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  2. Surface weather observation - Wikipedia

    en.wikipedia.org/wiki/Surface_weather_observation

    ASOS sensors, located at Salinas, California. Surface weather observations have traditionally been taken at airports due to safety concerns during takeoffs and landings. The ICAO defines the International Standard Atmosphere (also known as ICAO Standard Atmosphere), which is the model of the standard variation of pressure, temperature, density, and viscosity with elevation/altitude in the ...

  3. Meteorological instrumentation - Wikipedia

    en.wikipedia.org/wiki/Meteorological_instrumentation

    The measurements taken include temperature, barometric pressure, humidity, wind speed, wind direction, and precipitation amounts. Wind measurements are taken as free of other obstructions as possible, while temperature and humidity measurements are kept free from direct solar radiation, or insolation. Manual observations are taken at least once ...

  4. Atmospheric pressure - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_pressure

    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 ]

  5. Are summer storms causing your migraine? How barometric ... - AOL

    www.aol.com/change-barometric-pressure-causing...

    The foundation cited a 2023 study of more than 15,000 migraine sufferers in Japan that linked an increase in headaches during barometric pressure changes, humidity and rainfall.

  6. International Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/International_Standard...

    Comparison of a graph of International Standard Atmosphere temperature and pressure and approximate altitudes of various objects and successful stratospheric jumps The International Standard Atmosphere ( ISA ) is a static atmospheric model of how the pressure , temperature , density , and viscosity of the Earth's atmosphere change over a wide ...

  7. Ottawa County, Michigan - Wikipedia

    en.wikipedia.org/wiki/Ottawa_County,_Michigan

    Ottawa County (/ ˈ ɒ t ə w ə / OT-ə-wə) is a county located in the U.S. state of Michigan. As of the United States 2020 Census, the population was 296,200. [1] The county seat is Grand Haven. [2] The county is named for the Ottawa Nation. It was set off in 1831 and organized in 1837.

  8. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    SLP176 indicates the current barometric pressure extrapolated to sea level is 1,017.6 hPa (30.05 inHg). P0002 indicates that 0.02 inches (0.5 mm) of liquid-equivalent precipitation accumulated during the last hour. T10171017 is a breakdown of the temperature and dew point in eight digits separated into two groups of four. The first four digits ...

  9. Ottawa County voters will decide these county office ... - AOL

    www.aol.com/ottawa-county-voters-decide-county...

    Ottawa County voters will have a few county races to decide Nov. 5. Voters will be asked to decide for county commissioner and county recorder. More: Absentee in-person voting starts in early ...