ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Analysis of Atmospheric Circulation and Weather in March 2010
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Abstract:
The following are the main characteristics of the general circulation of atmosphere in March 2010. There were three polar vortex centers in the Northern Hemisphere. The circulation presents a threewave pattern in middlehigh latitudes. The intensity of three main deep troughs is weaker than that of the trough in average conditions. The south branch trough is easterly and weaker than the normal years. The subtropical high shows an eastwest belt figure and stronger than the corresponding time of normal years. The western ridge spot of high extends to the Indian Ocean. The average temperature (3.4 ℃) is equal to the corresponding time of normal years and the average precipitation (32.3 mm) is more than 4.2 mm compared with the corresponding time of normal years during March 2010. There were three cold air processes and seven sand and dust processes in the month.
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