Radar Observation and Comparison of the Structure and Evolution of Convection Systems in Taiwan, South China Sea, and Mid-Latitude (Part I)

Project Details


The title of this sub-project is “Radar observation and comparison of the structure and evolution of convection systems in Taiwan, South China Sea, and mid-latitude (Part I)”. Its purpose is (1) Support the scientific objects of the main integrated project entitled “Interaction of convection over the Maritime Continent-SCS with large-scale motion”. (2) Participate the 2016-2017 Research Demonstration Project (RDP) and 2017-2018 Forecast Demonstration Project (FDP) designed for the 2018 Winter Olympics Game, to be held in PyeongChang, South Korea.In this sub-project, it is proposed to use the weather radars as the major instruments, but operate jointly with sounding, disdrometer, wind profiler, microwave radiometer, dropsonde, and satellites, to conduct intensive observations to document the structure and temporal-spatial evolution of the convection systems near Taiwan’s coast as well as over the South China Sea and mid-latitude region. The weather radars will provide high resolution data about the internal distributions of the wind and microphysical fields within convections. Thedata collected from radar can also be applied to estimate the precipitation amount, and identify the hydrometeor types. Recently the applicant has implemented a new ice physics scheme to the Four-dimensional Variational Doppler Radar Analysis System (VDRAS). This newly upgraded VDRAS will be used as the major computation platform, which is capable of assimilating radar data, and reconstruct the three-dimensional meteorological fields in the area of interest for further analyses.The results from this sub-project are useful for a better understanding of the characteristics of the convections at different latitudes. The observed and retrieved parameters can be used to make an inter-comparison with the numerical model results, provide the necessary information for assessing the model’s microphysical schemes, and verify important features such as the precipitation efficiency and vertical heating profiles.
Effective start/end date1/08/1631/07/17

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 2 - Zero Hunger
  • SDG 14 - Life Below Water
  • SDG 17 - Partnerships for the Goals


  • weather radar
  • Field observational experiment
  • convection characteristics


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