Great Hurricane of 1780
|Category 5 major hurricane (SSHWS/NWS)|
|Formed||October 9, 1780|
|Dissipated||October 20, 1780|
|Highest winds||1-minute sustained: 200 mph (320 km/h) |
Gusts: 230 mph (370 km/h)
|Lowest pressure||915 mbar (hPa); 27.02 inHg|
(Deadliest Atlantic hurricane on record)
|Areas affected||Lesser Antilles, Puerto Rico, Hispaniola, Bermuda, possibly East Florida and some U.S. states|
|Part of the 1780 Atlantic hurricane season|
The Great Hurricane of 1780, also known as Huracán San Calixto, the Great Hurricane of the Antilles, and the 1780 Disaster, is the deadliest Atlantic hurricane on record. Between 20,000 and 24,000 people died throughout the Lesser Antilles when the storm passed through them from October 10–16. Specifics on the hurricane's track and strength are unknown because the official Atlantic hurricane database goes back only to 1851.
The hurricane struck Barbados likely as a Category 5 hurricane, with at least one estimate of wind speeds as high as 320 km/h (200 mph)(greater than any in recorded history) before moving past Martinique, Saint Lucia, and Sint Eustatius and causing thousands of deaths on those islands. Coming in the midst of the American Revolution, the storm caused heavy losses to the British fleet contesting for control of the area, largely weakening British control over the Atlantic. The hurricane later passed near Puerto Rico and over the eastern portion of Hispaniola, causing heavy damage near the coastlines. It ultimately turned to the northeast and was last observed on October 20 southeast of Atlantic Canada.
The death toll from the Great Hurricane alone exceeds that of many entire decades of Atlantic hurricanes. Estimates are marginally higher than for Hurricane Mitch, the second-deadliest Atlantic storm, for which figures are likely more accurate. The hurricane was part of the disastrous 1780 Atlantic hurricane season, with two other deadly storms occurring in October.
This hurricane was first encountered by a boat in the eastern Caribbean Sea, but it probably developed in early October in the eastern Atlantic Ocean off the Cape Verde Islands. The system strengthened and expanded as it tracked slowly westward and first began affecting Barbados late on October 9. Late on October 10, the worst of the hurricane passed over the island. Early on October 11, the hurricane turned north-northwest about 90 kilometres (56 mi) east of Saint Lucia, and later that night it neared the island of Martinique. The cyclone gradually weakened as it passed to the southwest of Dominica early on October 12 and subsequently struck the island of Guadeloupe.
After hitting Guadeloupe, the hurricane turned west-northwest, passing about 145 kilometres (90 mi) southwest of Saint Kitts. The hurricane steadily neared Puerto Rico as it paralleled the southern coastline, and on October 14 made its closest point of approach, to the southwest portion of the island. It subsequently turned to the northwest, going through the Mona Passage before making landfall near the present-day Dominican Republic province of Samaná. Late on October 15, it reached the Atlantic Ocean and after passing about 260 kilometres (160 mi) east of Grand Turk Island; it is estimated to have recurved to the northeast. The hurricane passed 240 kilometres (150 mi) southeast of Bermuda on October 18, and was last observed two days later about 475 kilometres (295 mi) southeast of Cape Race, Newfoundland, Canada.
On October 19, strong winds and high tides were reported in the British province of East Florida (the northeastern portion of present-day Florida). One modern historian suggests the hurricane passed much closer to the province than previously thought.[who?] Another possibility considered was an extension to a hurricane in the western Caribbean Sea. Because of lack of data, the exact track of the Great Hurricane is unknown.
About 4,500 people died on Barbados. The hurricane began affecting the island with rain late on October 9. The ships in the bay broke their moorings by 4:00 the afternoon of October 10, and the full impact arrived around 6:00 in the evening. The hurricane produced violent winds "so deafening that people could not hear their own voices."
