winds" along a stretch of coastline from Tecpan de Galeana in Guerrero, just north of Acapulco, to Punta San Telmo in Michoacan.

       Rainfall in some areas was expected to amount to 20 inches, likely causing flooding and mudslides.

       Authorities in Guerrero warned that waves in the Acapulco area and northward could reach between 3 and 4 meters high.

       Rick was expected to dissipate by Tuesday, the NHC said.

       The coastal states of Guerrero, Michoacan, Colima, Jalisco and Nayarit states were opening shelters in areas expected to receive heavy rains, a government official told Televisa News.

       Storm Pamela hit Mexico's western state of Sinaloa https://www.reuters.com/business/environment/hurricane-pamela-hits-western-mexico-quickly-weakens-tropical-storm-2021-10-13 in mid-October as a hurricane, leaving downed trees, damaged businesses and flooded streets.

       (Reporting by Daina Beth Solomon; Editing by Mark Porter)