The Initiation and Behavior of Severe Convective Storms

强对流风暴的起源和行为

• 批准号: 9612674
• 负责人: Howard Bluestein
• 金额: $ 45.16万
• 依托单位: University of Oklahoma Norman Campus
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-03-01 至 2001-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9612674&HistoricalAwards=false
• 关键词: Initiation; Behavior; Severe; Convective; Storms

9612674 Bluestein While much progress has been over the last decade in understanding the structural characteristics of tornadoes and their parent thunderstorms, many questions still remain unanswered. Among these are What are the critical factors that actually trigger convection and tornadoes? This is a three-year project whose objective is to understand better the ways in which severe convective storms form and behave. A combination of analyses of data from the Verification of Origins of Rotation in Tornadoes Experiment (VORTEX) conducted in the Southern Plains of the U. S. in 1994 and 1995, conventional data sets, and advanced mesoscale numerical weather models will be used to achieve the objectives of this research. Areas of focus include the effects of small-scale variations in surface characteristics and clouds on storms initiated near the dryline, tornadogenesis, and the relationship between the environment and the mode of initial storm formation on the subsequent evolution of severe convective storms. The results of this research will improve our ability to forecast severe weather in the Plains region of the U. S. ***

小行星9612674 虽然在过去的十年里，在理解龙卷风及其母体雷暴的结构特征方面取得了很大进展，但仍有许多问题没有得到解答。 其中包括什么是真正引发对流和龙卷风的关键因素？ 这是一个为期三年的项目，其目标是更好地了解强对流风暴的形成和行为方式。对在美国南部平原进行的龙卷风旋转起源验证实验（VORTEX）的数据进行了综合分析。S. 1994年和1995年，将使用常规数据集和先进的中尺度数值天气模式来实现这项研究的目标。 重点领域包括小规模变化的表面特征和云对风暴附近的干线，龙卷风的形成，和环境之间的关系和模式的初始风暴形成的强对流风暴的后续演变的影响。本研究的结果将提高我们对美国平原地区恶劣天气的预报能力。S. ***