Collaborative Research: VORTEX2--Multi-Scale and Multi-Platform Study of Tornadoes, Supercell Thunderstorms, and Their Environments

合作研究:VORTEX2——龙卷风、超级雷暴及其环境的多尺度和多平台研究

基本信息

  • 批准号:
    0801035
  • 负责人:
  • 金额:
    $ 96.44万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-06-01 至 2013-05-31
  • 项目状态:
    已结题

项目摘要

The Principal Investigators (PIs) will conduct a multi-institution, integrated study encompassing several core science foci of the second Verification of the Origin of Rotation in Tornadoes Experiment (VORTEX2) to be held in 2009. In support of this research, and in support of the overall VORTEX2 program, the PIs will field several core VORTEX2 instrumentation systems. The field-project and analysis effort will permit the coordinated collection of multi-platform measurements and their integrated analysis. The diverse data sets will result from fixed and mobile radars, mobile mesonets, and in situ instrumentation with the goal of developing a more comprehensive scientific understanding of the genesis, maintenance, and structure of tornadoes and supercells and their relationship to the environment. This study will combine integrated analyses with those of less comprehensive data from over 130 tornadoes obtained during the Radar Observations of Thunderstorms And Tornadoes Experiment (ROTATE) program (1996-2007). Scientific Motivation and Intellectual Merit: Current level of understanding in several areas of tornado science fails to provide answers to fundamental questions including the true range of sizes, intensities, and structures of tornadoes. The factors governing the occurrence and timing of tornado genesis, growth, intensification, maintenance, and dissipation, as well as the modes of genesis, are hypothesized from previous work, but remain largely unvalidated observationally, as do details concerning vertical wind field profiles, and the evolution and structure of damaging winds near the ground. The specific role of downdrafts in tornadogenesis and the sensitivity of the tornadogenesis process to microphysical and thermodynamic characteristics are not known. Thus, while significant advances have been made in addressing many of these questions using data from the original VORTEX and from ROTATE; these results have been limited. Specifically, VORTEX2 will provide an integration of multiple-Doppler mobile radar data with comprehensive in situ thermodynamic data that has not been achieved previously. Broader Impacts: Improved understanding of tornado genesis, maintenance, structure, and environmental dependencies will have a broad impact on the ability to detect, warn, and forecast these severe events and to reduce subsequent casualties. The fielding of mobile Doppler radars, mobile mesonets, and in situ thermodynamic probes will be led by the PIs. These datasets will be available to the scientific community for both scientific and educational purposes and are likely to be extensively used by a large number of investigators and educators.
首席调查员将围绕2009年举行的第二次龙卷风自转起源核查实验(VORTEX2)的几个核心科学重点进行一项多机构的综合研究。为了支持这项研究,并支持整个VORTEX2计划,PI将部署几个核心VORTEX2仪器系统。实地项目和分析工作将使协调收集多平台测量及其综合分析成为可能。多样化的数据集将来自固定和移动雷达、移动中子网和现场仪器,目的是更全面地科学了解龙卷风和超级单体的产生、维护和结构及其与环境的关系。这项研究将把综合分析与在雷暴和龙卷风雷达观测实验(ROTATE)方案(1996-2007年)期间获得的130多个龙卷风的不太全面的数据相结合。科学动机和知识价值:目前对龙卷风科学几个领域的理解水平未能提供基本问题的答案,包括龙卷风的真实大小、强度和结构。控制龙卷风发生、发展、加强、维持和消散的因素,以及龙卷风的生成模式,都是从以前的工作中假设出来的,但在很大程度上仍然没有从观测上得到证实,关于垂直风场分布和地面附近破坏性风的演变和结构的细节也是如此。下沉气流在龙卷风发生中的具体作用以及龙卷风发生过程对微物理和热力学特征的敏感性尚不清楚。因此,虽然在利用原始旋涡和旋转数据解决其中许多问题方面取得了重大进展,但这些结果是有限的。具体地说,VORTEX2将提供多多普勒移动雷达数据与全面的现场热力学数据的集成,这是以前从未实现的。更广泛的影响:更好地了解龙卷风的发生、维护、结构和环境相关性,将对检测、警告和预测这些严重事件并减少后续伤亡的能力产生广泛影响。移动多普勒雷达、移动中子网和现场热力学探测器的部署将由PI领导。这些数据集将提供给科学界用于科学和教育目的,并可能被大量研究人员和教育工作者广泛使用。

项目成果

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Yvette Richardson其他文献

Yvette Richardson的其他文献

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{{ truncateString('Yvette Richardson', 18)}}的其他基金

Improving our Understanding of Tornadic Storms using VORTEX2 Observations and Idealized Simulations
使用 VORTEX2 观测和理想化模拟提高我们对龙卷风的了解
  • 批准号:
    1536460
  • 财政年份:
    2015
  • 资助金额:
    $ 96.44万
  • 项目类别:
    Continuing Grant
Using the Second Verification of the Origins of Rotation in Tornadoes Experiment (VORTEX2) Observations and Idealized Simulations to Understand the Lifecycle of Tornadoes
利用龙卷风旋转起源第二次验证实验(VORTEX2)观测和理想化模拟来了解龙卷风的生命周期
  • 批准号:
    1157646
  • 财政年份:
    2012
  • 资助金额:
    $ 96.44万
  • 项目类别:
    Standard Grant
Collaborative Research: Data Assimilation Analysis of the Boundary Layer and Convection Initiation During International H2O Project (IHOP)
合作研究:国际H2O项目(IHOP)期间边界层和对流引发的数据同化分析
  • 批准号:
    0638512
  • 财政年份:
    2007
  • 资助金额:
    $ 96.44万
  • 项目类别:
    Continuing Grant
Collaborative Research: Study of the Genesis, Evolution, Structure, and Dynamic Climatology of Tornadoes and Their Environments
合作研究:龙卷风及其环境的起源、演化、结构和动态气候学研究
  • 批准号:
    0437512
  • 财政年份:
    2005
  • 资助金额:
    $ 96.44万
  • 项目类别:
    Continuing Grant
Collaborative Research: Doppler on Wheels International H2O Project Participation and Studies of Convective Initiation
合作研究:Doppler on Wheels International H2O 项目参与和对流引发研究
  • 批准号:
    0208651
  • 财政年份:
    2002
  • 资助金额:
    $ 96.44万
  • 项目类别:
    Continuing Grant

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