(20 12? On June 5438+065438+ 10, 2009, there was strong cooling and large-scale rain and snow weather in northern China, and the snowstorm process in some areas reached once in a hundred years.

A, according to the analysis of air pressure data in the figure, A is a high-pressure center, and downdraft prevails nearby, and it is sunny, which does not meet the meaning of the question;

B, ① in the figure, it is located on the south side of the high-pressure center, where the northeast wind prevails, the isobar is dense, and the wind force is greater than Wuhan, which does not meet the meaning of the question;

C and ① in the picture are on the south side of the high pressure center, and the weather is fine. Rain is before the warm front and rain is after the warm front, so it is sunny. (3) The picture shows the front behind the cold front, and the cold front is the rain behind the front. At this time, ③ should be the weather characteristics of the cold front. The weather provided in the title is rain and snow, so it should be rain and snow at this time, so it is correct.

D, it is rain before the warm front, and it is sunny before and after the warm front, which does not meet the meaning of the question.

So choose: C.