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  2. Barometer - Wikipedia

    en.wikipedia.org/wiki/Barometer

    An aneroid barometer is an instrument used for measuring air pressure via a method that does not involve liquid. Invented in 1844 by French scientist Lucien Vidi , [ 23 ] the aneroid barometer uses a small, flexible metal box called an aneroid cell (capsule), which is made from an alloy of beryllium and copper .

  3. Tempest prognosticator - Wikipedia

    en.wikipedia.org/wiki/Tempest_prognosticator

    The tempest prognosticator, also known as the leech barometer, is a 19th-century invention by George Merryweather in which leeches are used in a barometer. The twelve leeches are kept in small bottles inside the device; when they become agitated by an approaching storm, they attempt to climb out of the bottles and trigger a small hammer which ...

  4. Meteorological instrumentation - Wikipedia

    en.wikipedia.org/wiki/Meteorological_instrumentation

    A barometer measures atmospheric pressure, or the pressure exerted by the weight of the Earth's atmosphere above a particular location. An anemometer measures the wind speed and the direction the wind is blowing from at the site where it is mounted.

  5. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    People have attempted to predict the weather informally for millennia and formally since the 19th century. Weather forecasts are made by collecting quantitative data about the current state of the atmosphere, land, and ocean and using meteorology to project how the atmosphere will change at a given place.

  6. Meteorology - Wikipedia

    en.wikipedia.org/wiki/Meteorology

    Different spatial scales are used to describe and predict weather on local, regional, and global levels. Meteorology, climatology, atmospheric physics, and atmospheric chemistry are sub-disciplines of the atmospheric sciences. Meteorology and hydrology compose the interdisciplinary field of hydrometeorology. The interactions between Earth's ...

  7. Storm glass - Wikipedia

    en.wikipedia.org/wiki/Storm_glass

    FitzRoy carefully documented his claims on how the storm glass would predict the weather: [3] [failed verification] A catalogue of storm glasses c. 1863. If the liquid in the glass is clear, the weather will be bright and clear. If the liquid is cloudy, the weather will be cloudy as well, perhaps with precipitation.

  8. 39 People Predict Potential Disasters That Most Of The World ...

    www.aol.com/39-dangerous-things-people-realize...

    Image credits: WatchTheBoom #4. The ocean fisheries will collapse. Yesterday's trash species are today's featured "catch of the day", will be tomorrow's memory.

  9. Radiosonde - Wikipedia

    en.wikipedia.org/wiki/Radiosonde

    Kites used to fly a meteograph Meteograph used by the US Weather Bureau in 1898 U.S. Bureau of Standards personnel launch radiosonde near Washington, DC in 1936 US sailors launching a radiosonde during World War 2