The 1872 Atlantic hurricane season was quiet, lasting from mid-summer through mid-autumn. There were five tropical cyclones, of which four attained hurricane status. However, 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 and zero to four per year between 1886 and 1910 has been estimated. Of the known 1872 cyclones, significant changes were made to the tracks of Hurricane Two and Hurricane Four in 1995 by Jose Fernandez-Partagas and Henry Diaz, who also proposed smaller changes to the known track of Hurricane Three. Further analysis, in 2003, revised the track of Hurricane Five. Season summary The Atlantic hurricane database (HURDAT) recognizes five tropical cyclones for the 1872 season. Four storms attained hurricane status, with winds of 75 mph (119 km/h) or greater. Only two of the systems directly impacted land. The second hurricane of the season, was the most intense, with maximum sustained winds up to 100 mph (170 km/h). The first storm of the season was a tropical storm that developed in the Gulf of Mexico on July 9 and made landfall along the US Gulf coast before dissipating over Tennessee. Hurricane Two, the strongest storm of the season, traveled across the Atlantic from Cape Verde to Newfoundland between August 20 and September 1. Hurricane Three grew from a tropical storm that formed east of the Lesser Antilles. It traveled north and developed into a hurricane, but never made landfall and was last observed on September 19. Hurricane Four also never made landfall. Growing from a tropical storm first seen south-west of the Cape Verde Islands, it traveled across the Atlantic and was last seen near the Azores on October 6. The final storm of the season began as a tropical storm in the Gulf of Mexico on October 22. It crossed the Florida peninsula and hit South Carolina as a category 1 hurricane. It was last sighted on October 27. Systems Tropical Storm One Tropical Storm One formed in the central Gulf of Mexico on July 9. Tropical Storm One struck Louisiana and Mississippi before being last seen over Tennessee on July 13. Hurricane Two Hurricane Two formed near Cape Verde on August 20. Hurricane Two headed across the Atlantic