The existing analysis methods commonly used in the international meteorology community are not entirely suitable for Taiwan. Thus, the applicant re-designed a new multiple-Doppler-radar wind synthesis technique called WISSDOM (Wind Synthesis System using Doppler Measurements), which is able to use Taiwan’s weather radar network to generate 3D wind field in the severe weather systems. The first operational application of WISSDOM was done by Korean Meteorological Administration (KMA) for the 2018 Olympic Winter Games in PyeongChang, South Korea. Now, KMA has expanded the WISSDOM analysis area to entire Korean peninsula. The applicant was given the Korea Government Award in 2019, the only Taiwanese scientist ever won this award. Operational WISSDOM is also running in CWB and NCDR in Taiwan to provide 3D wind fields covering Taiwan and vicinity areas for severe weather monitoring. WISSDOM is also adopted by researchers in NCU, NTU, NDU in Taiwan, KNU and PKNU in Korea for basic research.

WISSDOM is able to optimally combine data from different sources, including weather radar (any number), surface station, sounding, profiler, satellite ocean-surface wind, lidar, and selected numerical model outputs. Therefore it has very high flexibility in real applications. The difficulty occurred in traditional approaches associated with the radar base-line wind retrieval and direct wind analysis along the complex terrains have been resolved in WISSDOM. This is the most important breakthrough in WISSDOM, and is important for weather analysis in Taiwan.

The 3D wind field produced by WISSDOM can be used for the analysis and research of the severe weather, to improve the forecast accuracy and reduce the damage. The wind fields are also very important for real-time monitoring of the airflow in boundary layer, so that the management of green energy generated by offshore wind farms can be optimized. In addition, high resolution WISSDOM wind field can be applied to detect the wind shear in airport, which is a critical factor for aviation safety. WISSDOM wind field can also be utilized to evaluate the impact of cloud seeding in enhancing rainfall.

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