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Radar image of Hurricane Alice (1954–55), the only Atlantic tropical cyclone on record to span two calendar years at hurricane strength. Climatologically speaking, approximately 97 percent of tropical cyclones that form in the North Atlantic develop between June 1 and November 30 – dates which delimit the modern-day Atlantic hurricane season.
Lists of Atlantic hurricanes, or tropical cyclones in the Atlantic Ocean, are organized by the properties of the hurricane or by the location most affected. By property [ edit ]
The list, which is sorted by U.S. state, begins in 1851 with the start of the official Atlantic hurricane database (HURDAT), as provided by the National Oceanic and Atmospheric Administration's Hurricane Research Division. Since 1851, a total of 307 North Atlantic hurricanes produced hurricane-force winds in 19 states along the Atlantic coast ...
The most intense hurricane (by barometric pressure) on record in the North Atlantic basin was Hurricane Wilma (882 mbar). [12] The largest hurricane (in gale diameter winds) on record to form in the North Atlantic was Hurricane Sandy (2012) with a gale diameter of 870 miles (1,400 km). [52]
The Atlantic hurricane season is the period in a year, from June 1 through November 30, when tropical or subtropical cyclones are most likely to form in the North Atlantic Ocean. These dates, adopted by convention, encompass the period in each year when most tropical cyclogenesis occurs in the basin .
Hurricane Katrina and Hurricane Harvey in the northern Gulf Coast of the United States [5] Costliest tropical cyclone season: ≥$294.803 billion (2017 USD) in damages during the 2017 Atlantic hurricane season: April 19, 2017 – November 9, 2017: North Atlantic Ocean [6] Deadliest tropical cyclone: c. 500,000+ fatalities: November 12, 1970
The costliest storms were hurricanes Katrina in August 2005 and Harvey in August 2017; each storm struck the U.S. Gulf Coast, causing $125 billion in damage, much of it from flooding. [nb 1] The most recent North Atlantic names to be retired were Fiona and Ian following the 2022 season.
The North Atlantic tropical cyclone basin is defined as the region of the Atlantic Ocean north of the equator, while other boundaries are mainly established by land areas. The Regional Specialized Meteorological Center (RSMC) for the North Atlantic basin is the NHC, which manages the warnings of tropical cyclones there. [5]