Hurricane Patricia: Mexico prepares for potential mega-storm

Officials say Hurricane Patricia has strengthened into a potentially catastrophic Category 5 storm as it churns toward Mexico's Pacific coast.

Scientist David Nolan calls Hurricane Patricia "extremely dangerous" for people on the Mexican coast, as it strengthens into a potentially catastrophic Category 5 storm.

Teams of police and civil protection officials on Friday alerted people along Puerto Vallarta's waterfront to evacuate. The move comes as Hurricane Patricia a "potentially catastrophic" Category 5 storm, headed toward the Mexican Pacific coast.