... a dreadful hurricane which began to rage with great fury at noon [the 10th] and continue with great violence till four o'clock the next morning, the 11th; At eight o'clock at night St. Thomas's parsonage was demolished and the church where the Rector and his family sought shelter began to fall about two hours after, the Chancel fell while the family were in the church ... St. Thomas's Chapel, St. Michael's, St. George's, Christ Church's and St. Lucy's churches were totally destroyed, the other churches were severely 'injured' (except St. Peter's and St. Philip's). Because of the demolition of the parish church and chapel[,] 'divine services' continued in the 'boiling house' at the 'Rock Hall' estate of Thomas Harper by Rev Wm Duke and curate Hugh Austin of St Thomas. Most other buildings and works were blown down and many lives were lost. The dead could not be brought to a church so were buried in gardens and private land.
The hurricane stripped the bark off trees and left none standing on Barbados. Cuban meteorologist José Carlos Millás has estimated that this damage could be caused only by winds exceeding 200 miles per hour (320 km/h). Every house and fort on Barbados was destroyed. According to British Admiral George Brydges Rodney, the winds carried their heavy cannons aloft 100 feet (30 m).
The wind directions recorded during the hurricane suggest that the eye missed Barbados to the north. Northwesterly winds increased through the day on October 10. The wind gradually backed to westerly through the night of October 10 and peaked at midnight. Wind speed returned to normal by 8:00 the morning of October 11.
The hurricane later grounded 50 ships near Bermuda.
The hurricane produced a 25-foot (7.6 m) storm surge on Martinique, destroying all houses in Saint-Pierre and causing 9,000 deaths. A storm surge also struck the south coast of Guadeloupe and caused considerable damage.
On Saint Lucia, rough waves and a strong storm tide struck the fleet of Admiral Rodney at Port Castries, with one ship destroying the city's hospital after being lifted on top of it. The hurricane destroyed all but two houses in Port Castries, and about 6,000 perished on the island.
A Dutch sea-officer was on a ship that was blown from Sint Eustatius to Martinique. When he returned to Sint Eustatius, he reported on the damage in Saint-Pierre, Martinique, Saint Vincent, and St. Lucia. He said that on Sint Eustatius, "some houses are destroyed" and merchandise left on the beach was ruined by sea water. He did not mention a dramatic death toll on the island. He also said that the situation there was not as bad as on the French and English islands.
Among the ships lost from Rodney's fleet were the frigates HMS Phoenix, which was wrecked on the Cuban coast, and HMS Blanche, which disappeared without a trace. The sixth rate frigates HMS Andromeda and HMS Laurel were wrecked on Martinique with heavy loss of life. By far the worst losses in the British fleet, however, were under the command of Vice Admiral Peter Parker and Rear-Admiral Joshua Rowley. At the time of the hurricane, Rowley was off the coast of New York with a portion of the fleet, including HMS Sandwich. Parker was in Port Royal, Jamaica. Many of their ships, however, were in the hurricane's path. Among the losses were HMS Thunderer, HMS Stirling Castle, HMS Scarborough, HMS Barbados, HMS Deal Castle, HMS Victor, and HMS Endeavour. Almost all of their crews died. Seven other ships were dismasted.:58
A fleet of 40 French ships involved in the American Revolutionary War was struck off Martinique during the hurricane. Several hundred soldiers and about 9,000 civilians died, but among the French military losses was only the frigate Junon.:114
The storm was named the San Calixto hurricane in Puerto Rico because the eye of the cyclone made landfall there on October 14, the Christian feast day of Pope Callixtus I, venerated by the Roman Catholic Church as Saint Callixtus ("San Calixto" in Spanish). Since European arrival in the Americas in 1492, all storms and hurricanes were named after the name of the saint of the day the storm hit Puerto Rico; for example, the 1867 San Narciso hurricane, the 1899 San Ciriaco hurricane, the 1928 San Felipe hurricane, and the 1932 San Ciprian hurricane were also named after the feast day on which they occurred.
In 1953, the United States Weather Bureau (now the National Weather Service) started naming hurricanes by female human names until 1978, when both gender names began to be used after control over naming was relinquished to the World Meteorological Organization. Yet it was only in 1960 that hurricanes stopped being officially named after saints in Puerto Rico; the only two cyclones to ever have both an official woman name and an informal saint name were Hurricane Betsy (Santa Clara, August 12, 1956) and Hurricane Donna (San Lorenzo, September 5, 1960).
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