BEIJING, Aug. 16 -- China renewed weather warnings Saturday for rainstorms, mountain torrents and geological disasters across multiple regions, authorities announced.

The National Meteorological Center (NMC) issued a blue alert for rainstorms, forecasting heavy rainfall from Saturday to Sunday in parts of Jilin, Liaoning, Shandong, Hebei, Henan, Sichuan, Guangdong, Guangxi and Hainan.

A yellow alert for potential mountain torrents was jointly issued by the Ministry of Water Resources and the China Meteorological Administration (CMA), highlighting a relatively high risk in parts of Shandong and Hainan.

Separately, the Ministry of Natural Resources and the CMA issued a yellow alert for geological disaster risks in parts of Hebei, Shanxi, Shandong, Yunnan and Shaanxi.

On Saturday evening, the CMA lowered its emergency response level for rainstorm-related meteorological disasters from Level-III to Level-IV.

Local authorities in the affected areas have been urged to implement necessary precautions to mitigate potential disasters.

China has a four-tier weather warning system, with red representing the most severe warning, followed by orange, yellow and blue. The emergency response system also has four tiers, with Level I being the most severe.