Polo off Mexican coast is among 'the strongest storms ever' as Odalys becomes a hurricane

Polo has grown into one of the most powerful Pacific cyclones in decades off the coast of Mexico, with a rapid intensification attributed to the warmer waters and wind patterns of El Niño. Another Pacific system, Odalys, also strengthened to a hurricane without threatening land. Hurricane Polo has grown into one of the most powerful Pacific cyclones in decades and is expected to skirt Mexico's southwestern coast as a major hurricane.