New Delhi, Aug. 21 -- The Indian weather office has become more accurate on all four measures it uses to audit the accuracy of its predictions, the top government officer overseeing it said, adding that it got seven of every 10 forecasts of heavy rainfall right between 2017 and 2019, up from under five between 2002 and 2016 -- a change weather scientists attribute to superior weather models, better quality of input data, and more computing power....