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Deadliest tropical cyclone season: 500,805+ fatalities during the 1970 North Indian Ocean cyclone season: May 2, 1970 – November 29, 1970: North Indian Ocean [9] Most tornadoes formed: 120 confirmed tornadoes: September 15, 2004 – September 18, 2004: Hurricane Ivan in the southern and eastern United States [10] Highest wind gusts: 113.4 m/s ...
The most intense tropical cyclone in the South-West Indian Ocean was Cyclone Gafilo. By 10-minute sustained wind speed, the strongest tropical cyclone in the South-West Indian Ocean was Cyclone Fantala. Storms with an intensity of 920 hPa (27.17 inHg) or less are listed. Storm information was less reliably documented and recorded before 1985. [6]
The HDP index was later modified to further include tropical storms, that is, all wind speeds of at least 34 knots (≥ 63 km/h; 39 mph), [4] to become the accumulated cyclone energy index. [6] The highest ACE calculated for a single tropical cyclone on record worldwide is 87.01, set by Cyclone Freddy in 2023. [7]
Learn about the formation and characteristics of hurricanes, typhoons and tornadoes.
Highest forward speed of a tropical cyclone: Tropical Storm Six – 1961 – 69 mph (111 km/h) Most tornadoes spawned by a tropical cyclone: Hurricane Ivan – 2004 – 120 confirmed tornadoes [83] Smallest tropical cyclone on record: Tropical Storm Marco – 2008 – gale-force winds extended 11.5 mi (18.5 km) from storm center
Peak Wind Speed: 175 mph. Deaths: 65. What happened: The Category 5 hurricane is considered one of the most destructive hurricanes to hit Florida. Andrew was the costliest hurricane in Florida’s ...
These warnings use a 1-minute sustained wind speed and can be compared to the Saffir–Simpson hurricane wind scale, however, regardless of intensity in this basin the JTWC labels all systems as tropical cyclones with TC numbers (plus any parenthesized names or placeholders, like typhoons and North Indian Ocean cyclones above). [18]
Wind Swath of Hurricane King over Miami. Tropical cyclone wind speed climatology is the study of wind distribution among tropical cyclones, a significant threat to land and people. Since records began in 1851, winds from hurricanes, typhoons and cyclones have been responsible for fatalities and damage in every basin.