Tropical cyclones in 2017
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During 2017 tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 146 tropical cyclones had formed. 88 tropical cyclones had been named by either a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center (TCWC). The strongest and deadliest tropical cyclone was Hurricane Maria with a minimum barometric pressure of 908 mbar (hPa; 26.81 inHg) and killing 3,000 people in Puerto Rico and Dominica. The costliest tropical cyclone of the year was Hurricane Harvey in the Atlantic, which struck Houston metropolitan area in August causing US$125 billion in damage, tying with Hurricane Katrina as the costliest tropical cyclone worldwide.
The most active basin in the year was the Western Pacific, which documented 27 named systems. However, the season had slightly below-average activity, and was the first season since 1977 to feature zero Category 5-equivalent super typhoons forming in the basin. The Eastern Pacific, despite amounting to 18 named systems, which constitutes above-average activity, was also significantly less active than the previous three Pacific hurricane seasons (2014, 2015 and 2016). However, the North Atlantic featured 17 named storms, and was the costliest tropical cyclone season on record. It also had the fifth-most named storms since reliable records began in 1851 – tied with 1936 – and the most major hurricanes since 2005.
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