 The season's first tropical cyclone developed on May 10, making it the sixth-latest start in the basin on record, just slightly behind 1973, and the first to start this late since 2016.The season’s first named storm, Vongfong (Ambo), developed east of Mindanao and rapidly intensified to become a Category 3 typhoon at peak intensity, undergoing an eyewall replacement cycle and made landfall on Samar Island, causing US$31.1 million damage to the country.The scope of this article is limited to the Pacific Ocean to the north of the equator between 100°E and 180th meridian.