Traditional Culture Encyclopedia - Weather inquiry - 10.7,65438+weather

10.7,65438+weather

Directly from the weather conditions and temperature changes in the table, the affected weather system is a cold front, so the temperature is lower after the cold front is controlled by the cold air mass; And the snow covers the ground, and the reflectivity of the snow surface is high, which leads to less solar radiation absorbed by the ground and lower temperature.

Therefore, choose: B.