The following are the main characteristics of the general circulation of atmosphere in June 2010. There are two polar vortex centers apart from the polar area. The north branch frontal zone lies northward, so the cold air is weaker. The geopotential height in the Eurasian area is higher. More troughs occur in the low latitude. The West Pacific subtropical high extends to the west of its normal position and its intensity is stronger. The average rainfall is 95.0 mm, near normal. The average temperature is 20.5 ℃ and is higher than normal year for 1.0 ℃. In this month, consistent heavy rainfall processes hit the Southern China. Exceptional high temperature appears in Northeastern China and some areas in Xinjiang. Strong wind and hail disaster hit Hebei, Liaoning, Shandong, Jiangsu etc.