Remnants of Hurricane Polo are bringing heavy rain and severe flash flood threats to parts of Texas as the storm system moves across the state.

The North Atlantic has recorded zero hurricanes for the first time since satellite observations began in 1966, driven by a powerful El Niño event.

As Hurricane Polo batters Mexico's Pacific coast with heavy rains and strong winds, Tropical Storm Nolo barrels toward Hawaii, prompting widespread emergency preparations.

Hurricane Polo has rapidly intensified into a rare Category 5 storm off Mexico's Pacific coast, packing 180 mph winds and prompting high alerts for severe flooding.