The monstrous Pacific hurricane has intensified to such an extreme that some meteorologists believe it belongs in a category that does not officially exist. Models show its remnants hitting the US.

Add Yahoo as a preferred source to see more of our stories on Google. Residents place sandbags as a protective barrier against strong waves generated by Hurricane Polo in Lazaro Cardenas, Mexico.

The historic storm pushed far beyond the minimum Category 5 threshold during explosive intensification.

SAN ANTONIO — When you hear “Category 5 hurricane,” you’re hearing the highest rating on the Saffir-Simpson Hurricane Wind Scale. Category 5 begins at 157 mph, with the National Hurricane Center ...

Could Hurricane Polo be a Category 6? Officially, absolutely not. But after Polo exploded into one of the most intense hurricanes ever measured in the eastern Pacific, the question doesn't sound quite ...