A field observation was carried out along the coast of the Japan Sea in the 2016− 2017 and 2017− 2018 winter seasons, using the Ground-based Particle Image and Mass Measurement System (G-PIMMS) to evaluate the Global Precipitation Measurement Mission (GPM) dual-frequency precipitation radar (DPR) precipitation type classification algorithm. The G-PIMMS was installed at Kanazawa University and Ishikawa Prefectural University, which are around 10 km apart from each other. The G-PIMMS observations showed that the major precipitation particle type (graupel or snowflake) was different in the precipitation types classified by the GPM DPR algorithm.(Citation: Suzuki, K., R. Kamamoto, K. Nakagawa, M. Nonaka, T. Shinoda, T. Ohigashi, Y. Minami, M. Kubo, and Y. Kaneko, 2019: Ground validation of GPM DPR precipitation type classification algorithm by precipitation particle measurements in winter. SOLA, 15, 94− 98, doi: 10.2151/sola. 2019-018.)