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Land-based records for Europe: Highest observed air pressure record: 22–23 January 1907 in Pärnu, Estonia and Riga, Latvia at 1067.1 mbar reported in peer-reviewed literature. [3] Other high values have been reported:
Highest air pressure ever recorded [above 750 meters (2,461 feet)]: 1084.8 hPa (32.03 inHg); Tosontsengel, Zavkhan, Mongolia, 19 December 2001. [331] This is the equivalent sea-level pressure ; Tosontsengel is located at 1,300 metres (4,300 ft) above sea level.
Minimum pressure Highest wind gust Damage (GBP/EUR) Areas affected Notes Ex-Hurricane Lorenzo: 23 September 2019: 4 October 2019: 2019–2020: 954 hectopascals (28.2 inHg) [111] 101 miles per hour (163 km/h) £284 million / €330 million [208] West Africa, Cape Verde, Lesser Antilles, Eastern United States, Azores, United Kingdom, Ireland, France
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]
Largest continuous blow-down wind tunnel in the world, Mach 0.05 to 1. ONERA Modane S2MA wind tunnel [77] Operational Supersonic France Continuous-flow wind tunnel, Variable pressure, Mach 0.1 to Mach 3.0. PHEDRA (Arc-jet) high enthalpy wind tunnel [78] Operational Diameter 4.5 m (15 ft) by 2.1 m (6 ft 11 in)
High pressure systems are also called anticyclones. On English-language weather maps, high-pressure centers are identified by the letter H in English, [10] within the isobar with the highest pressure value. On constant pressure upper level charts, it is located within the highest height line contour. [11]
In aviation, a flight level (FL) is an aircraft's altitude as determined by a pressure altimeter using the International Standard Atmosphere. It is expressed in hundreds of feet or metres. The altimeter setting used is the ISA sea level pressure of 1013 hPa or 29.92 inHg. The actual surface pressure will vary from this at different locations ...
The Siberian High is the strongest semi-permanent high in the northern hemisphere and is responsible for both the lowest temperature in the Northern Hemisphere outside Greenland, of −67.8 °C (−90.0 °F) on 15 January 1885 at Verkhoyansk, and the highest pressure, 1083.8 mbar (108.38 kPa, 32.01 inHg) at Agata, Krasnoyarsk Krai, on 31 ...