2017 West Pacific typhoon season
All year · Season ended
The 2017 West Pacific typhoon season produced 26 named storms, 12 typhoons and 4 major typhoons, against a 1991–2020 average of 25.5, 15.8 and 9.0. Its accumulated cyclone energy was 171, 60% of the average.
Named storms
26
Avg 25.5 (1991–2020)
Typhoons
12
64 kt or stronger · avg 15.8
Major (Cat 3+)
4
Avg 9.0 per season
Accumulated energy
60% of normal
ACE 171 vs 1991–2020 avg 286
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Tracks colored by peak strengthTDTSC1C2C3C4
2017 season at a glance
- Named storms: 26 (1991–2020 average 25.5).
- Typhoons (64 kt+): 12 (average 15.8).
- Major, 96 kt+: 4 (average 9.0).
- Accumulated cyclone energy: 170.8, 60% of the 286 average.
- Named-storm days: 108.0, counting each six-hourly fix at 34 kt or more as a quarter day.
- First named storm: Muifa, April 25.
- First typhoon: Noru, July 23.
- First major storm: Noru, July 30.
- Last storm to dissipate: Tembin, December 26.
- All systems tracked: 34, including 8 that stayed below tropical-storm strength.
Counts use 1-minute best-track winds: named storms reached 34 kt (39 mph), the next column 64 kt (74 mph) and major storms 96 kt (111 mph). Regional agencies here use 10-minute winds (3-minute in India), so their official counts can differ.
Every storm of the 2017 season
| Storm | Dates | Peak | Min pressure | Landfall |
|---|---|---|---|---|
| TD 1W | – | TD | 1000 mb | Maasin, Philippines |
| TD 2W | – | TD | 1004 mb | — |
| Muifa | – | TS | 993 mb | — |
| Merbok | – | TS | 989 mb | Tai Mong Tsai, Hong Kong |
| Nanmadol | – | TS | 974 mb | Tomoura, Japan |
| Talas | – | TS | 985 mb | Vinh, Vietnam |
| Noru | – | C4 | 922 mb | Tatsuno-kita, Japan |
| Kulap | – | TS | 985 mb | — |
| Sonca | – | TS | 989 mb | Hồ Xá, Vietnam |
| Roke | – | TS | 996 mb | Shenzhen, China |
| Nesat | – | C2 | 956 mb | Yilan, Taiwan |
| Haitang | – | TS | 992 mb | Yujing, Taiwan |
| Nalgae | – | TS | 978 mb | — |
| Banyan | – | C3 | 941 mb | — |
| Hato | – | C2 | 948 mb | Taishan, China |
| Pakhar | – | TS | 983 mb | Masaya Sur, Philippines |
| Sanvu | – | C2 | 953 mb | — |
| Mawar | – | TS | 989 mb | Jieshi, China |
| Guchol | – | TD | 1000 mb | — |
| Talim | – | C4 | 933 mb | Ibusuki, Japan |
| Doksuri | – | C2 | 960 mb | Tanay, Philippines |
| TD 22W | – | TD | 1000 mb | Qionghai, China |
| TD 23W | – | TD | 999 mb | Gia Hanh, Vietnam |
| Khanun | – | C2 | 956 mb | Gonzaga, Philippines |
| Lan | – | C4 | 922 mb | Sagara, Japan |
| TD 26W | – | TD | 1002 mb | — |
| Saola | – | C1 | 974 mb | — |
| Damrey | – | C2 | 967 mb | Ninh Hòa, Vietnam |
| Unnamed | – | TD | — | — |
| TD 29W | – | TD | 1004 mb | Batu Kawan, Malaysia |
| Haikui | – | TS | 989 mb | Pambujan, Philippines |
| Kirogi | – | TS | 993 mb | Puerto Princesa, Philippines |
| Kai-Tak | – | TS | 985 mb | Oras, Philippines |
| Tembin | – | C2 | 959 mb | Monkayo, Philippines |
- TD 1W: This system formed in the West Pacific in January 2017 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h) and a minimum pressure of 1000 mb. It made landfall near Maasin, Philippines. The system was tracked for 9 days.
