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- The 2018 Pacific hurricane season was an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the eastern Pacific Ocean. The season officially started on May 15 in the eastern Pacific—east of 140°W—and began on June 1 in the central Pacific—the region between the International Date Line and 140°W, and ended on November 30. These dates typically cover the period of each year when most tropical cyclones form in the eastern Pacific basin. The season began with the formation of Tropical Depression One-E, which developed on May 10, and ended with the dissipation of the season's final storm, Tropical Storm Xavier, which dissipated as a tropical cyclone on November 5. The 2018 hurricane season was exceptionally active and featured the highest Accumulated Cyclone Energy since reliable records began in 1971. Throughout the season, 26 tropical depressions developed, 23 of which became tropical storms. A total of 13 tropical storms reached hurricane strength, and 10 hurricanes achieved major hurricane intensity. The basin saw above-average activity across all regions from the International Date Line to the west coast of Mexico and Central America. Activity peaked from early August to early October, with several long-lived and powerful hurricanes developing in that time period. Several storms severely affected land, such as Hurricane Lane in Hawaii and Hurricane Willa in Mexico. In contrast to the similarly active 2015 Pacific hurricane season, 2018 was not significantly influenced by the El Niño–Southern Oscillation. Instead, low pressures and increased sea surface temperatures associated with the Pacific Meridional Mode supported the development of these intense and long-lived storms. Four time zones are utilized in the basin: Central for storms east of 106°W, Mountain between 114.9°W and 106°W, Pacific between 140°W and 115°W, and Hawaii–Aleutian for storms between the International Date Line and 140°W. However, for convenience, all information is listed in Coordinated Universal Time (UTC) first with the respective local time included in parentheses. This timeline includes information that was not released while the storm was active, meaning that data from post-storm reviews by the National Hurricane Center is included. This timeline documents the formation of tropical cyclones as well as the strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. (en)
- 2018年太平洋颶風季于5月15日在西经140度线以东的东太平洋正式开始，6月1日在西经140度线至国际日期变更线之间的中太平洋开始，11月30日结束，传统上每年国际日期变更线以东绝大多数熱帶氣旋都是这段时间形成。5月10日第一E号热带低气压成型拉开飓风季序幕，11月5日热带风暴泽维尔失去热带天气系统特征，提前为飓风季划上句点。 2018年太平洋飓风季非常活跃，气旋能量指数创下1971年开始有纪录以来新高。全季共形成26个热带低气压，其中23个增强成热带风暴，13个达到飓风强度，十场达大型飓风标准。国际日期变更线到墨西哥与中美洲西海岸所有海域的热带天气活动都超出往年均值 。八月初到十月初东太平洋热带天气活动达到顶峰，形成许多持续时间的强劲飓风。许多风暴重创陆地，如袭击夏威夷的飓风莱恩，吹袭墨西哥的飓风威拉。2015年太平洋颶風季的活跃度类似，但2018年厄尔尼诺-南方振荡现象影响不大，这些经久不息的强烈风暴大多是由低气压 、海面温度上升、共同影响形成。 西经106度以东的风暴采用北美中部时区，114.9至106度间采用北美山区时区，140至115度采用太平洋时区，140度至国际日期变更线采用夏威夷－阿留申時區，但为方便起见，本文统一采用协调世界时。2018年太平洋飓风季时间轴记载全季所有热带或亚热带气旋形成、增强、减弱、登陆，转变成溫帶氣旋及消散的具体信息，还包括飓风季期间没有发布的信息，如美国国家飓风中心飓风季过后重新分析并回顾各风暴时的更新，包括最大持续风速、位置、距离在内的所有数字均四舍五入成整数。 (zh)
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- The 2018 Pacific hurricane season was an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the eastern Pacific Ocean. The season officially started on May 15 in the eastern Pacific—east of 140°W—and began on June 1 in the central Pacific—the region between the International Date Line and 140°W, and ended on November 30. These dates typically cover the period of each year when most tropical cyclones form in the eastern Pacific basin. The season began with the formation of Tropical Depression One-E, which developed on May 10, and ended with the dissipation of the season's final storm, Tropical Storm Xavier, which dissipated as a tropical cyclone on November 5. (en)
- 2018年太平洋颶風季于5月15日在西经140度线以东的东太平洋正式开始，6月1日在西经140度线至国际日期变更线之间的中太平洋开始，11月30日结束，传统上每年国际日期变更线以东绝大多数熱帶氣旋都是这段时间形成。5月10日第一E号热带低气压成型拉开飓风季序幕，11月5日热带风暴泽维尔失去热带天气系统特征，提前为飓风季划上句点。 2018年太平洋飓风季非常活跃，气旋能量指数创下1971年开始有纪录以来新高。全季共形成26个热带低气压，其中23个增强成热带风暴，13个达到飓风强度，十场达大型飓风标准。国际日期变更线到墨西哥与中美洲西海岸所有海域的热带天气活动都超出往年均值 。八月初到十月初东太平洋热带天气活动达到顶峰，形成许多持续时间的强劲飓风。许多风暴重创陆地，如袭击夏威夷的飓风莱恩，吹袭墨西哥的飓风威拉。2015年太平洋颶風季的活跃度类似，但2018年厄尔尼诺-南方振荡现象影响不大，这些经久不息的强烈风暴大多是由低气压 、海面温度上升、共同影响形成。 (zh)
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