water Article A New Rapid Simplified Model for Urban Rainstorm Inundation with Low Data Requirements Ji Shen 1,*, Zhong Tong 2, Jianfeng Zhu 3, Xiaofei Liu 3 and Fei Yan 3 1 School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China 2 China...