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The 2017 Pacific typhoon season is an ongoing event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the western Pacific Ocean. The season runs throughout 2017, though most tropical cyclones typically develop between May and October. The scope of this article is limited to the Pacific Ocean to the north of the equator between 100°E and 180th meridian. Within the northwestern Pacific Ocean, there are two separate agencies that assign names to tropical cyclones which can often result in a cyclone having two names. The Japan Meteorological Agency (JMA) will name a tropical cyclone should it be judged to have 10-minute sustained wind speeds of at least 65 km/h (40 mph) anywhere in the basin, whilst the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 115°E–135°E and between 5°N–25°N regardless of whether or not a tropical cyclone has already been given a name by the JMA. Tropical depressions that are monitored by the United States' Joint Typhoon Warning Center (JTWC) are given a number with a "W" suffix.

Seasonal forecasts

During the year several national meteorological services and scientific agencies forecast how many tropical cyclones, tropical storms, and typhoons will form during a season and/or how many tropical cyclones will affect a particular country. These agencies included the Tropical Storm Risk (TSR) Consortium of University College London, PAGASA and Taiwan's Central Weather Bureau.

Season summary

Storm names

Within the Northwest Pacific Ocean, both the Japan Meteorological Agency (JMA) and the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assign names to tropical cyclones that develop in the Western Pacific, which can result in a tropical cyclone having two names. The Japan Meteorological Agency's RSMC Tokyo — Typhoon Center assigns international names to tropical cyclones on behalf of the World Meteorological Organization's Typhoon Committee, should they be judged to have 10-minute sustained windspeeds of 65 km/h (40 mph). PAGASA names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E–115°E and between 5°N–25°N even if the cyclone has had an international name assigned to it. The names of significant tropical cyclones are retired, by both PAGASA and the Typhoon Committee. Should the list of names for the Philippine region be exhausted then names will be taken from an auxiliary list of which the first ten are published each season. Unused names are marked in gray.

International names

A tropical cyclone is named when it is judged to have 10-minute sustained windspeeds of 65 km/h (40 mph). The JMA selected the names from a list of 140 names, that had been developed by the 14 members nations and territories of the ESCAP/WMO Typhoon Committee. The next 24 names on the naming list are listed here along with their international numeric designation, if they are used.

Philippines

This season, PAGASA will use its own naming scheme, that will either develop within or move into their self-defined area of responsibility. The names were taken from a list of names, that was last used during 2013 and are scheduled to be used again during 2021. All of the names are the same except for Lannie, Salome and Yasmin, which replaced the names Labuyo, Santi and Yolanda after they were retired.

Season effects

This table summarizes all the systems that developed within or moved into the North Pacific Ocean, to the west of the International Date Line during 2017. The tables also provide an overview of a systems intensity, duration, land areas affected and any deaths or damages associated with the system.

See also

• 2017 Atlantic hurricane season
• 2017 Pacific hurricane season
• 2017 North Indian Ocean cyclone season
• South-West Indian Ocean cyclone seasons: 2016–17, 2017–18
• Australian region cyclone seasons: 2016–17, 2017–18
• South Pacific cyclone seasons: 2016–17, 2017–18

References

1. ^ Padgett, Gary. "Monthly Tropical Cyclone Summary December 1999". Australian Severe Weather. Archived from the original on August 28, 2012. Retrieved October 1, 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
2. ^ The Typhoon Committee (February 21, 2013). "Typhoon Committee Operational Manual 2013". World Meteorological Organization. pp. 37–38. Archived from the original (PDF) on August 28, 2012. Retrieved October 1, 2013.
3. http://www.typhooncommittee.org/48th/docs/item%204%20technical%20presentations/4.1.Review2015TyphoonSeason.pdf
4. Zhou, Xiao; Lei, Xiaotu (2012). "Summary of retired typhoons within the Western North Pacific Ocean". Tropical Cyclone Research and Review. 1 (1). The Economic and Social Commission for Asia and the Pacific/World Meteorological Organization's Typhoon Committee: 23–32. doi:10.6057/2012TCRR01.03. ISSN 2225-6032. Retrieved December 21, 2014.
5. ^ "Philippine Tropical Cyclone Names". Philippine Atmospheric, Geophysical and Astronomical Services Administration. Retrieved April 18, 2015.

External links

• China Meteorological Agency
• Digital Typhoon
• Hong Kong Observatory
• Japan Meteorological Agency
  • Multilingual Tropical Cyclone Information
• Joint Typhoon Warning Center
• Korea Meteorological Administration
• Malaysian Meteorological Department
• National Weather Service Guam
• Philippine Atmospheric, Geophysical and Astronomical Services Administration
• Taiwan Central Weather Bureau
• TCWC Jakarta
• Thai Meteorological Department
• Typhoon2000
• Vietnam's National Hydro-Meteorological Service

• Pacific typhoon seasons