Polo threatens storm surge, high winds and heavy rain along Mexico's Pacific coast, while Nolo drifts further from the Hawaiian Islands.
Nolo is moving away from the islands but continues to bring rain and flooding risks, while Polo approaches Mexico's Pacific coast.
The category-four storm is approaching Baja California Sur on Mexico's northern Pacific coast, according to the BBC.
Authorities have ordered evacuations, closed ports and canceled classes as the storm approaches the Pacific coast.
Southwestern Mexico braced for heavy rain after Polo strengthened into a major hurricane, while forecasters warn a separate storm could bring catastrophic flooding to Hawaii.
Fuelled by exceptionally warm Pacific waters, Hurricane Polo has become the second-most intense hurricane on record in the eastern Pacific as it tracks toward Baja California.
A rare combination of atmospheric and oceanic conditions fueled one of the strongest storms on record in the eastern Pacific basin, NASA says.
Residents of Mexico's Pacific beach towns are bracing for heavy rain and dangerous surf as the powerful storm tracks offshore.
A BBC report examines how El Niño conditions may have contributed to the rapid intensification of Hurricane Polo in the Pacific.
Hurricane Polo, described as one of the strongest Pacific cyclones in decades, has brought dangerous waves and heavy rain to Mexico's coast.
Mexican authorities are on alert after the storm jumped from Category 1 to the maximum category in under 24 hours, though it is not expected to make landfall.
Hurricane Polo has strengthened into a Category 5 storm off Mexico's Pacific coast, with the US National Hurricane Center describing it as extremely dangerous.
Hurricane Polo has weakened but remains a powerful storm in the Pacific Ocean, fueled by warm waters linked to El Nino.