It is the first time on record that more than three tropical storms have occurred at the same time in November in the region.

AccuWeather meteorologists say the Western Pacific Ocean is experiencing a surge in tropical activity this week, with four storms stretching from Vietnam to the Mariana Islands. As one typhoon makes its exit from the Philippines Monday,

The last two typhoons and a tropical storm caused more than 160 deaths, damaged thousands of houses and farmlands and affected more than 9 million people, including hundreds of thousands who fled to emergency shelters, after dumping from one to two months’ worth of rain in just 24 hours in some cities and towns.