- TD 2W: This system formed in the West Pacific in April 2017 and peaked as a tropical depression with maximum sustained winds of 30 mph (45 km/h) and a minimum pressure of 1004 mb. It did not make landfall. The system was tracked for 6 days.
- Muifa: Muifa formed in the West Pacific in April 2017 and peaked as a tropical storm with maximum sustained winds of 45 mph (75 km/h) and a minimum pressure of 993 mb. It did not make landfall. The system was tracked for 7 days.
- Merbok: Merbok formed in the West Pacific in June 2017 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum pressure of 989 mb. It made landfall near Tai Mong Tsai, Hong Kong. The system was tracked for 4 days.
- Nanmadol: Nanmadol formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 70 mph (110 km/h) and a minimum pressure of 974 mb. It made landfall near Tomoura, Japan. The system was tracked for 7 days.
- Talas: Talas formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 60 mph (95 km/h) and a minimum pressure of 985 mb. It made landfall near Vinh, Vietnam. The system was tracked for 4 days.
- Noru: Noru formed in the West Pacific in July 2017 and peaked as a Category 4 super typhoon with maximum sustained winds of 155 mph (250 km/h) and a minimum pressure of 922 mb. It made landfall near Tatsuno-kita, Japan. The system was tracked for 21 days.
- Kulap: Kulap formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 60 mph (95 km/h) and a minimum pressure of 985 mb. It did not make landfall. The system was tracked for 8 days.
- Sonca: Sonca formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum pressure of 989 mb. It made landfall near Hồ Xá, Vietnam. The system was tracked for 9 days.
- Roke: Roke formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 40 mph (65 km/h) and a minimum pressure of 996 mb. It made landfall near Shenzhen, China. The system was tracked for 2 days.
- Nesat: Nesat formed in the West Pacific in July 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 100 mph (155 km/h) and a minimum pressure of 956 mb. It made 2 landfalls, first near Yilan, Taiwan and last near Fuqing, China. The system was tracked for 6 days.
- Haitang: Haitang formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 45 mph (75 km/h) and a minimum pressure of 992 mb. It made 2 landfalls, first near Yujing, Taiwan and last near Jiangkou, China. The system was tracked for 7 days.
- Nalgae: Nalgae formed in the West Pacific in July 2017 and peaked as a tropical storm with maximum sustained winds of 70 mph (110 km/h) and a minimum pressure of 978 mb. It did not make landfall. The system was tracked for 9 days.
- Banyan: Banyan formed in the West Pacific in August 2017 and peaked as a Category 3 typhoon with maximum sustained winds of 115 mph (185 km/h) and a minimum pressure of 941 mb. It did not make landfall. The system was tracked for 8 days.
- Hato: Hato formed in the West Pacific in August 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 105 mph (165 km/h) and a minimum pressure of 948 mb. It made landfall near Taishan, China. The system was tracked for 6 days.
- Pakhar: Pakhar formed in the West Pacific in August 2017 and peaked as a tropical storm with maximum sustained winds of 70 mph (110 km/h) and a minimum pressure of 983 mb. It made 2 landfalls, first near Masaya Sur, Philippines and last near Changsha, China. The system was tracked for 4 days.
- Sanvu: Sanvu formed in the West Pacific in August 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 105 mph (165 km/h) and a minimum pressure of 953 mb. It did not make landfall. The system was tracked for 11 days.
- Mawar: Mawar formed in the West Pacific in August 2017 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum pressure of 989 mb. It made landfall near Jieshi, China. The system was tracked for 5 days.
- Guchol: Guchol formed in the West Pacific in September 2017 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h) and a minimum pressure of 1000 mb. It did not make landfall. The system was tracked for 4 days.
- Talim: Talim formed in the West Pacific in September 2017 and peaked as a Category 4 typhoon with maximum sustained winds of 140 mph (220 km/h) and a minimum pressure of 933 mb. It made 3 landfalls, first near Ibusuki, Japan and last near Kobe, Japan. The system was tracked for 14 days.
- Doksuri: Doksuri formed in the West Pacific in September 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 110 mph (175 km/h) and a minimum pressure of 960 mb. It made 2 landfalls, first near Tanay, Philippines and last near Kỳ Anh, Vietnam. The system was tracked for 6 days.
