Big Data Assimilation: Real-time 30-second-refresh Heavy Rain Forecast Using Fugaku During Tokyo Olympics and Paralympics. - Takemasa Miyoshi; Arata Amemiya; Shigenori Otsuka; Yasumitsu Maejima; James Taylor; Takumi Honda; Hirofumi Tomita; Seiya Nishizawa; Kenta Sueki; Tsuyoshi Yamaura; Yutaka Ishikawa; Shinsuke Satoh; et al. (SC, 2023)