Severe Tropical Storm Kompasu, known as Typhoon Kompasu in China and Hong Kong[1][2] and as Severe Tropical Storm Maring in the Philippines,[3] was a deadly and destructive tropical cyclone that affected the Philippines, Taiwan, and Southeast China. Part of the 2021 Pacific typhoon season, Kompasu originated from an area of low pressure east of the Philippines on October 6. The Japan Meteorological Agency (JMA) classified it as a tropical depression that day.