[1]郝全成,胡娅敏,罗晓玲.2014年广东省汛期气候特征及降水异常成因分析[J].气象研究与应用,2015,36(02):48-49.
　Hao Cheng-quan,Hu Ya-min,Luo Xiao-ling.Anomaly genesis analysis of climate characteristics and precipitation of Guangdong province in 2014 flood season[J].Journal of Meteorological Research and Application,2015,36(02):48-49.
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2014年广东省汛期气候特征及降水异常成因分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第36卷
期数:
2015年02期
页码:
48-49
栏目:
天气气候
出版日期:
2015-12-21

文章信息/Info

Title:
Anomaly genesis analysis of climate characteristics and precipitation of Guangdong province in 2014 flood season
作者:
郝全成;  胡娅敏;  罗晓玲
广东省气候中心, 广东广州 510080
Author(s):
Hao Cheng-quan;  Hu Ya-min;  Luo Xiao-ling
Guangxi Province Climate Center, Guangzhou Guangdong 510080
关键词:
天气学; 汛期; 气候特点; 广东
Keywords:
synoptic meteorology; flood season; climatic characteristics; 2014; Guangdong
分类号:
P458.1+21
摘要:
通过分析得到2014年广东省汛期气候特征:4~9月,平均气温偏高0.6℃,降水量偏少7.0%;5月降水量偏多65.0%,为近40年来最多;龙舟水连续4年偏少,空间分布严重不均;台风频数略偏少,最强台风"威马逊"登陆湛江;后汛期高温日数25.7d,位列历史第2位。汛期降水偏少成因:在两个关键海区海温异常的外强迫下,西太副高强度持续偏强、面积偏大、脊线偏南、西伸脊点偏西,既不利于北方冷空气南下,也不利于偏南暖湿气流向该区域输送;850hPa风场广东地区上空为异常的反气旋,水汽输送较弱。
Abstract:
Based on the climate characteristics analysis of Guangdong province in 2014 flood season:from April to September, the average temperature is higher 0.6℃ than normal, the rainfall is less 7.0%, rainfall is more 65.0% in May which is most during recent 40 years; The dragon-boat rain is consecutive less for four years with the imbalanced space distribution; and the number of typhoons is slightly less than that of normal year and the strongest typhoon "Rammasun" landed Zhanjiang; In the late flood season, the number of high temperature days is 25.7, and ranks second in history. The reason of less precipitation in flood season:under the outside force of the SST anomalies in two key ocean, the subtropical high strength of western Pacific continuing strong in large area, the ridge line point moving towards south and the west-extending ridge being westward are not conducive to the north cold air moving to south, and also does not favor the warm moist air flows transporting to this area; 850 hpa wind field anomalies shows anomaly of anticyclone over the Guangdong area and the weak water vapor transportation.

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备注/Memo

备注/Memo:
收稿日期:2015-03-16。
基金项目:广东省气象局科学技术研究项目(2012B06),华南区域中心重点项目(GRMC2014Z01)共同资助
作者简介:郝全成(1980-),男,工程师,硕士,主要从事气候预测与监测工作。
更新日期/Last Update: 1900-01-01