Hurricane Willa, classified as category 4, is dangerously approaching the southwest coast of Mexico, which should be swept away Tuesday afternoon. The area has been placed under surveillance.

Hurricane Willa went from the third to the fourth category on the five-man Saffir-Simpson scale, and was moving closer to the Pacific coast of Mexico on Sunday night, reports the American Cyclone Monitoring Center (NHC).

Hurricane #Willa continues to grow, and it is now a category 4 hurricane. Hurricane and Tropical Storm Warnings are in effect for west-central and southwestern Mexico. Here are the 9 pm MDT Key Messages. Go to https://t.co/Oy8uoeRKme for details. pic.twitter.com/nPpo2RKYAw

- NHC E. Pacific Ops (@NHC_Pacific) October 22, 2018

According to the latest forecasts, the depression was 362 km southwest of Cabo Corrientes, in the west of the country, and winds could reach 209 km / h.

The hurricane "continues to strengthen ," an NHC statement said, adding that Willa's storm surges could be deadly.

It should sweep the Mexican coast Tuesday afternoon or in the evening and the NHC has announced that very heavy rainfall and flooding are expected.