The Yellow River Flood Control and Drought Relief Headquarters, the second longest river in China, issued a new alert for floods in its upper reaches Monday morning.

The water level in the section of Lanzhou, the capital city of northwest China's Gansu province, along the Yellow River, has risen rapidly due to heavy rain.

A hydrologic station located in Lanzhou recorded a water flow of 2,700 cubic meters per second at 5:00 am Monday morning, and the figure rose to 3,600 cubic meters per second at 8:00 am.