Draft:Timeline of the 2019 Pacific typhoon season
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The 2019 Pacific typhoon season consisted of the events that occurred in the annual cycle of tropical cyclone formation over the western North Pacific Ocean and the South China Sea.[1] There were no official bounds, as tropical cyclones form all year round, though most storms in the basin typically form between July and November.[2] The first tropical cyclone of the season, Tropical Storm Pabuk, developed in late December 2018; the final, Typhoon Phanfone, dissipated on December 29, 2019.
Timeline of the 2019 Pacific typhoon season | |||||||
---|---|---|---|---|---|---|---|
Season boundaries | |||||||
First system formed | December 31, 2018 | ||||||
Last system dissipated | December 29, 2019 | ||||||
Strongest system | |||||||
Name | Halong | ||||||
Maximum winds | 215 km/h (130 mph) (10-minute sustained) | ||||||
Lowest pressure | 905 hPa (mbar) | ||||||
Longest lasting system | |||||||
Name | Wutip | ||||||
Duration | 11.75 days | ||||||
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Other years 2017, 2018, 2019, 2020, 2021 |
A total of XX tropical depressions formed during the season; 29 of these developed into named tropical storms, of which 20 became severe tropical storms and 17 became typhoons. Additionally five typhoons became super typhoons—an unofficial rank given to storms with 1-minute maximum sustained wind speed of 240 km/h (150 mph).[3] Based on the climatological average of 25.6 storms from 1981 to 2010, activity in the 2019 season was greater than normal, primarily due to high sea surface temperatures. El Niño conditions persisted from autumn 2018, causing an increase of atmospheric convection until spring 2019. The conditions became neutral during the summer, as strong activity occurred in the monsoon trough over Southeast Asia in August, promoting tropical cyclogenesis.[1] Throughout the season, powerful tropical cyclones contributed to an overall Accumulated Cyclone Energy value of 276.8 units.[nb 1][5]