- TD 22W: This system formed in the West Pacific in September 2017 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h) and a minimum pressure of 1000 mb. It made landfall near Qionghai, China. The system was tracked for 2 days.
- TD 23W: This system formed in the West Pacific in October 2017 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h) and a minimum pressure of 999 mb. It made landfall near Gia Hanh, Vietnam. The system was tracked for 2 days.
- Khanun: Khanun formed in the West Pacific in October 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 100 mph (155 km/h) and a minimum pressure of 956 mb. It made 2 landfalls, first near Gonzaga, Philippines and last near Xucheng, China. The system was tracked for 5 days.
- Lan: Lan formed in the West Pacific in October 2017 and peaked as a Category 4 super typhoon with maximum sustained winds of 155 mph (250 km/h) and a minimum pressure of 922 mb. It made landfall near Sagara, Japan. The system was tracked for 9 days.
- TD 26W: This system formed in the West Pacific in October 2017 and peaked as a tropical depression with maximum sustained winds of 30 mph (45 km/h) and a minimum pressure of 1002 mb. It did not make landfall. The system was tracked for 2 days.
- Saola: Saola formed in the West Pacific in October 2017 and peaked as a Category 1 typhoon with maximum sustained winds of 75 mph (120 km/h) and a minimum pressure of 974 mb. It did not make landfall. The system was tracked for 10 days.
- Damrey: Damrey formed in the West Pacific in October 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 105 mph (165 km/h) and a minimum pressure of 967 mb. It made landfall near Ninh Hòa, Vietnam. The system was tracked for 5 days.
- Unnamed: This system formed in the West Pacific in October 2017. It did not make landfall. The system was tracked for 1 day.
- TD 29W: This system formed in the West Pacific in November 2017 and peaked as a tropical depression with maximum sustained winds of 30 mph (45 km/h) and a minimum pressure of 1004 mb. It made landfall near Batu Kawan, Malaysia. The system was tracked for 5 days.
- Haikui: Haikui formed in the West Pacific in November 2017 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h) and a minimum pressure of 989 mb. It made 3 landfalls, first near Pambujan, Philippines and last near Calubcub Dos, Philippines. The system was tracked for 7 days.
- Kirogi: Kirogi formed in the West Pacific in November 2017 and peaked as a tropical storm with maximum sustained winds of 45 mph (75 km/h) and a minimum pressure of 993 mb. It made landfall near Puerto Princesa, Philippines. The system was tracked for 3 days.
- Kai-Tak: Kai-Tak formed in the West Pacific in December 2017 and peaked as a tropical storm with maximum sustained winds of 60 mph (95 km/h) and a minimum pressure of 985 mb. It made 2 landfalls, first near Oras, Philippines and last near Roxas, Philippines. The system was tracked for 11 days.
- Tembin: Tembin formed in the West Pacific in December 2017 and peaked as a Category 2 typhoon with maximum sustained winds of 100 mph (155 km/h) and a minimum pressure of 959 mb. It made landfall near Monkayo, Philippines. The system was tracked for 7 days.
Each summary is built from the storm’s best track.
Strongest storm of 2017
Super Typhoon Noru was the strongest storm of the season, peaking at 155 mph (250 km/h), with a lowest pressure of 922 mb, on July 30. That is Category 4 strength on the Saffir-Simpson scale.
125 West Pacific storms since 1980 peaked higher, and 26 matched it. It produced 27% of the season’s accumulated cyclone energy.
Landfalls in 2017
24 of the season’s 34 systems made landfall, 5 of them at typhoon strength. Each landfall point is listed with the nearest town and the wind at that moment.
