Tropical Storm Dolores is strengthening in the Pacific Ocean and is expected to become a hurricane later on Monday, the Miami-based U.S. National Hurricane Center (NHC) said. On Monday, Dolores had maximum sustained winds of 110 kilometers per hour (kph), the NHC said. The storm was centered about 275 kilometers southwest of Manzanillo, Mexico and was moving west-northwest at 19 kph. Meanwhile, Tropical Storm Enrique, the fifth named storm of the Pacific hurricane season, churned far from land, posing no threat, NHC forecasters said. Enrique had maximum sustained winds of 65 kph, was centered about 1,900 kilometers west-southwest of the southern tip of Mexico's Baja California Peninsula, and was moving northwest near 17 kph, the NHC said.