When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. 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 ...

  3. 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 .

  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

    These are initialized from the analysis data and rates of change are determined. The rates of change predict the state of the atmosphere a short time into the future. The equations are then applied to this new atmospheric state to find new rates of change, which predict the atmosphere at a yet further time into the future.

  6. Here's what AccuWeather forecasters predict for the Atlantic ...

    www.aol.com/atlantic-hurricane-season-begins...

    Studying the past to predict the future The high end of AccuWeather's forecast for direct strikes on the U.S. is five this year. In 2020, five landfalling storms struck Louisiana alone.

  7. Meteorology - Wikipedia

    en.wikipedia.org/wiki/Meteorology

    Forecast of surface pressures five days into the future for the north Pacific, North America, and north Atlantic Ocean. Weather forecasting is the application of science and technology to predict the state of the atmosphere at a future time and given location. Humans have attempted to predict the weather informally for millennia and formally ...

  8. Prepare for the coldest Arctic blast: How to keep your pipes ...

    www.aol.com/prepare-coldest-artic-blast-keep...

    Cover outside water spigots. Before the temperature drops below 32 degrees, outdoor water spigots attached to homes should be opened to allow to drain water out, closed and then covered.

  9. Arctic blast to blanket much of US with below-freezing ... - AOL

    www.aol.com/arctic-blast-blanket-much-us...

    Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures over the next several days. Frigid conditions are expected over a ...