How the news sites calculate Weather ?

Just I am curious to know, How the whether is calculated

The following yahoo page shows weather of Chennai, How they are calculating?

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Replies

  • Kaustubh Katdare
    Kaustubh Katdare
    I believe all the data is provided by concerned departments to a central server from where all the data is fetched by various services.
  • durga ch
    durga ch
    yup!
    wheather reports wont vary with news sites. they must be collecting it from local wheather departments/ councils.
  • ms_cs
    ms_cs
    ok..thanks for the information.
  • Manish Goyal
    Manish Goyal
    Basically weather is calculated by measuring moisture in air,and by using remote sensing
  • callyD
    callyD
    No matter how it's calculated... Even with the science’s advances and increases in the power of technology, nature by nature is unpredictable sometimes.

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