(7 points) Read the "Surface Weather Situation Map of Parts of my country at a Certain Time" and answer the following questions: (1) At this time, place A is in  ...

(1) Gao Qinglang

(2) b

(3) Northwest? Southwest

(4) ②?② Isobars are the densest

This question examines the comprehensive analysis of isobar weather maps. (1) As shown in the figure, the isobars at A are closed, and the central air pressure is higher than the surrounding areas. It is judged to be a high-pressure center. It is controlled by high pressure, downdrafts prevail, and the weather is clear. (2) Position a is a high-pressure ridge and no front will form; based on the cold air in the northern part of the Northern Hemisphere and the horizontal airflow of the cyclone converging counterclockwise, it is judged that a warm front forms at position b. (3) The diagram shows the wind direction in places B and C. According to the horizontal pressure gradient force, the force is perpendicular to the isobars, from high pressure to low pressure, and the northern hemisphere is deflected to the right. Draw the wind direction. (4) Where the isobars are denser, the horizontal pressure gradient force is greater and the wind force is greater.