page_title: Tropical cyclone basins
section_title: Northwestern Pacific Ocean
hierarchical_section_title: Tropical cyclone basins / Northern Hemisphere / Northwestern Pacific Ocean
caption_attribution_description: English: This trackmap shows the tracks of all tropical cyclones in the Northwest Pacific Ocean from 1980 to 2005. The International Date Line is marked on the map, this is the eastern boundary of the basin.. The points show the location of each storm at 6-hour intervals. The colour represents the storm's maximum sustained wind speeds as classified in the Saffir-Simpson Hurricane Scale (see below), and the shape of the data points represent the nature of the storm. Saffir–Simpson scale Tropical depression≤38 mph≤62 km/h Category 3111–129 mph178–208 km/h Tropical storm39–73 mph63–118 km/h Category 4130–156 mph209–251 km/h Category 174–95 mph119–153 km/h Category 5≥157 mph≥252 km/h Category 296–110 mph154–177 km/h Unknown Storm type Tropical cyclone Subtropical cyclone Extratropical cyclone / Remnant low / Tropical disturbance / Monsoon depression
context_page_description: Traditionally, areas of tropical cyclone formation are divided into seven basins. These include the north Atlantic Ocean, the eastern and western parts of the northern Pacific Ocean, the southwestern Pacific, the southwestern and southeastern Indian Oceans, and the northern Indian Ocean. The western Pacific is the most active and the north Indian the least active. An average of 86 tropical cyclones of tropical storm intensity form annually worldwide, with 47 reaching hurricane/typhoon strength, and 20 becoming intense tropical cyclones, super typhoons, or major hurricanes.
context_section_description: The Northwest Pacific Ocean is the most active basin on the planet, accounting for one-third of all tropical cyclone activity. Annually, an average of 25.7 tropical cyclones in the basin acquire tropical storm strength or greater; also, an average of 16 typhoons occurred each year during the 1968–1989 period. The basin occupies all the territory north of the equator and west of the International Date Line, including the South China Sea. The basin sees activity year-round; however, tropical activity is at its minimum in February and March.
  Tropical storms in this region often affect China, Hong Kong, Macau, Japan, Korea, Philippines, Taiwan and Vietnam, plus numerous Oceanian islands such as Guam, the Northern Marianas and Palau. Sometimes, tropical storms in this region affect Laos, Thailand, Cambodia and even Singapore, Malaysia and Indonesia. The coast of China sees the most landfalling tropical cyclones worldwide. The Philippines receives an average of 6–7 tropical cyclone landfalls per year, with Super Typhoon Haiyan being the strongest and most powerful to date since its landfall in November 8, 2013.
caption: Tracks of all tropical cyclones in the northwestern Pacific Ocean between 1980 and 2005. The vertical line to the right is the International Date Line.
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