ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 45 Issue 4 > 2019,45(4):587-592. DOI:10.7519/j.issn.1000-0526.2019.04.013 Prev Next
Analysis of the January 2019 Atmospheric Circulation and Weather
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Abstract:
The main characteristics of the general atmospheric circulation in January 2019 are as follows. There were two polar vortex centers in the Northern Hemisphere. The circulation presented a three wave pattern in middlehigh latitudes. The average south branch trough was located around 90°E. The northwestern Pacific subtropical high was stronger than normal, located more westward. Meanwhile, monthly mean precipitation over China was 14.0 mm, 4% higher than normal. And three major rainfall processes occurred in this month, and parts of the south of Yangtze River, and Southwest China saw rains obviously. Daily extreme precipitation events occurred at 35 stations. Monthly mean temperature was -4.1℃, 0.9℃ higher than normal, and there were four cold air processes in this month.Meanwhile, there were two largescale foghaze weather processes as well.
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