MIAMI — Hurricane Dora has formed in the Pacific off Mexico’s southwestern coast. The hurricane’s maximum sustained winds early Monday are near 80 mph (129 kph) with some strengthening likely before weakening is expected to begin Tuesday. The hurricane is centered about 170 miles (274 kilometers) south-southwest of Manzanillo, Mexico, and is moving west-northwest near 13 mph (21 kph). The U.S.