Traditional Culture Encyclopedia - Weather inquiry - The picture shows the weather near the ground on a certain day. Look at the picture and complete the following questions. (1) The order of air pressure in A, B, C and D in the figure from high to low
The picture shows the weather near the ground on a certain day. Look at the picture and complete the following questions. (1) The order of air pressure in A, B, C and D in the figure from high to low
(2) The magnitude of wind force depends on the density of isobar. The thinner the isobar, the smaller the wind. Of the four places, B has the smallest wind.
(3) Specifically, the wind direction is from high pressure to low pressure, and the northern hemisphere deflects to the right. At this time, the wind direction at A is northwest wind; Dingdi is located in front of the cold front, affected by a single warm air mass, and the weather is fine.
(4) In the horizontal direction of the cyclone in the northern hemisphere, the airflow flows counterclockwise from the periphery to the center. Beijing is behind the cold front, with rainy weather. Then the front will move to the southeast. After the cold front crossed the border, the weather in Beijing changed as the temperature dropped, the air pressure rose and the weather turned fine.
(5) The low pressure in the figure is called cyclone in terms of airflow. The airflow rises vertically, which is easy to condense clouds and cause rainy weather.
So the answer is:
(1) A, b, d and c
(2) B? Isobar is the rarest, and the horizontal pressure gradient force is the smallest.
(3) The northwest wind is clear
(4) rainy? Southeast? Reduce, increase and eliminate
(5) Cyclone? cloudy and drizzly for days on end
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