Hurricane Otis makes landfall near Acapulco as Category 5 storm, threatening 'nightmare scenario' for southern Mexico | CNN
edition.cnn.com
Hurricane Otis made landfall near Acapulco, Mexico, early Wednesday as a Category 5 storm, delivering what forecasters warned could be a “nightmare scenario” for Mexico’s southern coast as it threatens to cause catastrophic damage with destructive winds, heavy rainfall and storm surge.

From CNN link:

Hurricane Otis made landfall near Acapulco, Mexico, early Wednesday as a Category 5 storm, delivering what forecasters warned could be a “nightmare scenario” for Mexico’s southern coast as it threatens to cause catastrophic damage with destructive winds, heavy rainfall and storm surge.

Otis’ center slammed into Mexico’s coast around 12:25 a.m. local time with sustained winds of 165 mph, the National Hurricane Center said.

and this is the latest advisory from NOAA https://www.nhc.noaa.gov/text/refresh/MIATCPEP3+shtml/250845.shtml

Apparently it built from a tropical storm to a Cat 5 in about 24 hours.