The 1990 Pacific typhoon season was another active season. It has no official bounds; it ran year-round in 1990, but most tropical cyclones tend to form in the northwestern Pacific Ocean between May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.
The 1977 Pacific typhoon season was one of the least active Pacific typhoon seasons on record, with only 19 tropical storms forming. It was also the second of three known typhoon seasons during the satellite era to not produce a Category 5-equivalent super typhoon, sandwiched between the 1974 and 2017 seasons. The season's first storm, Severe Tropical Storm Patsy, formed on March 23 and the last, Typhoon Mary, dissipated on January 2, 1978. With Mary spanning two calendar years, it became the fourth typhoon to do so since 1945. Since then, two other typhoons have achieved this feat.
The 2018 Pacific typhoon season was at the time, the costliest Pacific typhoon season on record, until the record was beaten by the following year. The season was well above-average, producing twenty-nine storms, thirteen typhoons, seven super typhoons and six Category 5 tropical cyclones. The season ran throughout 2018, though most tropical cyclones typically develop between May and October. The season's first named storm, Bolaven, developed on January 3, while the season's last named storm, Man-yi, dissipated on November 28. The season's first typhoon, Jelawat, reached typhoon status on March 29, and became the first super typhoon of the year on the next day.
Severe Tropical Storm Rumbia, known in the Philippines as Tropical Storm Gorio, was a tropical cyclone that brought widespread flooding in areas of the Philippines and China late June and early July 2013. The sixth internationally named storm of the season, Rumbia formed from a broad area of low pressure situated in the southern Philippine Sea on June 27. Steadily organizing, the initial tropical depression moved towards the northwest as the result of a nearby subtropical ridge. On June 28, the disturbance strengthened to tropical storm strength, and subsequently made its first landfall on Eastern Samar in the Philippines early the following day. Rumbia spent roughly a day moving across the archipelago before emerging into the South China Sea. Over open waters, Rumbia resumed strengthening, and reached its peak intensity with winds of 95 km/h (50 mph) on July 1, ranking it as a severe tropical storm. The tropical cyclone weakened slightly before moving ashore the Leizhou Peninsula late that day. Due to land interaction, Rumbia quickly weakened into a low pressure area on July 2 and eventually dissipated soon afterwards.
Tropical Storm Rumbia, known in the Philippines as Tropical Storm Toyang, brought deadly flooding to the central and southern Philippines in November and December 2000. The last of three consecutive tropical cyclones of at least tropical storm intensity to strike the Philippines, Rumbia began as a tropical depression on November 27, gradually intensifying to reach tropical storm intensity the next day. Strengthening later stagnated, and Rumbia would weaken back to depression status as it made landfall on the central Philippines on December 1. Though the Japan Meteorological Agency (JMA) determined Rumbia to have dissipated on December 2, the Joint Typhoon Warning Center (JTWC) continued to monitor the system over the next few days as it tracked across the South China Sea. For a period of time beginning on December 5, Rumbia reorganized and strengthened back to tropical storm intensity before wind shear began to weaken the system. Located south of Vietnam on December 7, the storm's circulation center became devoid of convection, and by then Rumbia was declared by the JTWC to have dissipated.
Tropical Storm Rumbia was a rather weak but very destructive tropical cyclone that caused widespread and disastrous flooding in East China in August 2018. The twenty-second officially recognized tropical cyclone of the 2018 Pacific typhoon season, Rumbia developed from an area of low pressure that developed southeast of the Ryukyu Islands on August 13. Favorable environmental conditions supported development of the low into a tropical depression by August 15. At 12:00 UTC that day, the depression strengthened into Tropical Storm Rumbia, which refers to the Sago palm. Initially moving northward, the cyclone turned westward in response to a building ridge to its northeast while slowly strengthening, reaching its peak intensity with maximum 10-minute sustained winds of 85 km/h (50 mph) on August 16. At 20:05 UTC that day, the storm made landfall in Shanghai at peak intensity, maintaining its strength as it moved inland due to ample environmental moisture. However, Rumbia began to weaken as it continued further inland, degenerating into a tropical depression on August 17 shortly before becoming extratropical over central China. The extratropical remnants of Rumbia accelerated northeastward into the Russian Far East, where they dissipated on August 23.
Tropical Storm Pulasan, known in the Philippines as Tropical Storm Helen, was a tropical cyclone that impacted East China, Japan, South Korea and the Philippines in September 2024. Pulasan developed over the Philippine Sea as a tropical depression on September 15 and strengthened into the fourteenth named storm of the annual typhoon season the following day. After gaining organization, the system rapidly developed and reached its peak intensity with winds of 85 km/h and a central pressure of 992 hPa. Pulasan then turned northwestward, eventually moving across Okinawa Island and making landfall in Zhoushan, Zhejiang, followed by a second landfall in Shanghai, just days after Typhoon Bebinca affected the Shanghai area on September 19. As the storm moved overland, it maintained a well-defined circulation center; however, it gradually turned northeastward under the influence of prevailing mid-latitude westerlies. Pulasan reemerged over the East China Sea, just off the coast of China, showcasing a large, near-symmetric area of deep convection to the southeast on September 20. By 06:00 UTC on September 21, Pulasan had transitioned into an extratropical low as it moved east-northeastward and became embedded within the polar front jet to the north, passing over southern South Korea. The extratropical storm entered the Sea of Japan on September 22, crossed the Tōhoku region, and then emerged into the Pacific Ocean while being absorbed by another extratropical cyclone. The extratropical remnants of Pulasan were last noted by the Japan Meteorological Agency on September 24 near the International Dateline; however, the Ocean Prediction Center indicated that these remnants crossed the International Dateline and entered the Central North Pacific Ocean late on September 25. Afterward, the remnants gradually approached the coast of British Columbia, making landfall on September 27 and dissipating after moving inland the same day.
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