Hurricane Erick continues to rapidly intensify and reached Category 4 strength as the extremely dangerous storm continues to approach the southern coast of Mexico in an area popular with travelers.

Invest 94E, a system currently generating thunderstorms over and offshore of Central America in the Eastern Pacific Ocean, is highly likely to strengthen into Tropical Storm Erick within the next 24 ...

The strength is measured by the Saffir-Simpson Hurricane Wind Scale, which rates hurricanes from Category 1 to 5 based on wind speed.