Based on the spatial precipitation data,the system of waterlog forecast was founded with SCS hydrology model,and it was validated by the heavy precipitation process happened in August,2005.

• 以扩展后的降水资料为基础,利用SCS水文模型建立了辽宁积涝预警系统,并在2005年8月一次强降水过程中进行了应用。