2017年7月大气环流和天气分析OA北大核心CSCDCSTPCD
Analysis of the July 2017 Atmospheric Circulation and Weather
2017年7月大气环流特征为,极涡呈偶极型分布,主体强度较常年偏强;中高纬环流呈5波型分布,北半球副热带高压强度偏强,西太平洋副热带高压整体位置偏北,脊线持续北抬.7月我国平均气温为23.2℃,较常年同期(21.9℃)偏高1.3℃.全国平均降水量112.5mm,较常年同期(120.6 mm)偏少6.7％,东北地区西部、江南地区东北部、江淮地区西南部和新疆北部等地降水偏少显著.强降水天气主要出现在东北地区和南方,7月我国出现9次区域性暴雨天气过程,…查看全部>>
The following are the main characteristics of the general circulation of atmosphere in July 2017.There were two polar vortex centers with stronger strength than normal in the Northern Hemisphere.The mid-high latitude circulation showed a five-wave pattern.The strength of subtropical high in the Northern Hemisphere was stronger than usual,the location of northwestern Pacific subtropical high was by north and the ridge line oscillated greatly.In July,the month…查看全部>>
霍达;孙军;储文宗
国家气象中心,北京100081国家气象中心,北京100081上饶市横峰县气象局,江西上饶334300
天文与地球科学
大气环流副热带高压暴雨热带气旋
atmospheric circulationsubtropical hightorrential raintropical cyclone
《气象》 2017 (10)
1302-1308,7
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