Traditional Culture Encyclopedia - Weather inquiry - Read the chart "Weather System Diagram at 7 o'clock and 14 o'clock on a certain day" and complete questions 3-4. The weather process experienced by ② in the picture is () A. The wind direction changes
Read the chart "Weather System Diagram at 7 o'clock and 14 o'clock on a certain day" and complete questions 3-4. The weather process experienced by ② in the picture is () A. The wind direction changes
B. At 7 o'clock, ② the low pressure is greater than 10 10HPA and less than1015hpa; At 14, ② atmospheric pressure is greater than 1005 hectopascals and less than 10 100 hectopascals. Atmospheric pressure has been decreasing, so it doesn't meet the problem.
C, at 7 o'clock, the ground is behind the warm front, controlled by a single warm air mass, and the weather is fine; 14, ② The ground is behind the cold front, and it is rainy. In this process, the temperature has not been falling, so it does not meet the question.
D, at 7 o'clock, the ground is behind the warm front, controlled by a single warm air mass, and the weather is fine; 14, ② The ground is behind the cold front with precipitation. The weather changed from sunny to rainy, which did not meet the problem.
So choose: a.
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