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The most intense storm in the Eastern Pacific Ocean by both sustained winds and central pressure was Hurricane Patricia. Its sustained winds of 345 km/h (215 mph) are also the highest on record globally. Storms with a minimum central pressure of 925 hPa (27.32 inHg) or less are listed.
Hurricane Opal, the most intense Category 4 hurricane recorded, intensified to reach a minimum pressure of 916 mbar (hPa; 27.05 inHg), [54] a pressure typical of Category 5 hurricanes. [55] Nonetheless, the pressure remains too high to list Opal as one of the ten strongest Atlantic tropical cyclones. [11]
Wind measuring has been standardized globally to reflect the winds at 10 metres (33 ft) above mean sea level, [nb 1] and the maximum sustained wind represents the highest average wind over either a one-minute (US) or ten-minute time span (see the definition, below), anywhere within the tropical cyclone. Surface winds are highly variable due to ...
^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.
Hurricane Patricia was the most powerful tropical cyclone on record worldwide in terms of maximum sustained winds and the second-most intense on record worldwide in terms of pressure, with a minimum atmospheric pressure of 872 mbar (hPa; 25.75 inHg), behind Typhoon Tip's 870 mbar. [1]
On the Saffir-Simpson Hurricane Wind Scale, a major hurricane means a Category 3 or higher. The scale includes five categories based on the storm's sustained wind speeds. ... The highest is ...
A Category 4 hurricane has winds of 113 to 136 kn (130 to 157 mph; 209 to 252 km/h), while a Category 5 hurricane has winds of at least 137 kn (158 mph; 254 km/h). [1] [3] A post tropical cyclone is a system that has weakened, into a remnant low or has dissipated and formal advisories are usually discontinued at this stage. [1]
Wind speeds in knots are then converted to other units and rounded to the nearest 5 mph or 5 km/h. [2] The Saffir–Simpson hurricane wind scale is used officially only to describe hurricanes that form in the Atlantic Ocean and northern Pacific Ocean east of the International Date Line.