BEIJING, Aug. 22 (Xinhua) -- China on Tuesday evening issued a yellow alert for mountain torrents in parts of the country.

From 8 p.m. Tuesday to 8 p.m. Wednesday, mountain torrents are highly likely to occur in northeastern parts of Inner Mongolia, southwestern parts of Shaanxi and southeastern parts of Gansu, according to the alert, which was issued by the Ministry of Water Resources and the China Meteorological Administration.

The two departments also issued a blue alert for mountain torrents in certain areas of the provincial-level regions of Inner Mongolia, Jilin, Sichuan, Tibet, Shaanxi and Gansu.

Local authorities are advised to strengthen real-time monitoring and flood warning procedures amid measures to prepare for evacuation.

China has a four-tier weather-warning system, with red representing the most severe warning, followed by orange, yellow and blue. ■