Severe Tropical Storm Halong, known in the Philippines as Typhoon Cosme, was the fourth severe tropical storm named by the Japan Meteorological Agency (JMA), which is the Regional Specialized Meteorological Centre for the Northwestern Pacific Ocean. The Joint Typhoon Warning Center also recognized Halong as the fifth tropical depression, the fourth tropical storm, as well as the third typhoon of the 2008 Pacific typhoon season.
The 2009 Pacific typhoon season was a below average season that spawned only 22 named storms, 13 typhoons, and five super typhoons. It was also recognized as the deadliest season in the Philippines for decades. The first half of the season was very quiet whereas the second half of the season was extremely active. The season's first named storm, Kujira, developed on May 3 while the season's last named storm, Nida, dissipated on December 3.
Severe Tropical Storm Linfa was the second named storm to develop in the South China Sea during the 2009 Pacific typhoon season. It is the seventh depression and third typhoon of the season. Forming out of an area of low pressure on June 14, the storm briefly attained tropical depression status before degenerating. By June 17 the system regenerated in the South China Sea. Slowly tracking northward, the storm intensified, attaining severe tropical storm status on June 19 and peaking in intensity the following day. On June 21, Linfa made landfall in Fujian Province, China as a tropical storm before weakening to a tropical depression.
This timeline documents all of the events of the 2009 Pacific typhoon season which was the period that tropical cyclones formed in the Western Pacific Ocean during 2009, with most of the tropical cyclones forming between May and November. The scope of this article is limited to the Pacific Ocean, north of the equator between 100°E and the International Date Line. Tropical storms that form in the entire Western Pacific basin are assigned a name by the Japan Meteorological Agency. Tropical depressions that form in this basin are given a number with a "W" suffix by the United States' Joint Typhoon Warning Center. In addition, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones that enter or form in the Philippine area of responsibility. These names, however, are not in common use outside of the Philippines.
The 2015 Pacific typhoon season was a slightly above average season that produced twenty-seven tropical storms, eighteen typhoons, and nine super typhoons. The season ran throughout 2015, though most tropical cyclones typically develop between May and November. The season's first named storm, Mekkhala, developed on January 15, while the season's last named storm, Melor, dissipated on December 17. The season saw at least one named tropical system forming in each of every month, the first time since 1965. Similar to the previous season, this season saw a high number of super typhoons. Accumulated cyclone energy (ACE) during 2015 was extremely high, the third highest since 1970, and the 2015 ACE has been attributed in part to anthropogenic warming.
Severe Tropical Storm Linfa, known in the Philippines as Tropical Storm Chedeng, brought deadly flooding to areas of the Philippines and Japan in May and June 2003. The fourth named storm within the northwestern Pacific that year, Linfa developed as a tropical depression just off the western coast of Luzon on May 25. The disturbance quickly intensified to reach tropical storm intensity a few hours after cyclogenesis. However, intensification leveled off as Linfa executed a small clockwise loop before a subsequent landfall on Luzon on May 27. Due to land interaction the storm temporarily weakened and decoupled before reforming in the Philippine Sea. Afterwards Linfa began reintensifying and reached its peak intensity on May 29 with maximum sustained winds of 100 km/h (65 mph) and a barometric pressure of 980 mbar. Following its peak the tropical storm began to deteriorate and transitioned into an extratropical cyclone on May 30; these extratropical remnants continued to track northward through Japan before dissipating in the Sea of Okhotsk on June 4.
The 2020 Pacific typhoon season was the first with below-average tropical cyclone activity since 2017, with 23 named storms, 10 of which became typhoons and only 2 became super typhoons. This low activity was a consequence of La Niña that persisted from the summer of the year. It had the fifth-latest start in the basin on record, slightly behind 1973, and was the first to start that late since 2016. The first half of the season was unusually inactive, with only four systems, two named storms and one typhoon at the end of July. Additionally, the JTWC recorded no tropical cyclone development in the month of July, the first such occurrence since reliable records began. The season's first named tropical cyclone, Vongfong, developed on May 8, while the season's last named tropical cyclone, Krovanh, dissipated on December 24. However, the season's last system was an unnamed tropical depression which dissipated on December 29.
Tropical Storm Usagi was a weak but deadly tropical cyclone that impacted Vietnam and Thailand on early-August 2001. The eighteenth tropical cyclone and the thirteenth named storm of the 2001 Pacific typhoon season, Usagi originated from an area of convection persisted over the South China Sea on August 8. Over low to moderate wind shear, it moved slowly to the west, strengthening to a tropical depression on the same day. Despite favorable conditions, upper-level easterlies inhibited the storm for further intensification while moving westward. However, the JMA, JTWC, and the CMA upgraded the system to a tropical storm, with the former naming it Usagi, shortly before making landfall on Ha Tinh, Vietnam on August 10. It weakened inland and was last noted over Thailand, the next day.
Tropical Storm Fung-wong, known in the Philippines as Tropical Storm Mario, was a relatively weak tropical cyclone which affected the northern Philippines, Taiwan and the Eastern China. The sixteenth named storm of the 2014 typhoon season, Fung-wong caused severe flooding in Luzon, especially Metro Manila.
Severe Tropical Storm Linfa, known in the Philippines as Severe Tropical Storm Egay, was a tropical cyclone that affected the northern Philippines, Taiwan and southern China in early July 2015. The tenth named storm of the annual typhoon season, Linfa developed on July 1 over in the Philippine Sea. It moved erratically westward toward the Philippines, eventually striking the island of Luzon on July 4. Linfa weakened across the island, but reorganized over the South China Sea. It turned northward and strengthened to near typhoon intensity, or winds of 120 km/h (75 mph), but weakened as it curved to the northwest toward southern China. On July 9, the storm made landfall along the Chinese province of Guangdong, dissipating the next day west of Hong Kong.
The 2020 Central Vietnam floods were a series of floods in Central Vietnam, which also affected some areas in Cambodia and Laos in October and early November 2020. The floods focused heavily in several provinces including Thừa Thiên Huế, Hà Tĩnh, Quảng Bình, Quảng Trị, and Quảng Ngãi. The floods were mainly caused by the seasonal monsoon, though enhanced by numerous tropical cyclones.
Typhoon Saudel, known in the Philippines as Typhoon Pepito, was a typhoon that affected the Philippines, Vietnam and Southern China in October 2020. It was seventeenth tropical storm and seventh typhoon of the 2020 Pacific typhoon season. The name Saudel was used for the first time, replacing Typhoon Soudelor in 2015, which caused serious damage in Taiwan and Mainland China. Saudel formed from a tropical disturbance east of the Philippines. The disturbance gradually organized and crossed the Philippines as a tropical storm. Once the system emerged into the South China Sea, it began to rapidly organize and intensify, becoming a typhoon early on October 22.
Tropical Storm Linfa was a weak, short-lived but deadly and destructive tropical cyclone that was the twelfth wettest tropical cyclone on record and the second of nine tropical cyclones in a row to strike Vietnam in 2020, a little under a month after the less damaging Tropical Storm Noul. The fifteenth named storm of the 2020 Pacific typhoon season, Linfa originated from a tropical depression which formed just to the west of the Philippines on October 6. After passing through the island nation, the storm emerged into the South China Sea and slowly gained strength, earning the name Linfa on October 10 on approach to Vietnam. On the next day, Linfa had reached peak strength and made landfall in Vietnam, marking the beginning of a devastating series of floods in the country and worsening the already active monsoon season. Linfa quickly dissipated as it moved inland, but associated thunderstorms continued for several days.
