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However, with a barometric pressure of 895 mbar (hPa; 26.43 inHg), Rita is the strongest tropical cyclone ever recorded in the Gulf of Mexico. [64] In between Rita and Katrina is Hurricane Allen. Allen's pressure was measured at 899 mbar. Hurricane Camille is the sixth strongest hurricane on record.
This is the lowest central pressure on record for any Atlantic hurricane, [2] breaking the previous record of 888 mbar (26.2 inHg) set by Hurricane Gilbert in 1988. [4] Wilma's intensification rate broke all records in the basin, with a 24–hour pressure drop of 97 mbar (2.9 inHg); this also broke the record set by Gilbert.
The most intense storm by lowest pressure and peak 10-minute sustained winds was Typhoon Tip, which was also the most intense tropical cyclone ever recorded in terms of minimum central pressure. Storms with a minimum pressure of 899 hPa (26.55 inHg) or less are listed. Storm information was less reliably documented and recorded before 1950. [6]
Late on October 17, a hurricane hunters flight into Wilma recorded winds of 50 mph (80 km/h), but an unusually low pressure of 989 millibars (29.2 inHg), which would be more typical of a minimal hurricane. This was due to unusually low pressures across the region, which resulted in a lesser pressure gradient and thus lighter winds. Convection ...
Camille produced the sixth lowest official sea level pressure ever recorded in the Atlantic basin, at 900 millibars (27 inHg). [8] This was also its landfalling pressure; the only hurricane to hit the United States with a lower pressure at landfall was the Labor Day Hurricane of 1935.
Katrina's pressure ranked as the fifth-lowest on record in the Atlantic basin and the second-lowest in the Gulf of Mexico. [2] [39] [nb 5] At its peak, Katrina's radius of maximum wind of 35 mi (56 km) was among the largest for a hurricane of its intensity. [43]
The barometric pressure hit a record low of 945.5 mbar (27.92 inHg) over Atlantic City, New Jersey, breaking the previous record of 961 mbar (28.4 inHg) set in 1938. [56] Sandy also broke the record for producing the lowest pressure in Philadelphia, with a minimum of 954 mbar (28.2 inHg); the previous record was 962 mbar (28.4 inHg), set during ...
However, Helene's lowest barometric pressure of 930 mbar (930 hPa; 27 inHg) was recorded earlier during the day. [3] Still moving northwestward due to the influence of the Azores High, the hurricane came within 10 mi (16 km) of the US East Coast before recurving towards the northeast out to sea. [1]