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學習快評丨qibao666888　　春??(chun)季??(ji)為??(wei)何??(he)午??(wu)后??(hou)多??(duo)大??(da)風??(feng)？??　　中??(zhong)國??(guo)氣??(qi)象??(xiang)局??(ju)氣??(qi)象??(xiang)分??(fen)析??(xi)師??(shi) 唐?(tang)曉??(xiao)靜??(jing)：春??(chun)季?(ji)午??(wu)后??(hou)多??(duo)大??(da)風??(feng)天??(tian)氣??(qi)背??(bei)后??(hou)的??(de)主??(zhu)要??(yao)成??(cheng)因??(yin)是??(shi)高??(gao)空??(kong)的??(de)動??(dong)量??(liang)下??(xia)傳??(chuan)??。??通??(tong)常??(chang)在??(zai)春??(chun)季??(ji)高??(gao)空??(kong)盛??(sheng)行??(xing)的??(de)是??(shi)西??(xi)北??(bei)氣??(qi)流??(liu)??，風?(feng)速??(su)非??(fei)常??(chang)大??(da)??。西??(xi)北??(bei)氣??(qi)流??(liu)主??(zhu)導??(dao)晴??(qing)天?(tian)??，因??(yin)此??(ci)白??(bai)天??(tian)在??(zai)陽??(yang)光??(guang)加??(jia)熱??(re)之??(zhi)下??(xia)??，低??(di)層?(ceng)空?(kong)氣??(qi)會??(hui)快??(kuai)速??(su)變??(bian)暖??(nuan)??，就??(jiu)和??(he)高?(gao)空??(kong)冷??(leng)空??(kong)氣??(qi)形??(xing)成??(cheng)了?(le)明??(ming)顯??(xian)溫??(wen)差??(cha)??，進??(jin)一??(yi)步??(bu)就??(jiu)導??(dao)致??(zhi)在??(zai)垂??(chui)直??(zhi)方??(fang)向??(xiang)上??(shang)出??(chu)現??(xian)能?(neng)量??(liang)交??(jiao)換?(huan)??。高??(gao)空??(kong)的??(de)動??(dong)量??(liang)就??(jiu)會??(hui)向??(xiang)下??(xia)傳?(chuan)導?(dao)到??(dao)地??(di)面??(mian)??，地??(di)面??(mian)風??(feng)速??(su)逐??(zhu)漸??(jian)增??(zeng)大??(da)??。到??(dao)了??(le)中??(zhong)午??(wu)到?(dao)下??(xia)午??(wu)就??(jiu)會??(hui)形??(xing)成??(cheng)明??(ming)顯??(xian)的??(de)大??(da)風??(feng)天??(tian)氣??(qi)??。。