1866 Atlantic hurricane season
| 1866 Atlantic hurricane season | |
|---|---|
Season summary map
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| Seasonal boundaries | |
| First system formed | July 11, 1866 |
| Last system dissipated | October 30, 1866 |
| Strongest storm | |
| Name | Six |
| • Maximum winds | 140 mph (220 km/h) (1-minute sustained) |
| • Lowest pressure | 938 mbar (hPa; 27.7 inHg) |
| Seasonal statistics | |
| Total depressions | 7 |
| Total storms | 7 |
| Hurricanes | 6 |
| Total fatalities | 383 |
| Total damage | Unknown |
| Category 2 hurricane (SSHWS) | |
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| Duration | July 11 – July 16 |
|---|---|
| Peak intensity | 105 mph (165 km/h) (1-min) 969 mbar (hPa) |
| Category 2 hurricane (SSHWS) | |
 |
|
| Duration | August 13 – August 18 |
|---|---|
| Peak intensity | 105 mph (165 km/h) (1-min) |
| Category 1 hurricane (SSHWS) | |
 |
|
| Duration | September 4 – September 7 |
|---|---|
| Peak intensity | 80 mph (130 km/h) (1-min) |
| Category 2 hurricane (SSHWS) | |
 |
|
| Duration | September 22 – September 24 |
|---|---|
| Peak intensity | 105 mph (165 km/h) (1-min) |
| Category 4 hurricane (SSHWS) | |
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| Duration | September 24 – October 5 |
|---|---|
| Peak intensity | 140 mph (220 km/h) (1-min) 938 mbar (hPa) |
| Tropical storm (SSHWS) | |
 |
|
| Duration | October 29 – October 30 |
|---|---|
| Peak intensity | 70 mph (110 km/h) (1-min) |
The 1866 Atlantic hurricane season was originally one of only four Atlantic hurricane seasons in which every known tropical cyclone attained hurricane status, along with 1852, 1858, and 1884. Initially, there were three known storms during the season, but a re-analysis confirmed the increased activity. There were also two other systems that were included as tropical cyclones at one time, although both were considered to have been other storms already in the database. All tropical activity occurred between the middle of July and the end of October. There may have been additional unconfirmed tropical cyclones during the season. Meteorologist Christopher Landsea estimates that up to six storms were missed from the official database, due to small tropical cyclone size, sparse ship reports, and relatively unpopulated coastlines.
Every storm but the fourth hurricane affected land during the season. The first hurricane hit Matagorda, Texas in July, the only one of the season to hit the United States as a hurricane. A month later a hurricane made two landfalls in Mexico. The third hurricane of the season formed near Bermuda and was last observed along the southern coast of Newfoundland. A few weeks later another storm executed a similar track, although it struck Newfoundland as a hurricane and caused damage. The most notable storm of the season was the Great Nassau Hurricane, which killed at least 383 people in the Turks and Caicos, Bahamas, and the western Atlantic Ocean. It attained winds of 140 mph (220 km/h), which is a Category 4 on the modern-day Saffir-Simpson Hurricane Scale. The final hurricane developed over the Bahamas and later struck New Jersey, producing strong winds and high tides across New England.
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Wikipedia