Synoptic Studies of Convective Systems, Frontogenesis and Baroclinic Development

对流系统、锋生和斜压发展的天气研究

• 批准号: 9112727
• 负责人: Frederick Sanders
• 金额: $ 5.64万
• 依托单位: Individual Award
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-08-15 至 1994-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9112727&HistoricalAwards=false
• 关键词: Synoptic; Studies; Convective; Systems; Frontogenesis

Sanders proposes to complete two case studys in which significant weather features are present which have not been intensively analyzed previously, and a third study in which the prediction skills of two operational Numerical Weather Prediction models are assessed and compared. The region covered in the third study is the western North Atlantic, and the period of concern is the winter of 1988-89, when a significantly enhanced observational system was deployed at sea as part of project ERICA. ERICA was mounted after Sanders' prior pioneering research focussed attention on the weather phenomenon he labelled "explosive marine cyclogenesis". The subject phenomenon of the first study is an organized but isolated thunderstorm system which produced many tornadoes and much damaging hail, again cap- tured in an ehanced observational network, this time deployed du- ring the 1985 O-K PRESTORM field project. That of the second study is a form of sloping roll circulation that often develops as part of the process of frontal formation. It is associated with alternating lines of heavy and little rain, and with alter- nating layers of saturated and extremely dry air aloft. Sanders has been a leader in synoptic meteorology for decades. He has established a record of using methods and theory in the forefront of atmospheric science in the study of those weather systems which directly affect human safety and property.

桑德斯建议完成两个案例研究，其中 出现了一些重要的天气特征， 第三项研究中， 两种业务数值天气预报的预报技巧 模型进行评估和比较。第三次会议所涉区域 研究是北大西洋西部，关注的时期是 1988- 1989年的冬天， 作为项目的一部分，在海上部署了一个观测系统 埃里卡.埃里卡是在桑德斯之前的开创性研究之后安装的 把注意力集中在他称之为 “爆炸性海洋气旋”的主体现象 第一项研究是一个有组织但孤立的雷暴系统 它产生了许多龙卷风和破坏性的冰雹， 在一个增强的观测网络，这一次部署的杜- 1985年O-K PRESTORM项目。所述第二 研究是一种形式的倾斜滚动循环，往往发展 作为锋面形成过程的一部分与其相关联 大雨和小雨交替出现， 在高空形成饱和且极度干燥的空气层。桑德斯 几十年来一直是天气学的领导者。他 建立了一个使用方法和理论在前沿的记录 大气科学在这些天气系统的研究 直接影响人身安全和财产安全。