Traditional Culture Encyclopedia - Weather inquiry - What is CCTV weather forecast and satellite cloud picture?
What is CCTV weather forecast and satellite cloud picture?
It is a cloud animation handed down by Fengyun meteorological satellite, which can be directly drawn by special meteorological software such as Micaps, and belongs to synchronous meteorological satellite (FY-2). It runs at an altitude of about 35,800 kilometers, and its orbital plane coincides with the equatorial plane of the earth. Seen from the earth, the satellite is at rest at a certain longitude above the equator. Basically, there is a piece of data in half an hour, and a piece of data in 15 minutes can be basically guaranteed by using double-star data.
The most commonly used satellite images (in meteorological services) are mainly water vapor images and infrared images; Measure the water vapor content and cloud top height in the cloud respectively. Generally, the brighter the stronger. In other words, the brighter the area, the greater the possibility of heavy precipitation and the fiercer the weather. It is usually said that there is cold air (the intersection of cold and warm air can cause the generation and development of clouds), and it is naturally sunny without clouds.
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