- January 8: TD 1W near Maasin, Philippines, 30 mph (tropical depression)
- June 12: Merbok near Tai Mong Tsai, Hong Kong, 45 mph (tropical storm)
- July 4: Nanmadol near Tomoura, Japan, 60 mph (tropical storm)
- July 16: Talas near Vinh, Vietnam, 50 mph (tropical storm)
- July 23: Roke near Shenzhen, China, 30 mph (tropical depression)
- July 25: Sonca near Hồ Xá, Vietnam, 50 mph (tropical storm)
- July 29: Nesat near Yilan, Taiwan, 90 mph (Category 1)
- July 29: Nesat near Fuqing, China, 65 mph (tropical storm)
- July 30: Haitang near Yujing, Taiwan, 45 mph (tropical storm)
- July 30: Haitang near Jiangkou, China, 40 mph (tropical depression)
- August 7: Noru near Tatsuno-kita, Japan, 70 mph (tropical storm)
- August 23: Hato near Taishan, China, 100 mph (Category 2)
- August 25: Pakhar near Masaya Sur, Philippines, 45 mph (tropical storm)
- August 27: Pakhar near Changsha, China, 60 mph (tropical storm)
- September 3: Mawar near Jieshi, China, 35 mph (tropical depression)
- September 12: Doksuri near Tanay, Philippines, 35 mph (tropical depression)
- September 15: Doksuri near Kỳ Anh, Vietnam, 90 mph (Category 1)
- September 17: Talim near Ibusuki, Japan, 65 mph (tropical storm)
- September 17: Talim near Yoshino, Japan, 65 mph (tropical storm)
- September 17: Talim near Kobe, Japan, 65 mph (tropical storm)
- September 24: TD 22W near Qionghai, China, 35 mph (tropical depression)
- October 10: TD 23W near Gia Hanh, Vietnam, 35 mph (tropical depression)
- October 12: Khanun near Gonzaga, Philippines, 40 mph (tropical storm)
- October 15: Khanun near Xucheng, China, 50 mph (tropical storm)
- October 22: Lan near Sagara, Japan, 80 mph (Category 1)
- November 4: Damrey near Ninh Hòa, Vietnam, 100 mph (Category 2)
- November 4: TD 29W near Batu Kawan, Malaysia, 30 mph (tropical depression)
- November 8: Haikui near Pambujan, Philippines, 30 mph (tropical depression)
- November 9: Haikui near Pio Duran, Philippines, 35 mph (tropical depression)
- November 9: Haikui near Calubcub Dos, Philippines, 35 mph (tropical depression)
- November 17: Kirogi near Puerto Princesa, Philippines, 30 mph (tropical depression)
- December 16: Kai-Tak near Oras, Philippines, 40 mph (tropical storm)
- December 18: Kai-Tak near Roxas, Philippines, 30 mph (tropical depression)
- December 21: Tembin near Monkayo, Philippines, 55 mph (tropical storm)
How 2017 ranks since 1980
The season ranks 20th of 47 West Pacific seasons since 1980 for named storms (tied with 3 other seasons), 35th for typhoons (tied with 4 other seasons) and 42nd for accumulated cyclone energy.
The record since 1980 is 33 named storms, in 1994, and the highest ACE is 483, in 2004.
2017 storm names
The 2017 season used 27 names: Muifa, Merbok, Nanmadol, Talas, Noru, Kulap, Sonca, Roke, Nesat, Haitang, Nalgae, Banyan, Hato, Pakhar, Sanvu, Mawar, Guchol, Talim, Doksuri, Khanun, Lan, Saola, Damrey, Haikui, Kirogi, Kai-Tak, Tembin.
7 systems were tracked without a name and are listed by number.
2017 season FAQ
How many named storms were there in 2017?
The 2017 West Pacific typhoon season had 26 named storms, 12 typhoons and 4 major typhoons, from 34 systems tracked in all. The 1991–2020 average is 25.5 named storms, 15.8 at 64 kt or more and 9.0 major per season. The first to form was Muifa and the last was Tembin.
What was the strongest storm of 2017?
Super Typhoon Noru. It peaked at 155 mph (250 km/h, 135 kt) with a lowest pressure of 922 mb on July 30. That is Category 4 strength on the Saffir-Simpson scale. 125 West Pacific storms since 1980 peaked higher. It produced 27% of the season’s accumulated cyclone energy.
When did the 2017 season end?
The West Pacific has no official season, so the 2017 season is simply the calendar year: every storm that formed by December 31 counts. The last system, Tembin, dissipated on December 26. Since 1980, 51 West Pacific storms reached tropical-storm strength in December.