1864 Atlantic hurricane season
http://dbpedia.org/resource/1864_Atlantic_hurricane_season an entity of type: WikicatArticlesWhichContainGraphicalTimelines
The 1864 Atlantic hurricane season was the third consecutive Atlantic hurricane season with no hurricane landfall in the United States – the longest period on record. Of the five known 1864 cyclones, four were first documented in 1995 by Jose Fernandez-Partagas and Henry Diaz. In the absence of modern satellite and other remote-sensing technologies, only storms that affected populated land areas or encountered ships at sea were recorded, so the actual total could be higher. An undercount bias of zero to six tropical cyclones per year between 1851 and 1885 has been estimated. The first system was initially observed offshore the Southeastern United States on July 16. It peaked as a Category 1 hurricane on the modern day Saffir–Simpson hurricane wind scale. Moving rapidly northeastward, the s
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1864年大西洋飓风季是19世纪60年代连续第三个没有飓风登陆美国的大西洋飓风季，这项纪录至今依然保持。不过，考虑到当时缺乏包括气象卫星在内的现代观测手段，基本上只有那些在海上遇到船只或是吹袭有人类居住陆地的风暴才有文献记载，所以实际形成的热带气旋可能更多。气象学家（Christopher W. Landsea）估计，1851至1885年间实际形成的风暴数量可能比数据库中要多零到六场。全季确认存在的五个北大西洋热带气旋中有四个是由气象学家何塞·费尔南德斯-帕塔加斯（Jose Fernandez-Partagas）和亨利·迪亚兹（Henry Diaz）在1995年出版的文献中首度记载。7月16日，本季第一个天气系统在美国东南部近海出现，其最高强度可以在现代萨菲尔-辛普森飓风等级下达到一级飓风标准。气旋快速向东北移动，于7月18日从纽芬兰岛以东较远处洋面经过后失去踪影。 这年飓风季的活跃程度还经累积气旋能量指数反映出来，数值为61。大致来说，气旋能量指数通过飓风强度和持续时间计算，强度越高、持续时间越长的风暴，其指数也相应越高。只有在热带天气系统风速达到或超过每小时63公里（34节）或热带风暴强度时才会计算该指数，并纳入全面的气象公告，并且亚热带气旋的指数不会计入累积数值。
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1864 Atlantic hurricane season
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1864年大西洋飓风季
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hurricane
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The 1864 Atlantic hurricane season was the third consecutive Atlantic hurricane season with no hurricane landfall in the United States – the longest period on record. Of the five known 1864 cyclones, four were first documented in 1995 by Jose Fernandez-Partagas and Henry Diaz. In the absence of modern satellite and other remote-sensing technologies, only storms that affected populated land areas or encountered ships at sea were recorded, so the actual total could be higher. An undercount bias of zero to six tropical cyclones per year between 1851 and 1885 has been estimated. The first system was initially observed offshore the Southeastern United States on July 16. It peaked as a Category 1 hurricane on the modern day Saffir–Simpson hurricane wind scale. Moving rapidly northeastward, the storm was last noted well east of Newfoundland on July 18. The next system was observed in the south-central Gulf of Mexico on July 25. Because the cyclone was not tracked further, only a single-point storm path exists. After tropical cyclogenesis was dormant for over a month, another hurricane was spotted on August 26 to the east of the Lesser Antilles. Early on the following day, the hurricane crossed the islands between Dominica and Martinique. After traversing the Caribbean Sea, the storm made landfall in Belize late on August 31, before dissipating the next day. Offshore Belize, several ships encountered the storm. Along the coast, storm surge flooded some areas. The fourth tropical storm was observed off the East Coast of the United States between September 5 and September 9. A number of ships sailing in the vicinity of the storm encountered heavy gales. The fifth and final known tropical cyclone was also tracked offshore the East Coast of the United States. Similarly, many vessels experienced rough seas and severe thunderstorms.
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1864年大西洋飓风季是19世纪60年代连续第三个没有飓风登陆美国的大西洋飓风季，这项纪录至今依然保持。不过，考虑到当时缺乏包括气象卫星在内的现代观测手段，基本上只有那些在海上遇到船只或是吹袭有人类居住陆地的风暴才有文献记载，所以实际形成的热带气旋可能更多。气象学家（Christopher W. Landsea）估计，1851至1885年间实际形成的风暴数量可能比数据库中要多零到六场。全季确认存在的五个北大西洋热带气旋中有四个是由气象学家何塞·费尔南德斯-帕塔加斯（Jose Fernandez-Partagas）和亨利·迪亚兹（Henry Diaz）在1995年出版的文献中首度记载。7月16日，本季第一个天气系统在美国东南部近海出现，其最高强度可以在现代萨菲尔-辛普森飓风等级下达到一级飓风标准。气旋快速向东北移动，于7月18日从纽芬兰岛以东较远处洋面经过后失去踪影。 7月25日，第二场风暴在墨西哥湾中南部出现，但只能确认气旋曾在某位置经过，详细移动路线和强弱变化均已无从考证。经过一个多月的沉寂，小安的列斯群岛东侧海域于8月26日形成另一场飓风。次日清晨，风暴从多米尼克和马提尼克之间穿过。经过加勒比海后，气旋于8月31日晚登陆伯利兹，最终于次日逐渐消散。伯利兹近海有多艘船只遭遇风暴，沿海部分地区被风暴潮淹没。9月5至9日，第四号热带风暴在美国东岸近海活动，多艘船只在行进至气旋附近时遭遇强风。第五个热带气旋也出现在美国东岸近海，许多船只遇到强烈雷暴和恶劣海况。 这年飓风季的活跃程度还经累积气旋能量指数反映出来，数值为61。大致来说，气旋能量指数通过飓风强度和持续时间计算，强度越高、持续时间越长的风暴，其指数也相应越高。只有在热带天气系统风速达到或超过每小时63公里（34节）或热带风暴强度时才会计算该指数，并纳入全面的气象公告，并且亚热带气旋的指数不会计入累积数值。
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