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In terms of wind speed, Allen from 1980 was the strongest Atlantic tropical cyclone on record, ... Wilma 2005 – 975 millibars (28.8 inHg) to 892 millibars ...
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]
^α Although Luis produced the highest confirmed wave height for a tropical cyclone, it is possible that Hurricane Ivan produced a wave measuring 131 feet (40 m). [41]^β It is believed that reconnaissance aircraft overestimated wind speeds in tropical cyclones from the 1940s to the 1960s, and data from this time period is generally considered unreliable.
Late on October 10, Tip attained wind speeds equal to Category 4 strength on the Saffir–Simpson Hurricane Scale (SSHS), and it became a super typhoon on the next day. The central pressure dropped by 92 hPa (2.72 inHg) from October 9 to 11, during which the circulation pattern of Typhoon Tip expanded to a record diameter of 2,220 km (1,380 mi).
These areas (except the JTWC) use three-minute or ten-minute averaged winds to determine the maximum sustained wind speed, creating an important difference which frustrates direct comparison between maximum wind speeds of storms measured using the Saffir–Simpson hurricane wind scale (usually 14% more intense) and those measured using a ten ...
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]
Category 4 hurricanes have maximum sustained winds of 113–136 knots (130–156 mph, 209–251 km/h). [1] " Sustained winds" refers to the average wind speed observed over one minute at a height of 10 meters (33 ft) above ground.
Hurricane Allen was the strongest Atlantic hurricane by wind speed on record. ... Its minimum pressure of 899 millibars was the second-lowest pressure on record for ...