Traditional Culture Encyclopedia - Weather inquiry - The sea level pressure value 999 on the weather map shows how many hectopascals it actually is.
The sea level pressure value 999 on the weather map shows how many hectopascals it actually is.
According to the distribution of isobar in the figure, the wind direction in Changchun area is northwest wind at this time, and Beijing is behind the cold front, which means that the cold front passes through Beijing and there is cooling weather in Beijing. Chongqing is located in the center of low pressure, and the air pressure is lower than 10 100 hectopascals. A is located in the peripheral area of the typhoon center, and it should be stormy.
Therefore, choose: B.
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