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  2. Snow, wintry mix and rain to follow Arctic air in Northeast

    www.aol.com/weather/snow-wintry-mix-rain-arctic...

    "The pressure on some barometers may reach 31.00 inches of mercury (1,050 millibars) or higher from late Saturday to Sunday in New England and upstate New York," AccuWeather Meteorologist and ...

  3. Weather (Apple) - Wikipedia

    en.wikipedia.org/wiki/Weather_(Apple)

    Weather is a weather forecast app developed by Apple Inc., available on iOS since the release of the iPhone and iPhone OS 1 in 2007. [1] [2] It allows users to see the conditions, forecast, temperature, and other related metrics of the device's current location, as well as a number of other cities.

  4. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    Measurements of barometric pressure and the pressure tendency (the change of pressure over time) have been used in forecasting since the late 19th century. [66] The larger the change in pressure, especially if more than 3.5 hPa (2.6 mmHg), the larger the change in weather can be expected.

  5. 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 ]

  6. Weather on AOL.com - AOL Help

    help.aol.com/articles/weather-on-aolcom

    The AOL weather feature on AOL.com can be used to check the current temperature and forecast in one simple click. The new AOL weather page can store multiple locations, view the forecast by the hour, get your 10-Day outlook and catch up on weather-related news. View the weather

  7. Get the Boydton, VA local weather forecast by the hour and the next 10 days.

  8. 'Bomb cyclone' strikes: 2 dead, widespread power outages in ...

    www.aol.com/news/thousands-left-without-power...

    Bombogenesis is said to occur when a storm's central barometric pressure drops at least 24 millibars in 24 hours. A millibar is a way of measuring pressure. A millibar is a way of measuring pressure.

  9. Barometer - Wikipedia

    en.wikipedia.org/wiki/Barometer

    When atmospheric pressure is measured by a barometer, the pressure is also referred to as the "barometric pressure". Assume a barometer with a cross-sectional area A, a height h, filled with mercury from the bottom at Point B to the top at Point C. The pressure at the bottom of the barometer, Point B, is equal to the atmospheric pressure.