Analysis of the August 2010 Atmospheric Circulation and Weather
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Abstract:
The following are the main characteristics of the general circulation of atmosphere in August 2010. The circulation presents a fourwave pattern in Eurasian high latitudes. The negative 40gpm is found near Novaya Zemlya and northwestern Europe in the 500 hPa geopotential height anomaly field. The area that the subtropical high covered is larger than normal years. The intensity of the subtropical high is stronger and the western ridge spot is wester than normal years. The monthly mean temperature (21.4 ℃) is 1.1 ℃ higher than the same period of normal years and the national mean precipitation (108.1 mm) is 5.5 mm more than the same period of normal years. There are 14 precipitation processes and 5 tropical cyclones generated with one (Namtheum, numbered 1008) landed China in this month.