Description of the radar map: The radar image shows the distribution of the basic reflectivity, the pale yellow highlight part in the middle of the map stands for Foshan, and the center point stands for the Meteorological building on the Jihua Road of Chancheng. The colorful radar echo image will show up if it rains in that area, and the color bar is at the top right of the image which indicates the intensity of the basic reflectivity, the bigger of the basic reflectivity value(unit is dBz), the heavier of the rainfall. The thunderstorm would likely to happen if the value of basic reflectivity is larger than 40dBz, and the convective weather like torrential rains, hails and stong winds would happen probably if the value of the basic reflectivity is larger than 50dBz

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