Meteorological Instruments -- Introduction
Temperature, humidity, rainfall, pressure and wind are the five fundamental weather elements that affect the daily life of everybody. The essence of weather forecasting, in short, is to predict the change of these elements. The accurate prediction of these elements in turn largely relies on how well we can measure their present values. Accurate prediction and measurements of these five elements have been the main challenge to weather forecasters in the past centuries and will likely remain so in the future.
This web page introduces the definitions of these five fundamental elements, the application of the major conventional meteorological instruments used at the Hong Kong Observatory for the measurement of these elements.
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