Learn about polarization radar technology and its applications in early detection of guerrilla heavy rainfall through this lecture segment from the 95th Kyoto University Marunouchi Seminar. Professor Eiichi Nakakita from the Disaster Prevention Research Institute discusses fundamental observations using polarization radar and sonde synchronization, identification of precipitation particles through polarization radar, and future directions for basic observations. Delivered at Kyoto University's Tokyo Office, this technical presentation explores advanced meteorological monitoring methods for improving severe weather prediction and risk assessment.