Visit Ninghai Meteorological Bureau for answers.

When I came to the Meteorological Observatory, my working aunt told us the source of daily weather forecast: first, we must use meteorological instruments to accurately judge the weather; It is also necessary for staff to personally observe various landscapes in nature to speculate and get weather forecasts.

In order to let us know more about meteorological knowledge, an uncle led us to the meteorological station and introduced us to meteorological instruments. The first thing that caught our eye was a big iron shelf. My uncle introduced us: "The name of this big iron frame is actually called' Wind Tower'. From which side the wind blows, the arrow on it clearly points to which side, so that we can know the wind direction. " The students listened and nodded again and again.

A classmate next to my uncle pointed to something that looked like a box and asked curiously, "What is this?" Uncle. "I saw my uncle smiled and said," well, this is called blinds. "After careful observation, this' shutter box' is like a small air conditioner. Uncle went on to say, "the' louver box' has a great effect! It can prevent the direct radiation of the sun to the instrument and protect the instrument from the influence of wind, rain and snow. Moreover, it has many vents, which can be properly ventilated and can accurately sense the changes of air temperature and humidity ... "