CHENGDU / BEIJING - More than 80,000 people have been evacuated in Southwest China's Sichuan province amid the most recent rainstorms to hit the region, local authorities said on Sunday.

Heavy rains have battered several of Sichuan's cities and prefectures since Friday, triggering flash floods and destroying homes, according to the province's emergency management authorities.

No casualties have yet been reported as a result of the latest rainstorms.

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Local authorities have enhanced spot checks, patrols and monitoring work to guard against rain-triggered secondary disasters, informing precautionary decisions to evacuate locals from flood-prone areas.

Intense rain on Aug 3 unleashed a flash flood and mudslide in the city of Kangding, Sichuan, resulting in 27 people reported dead or missing.

Heavy rainfall

Meanwhile, China's national observatory on Sunday renewed a yellow alert for  as heavy rainfall is expected in several regions of the country.

From 2 pm Sunday to 2 pm Monday, downpours are expected to hit parts of Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Hunan, Guangxi, Guangdong and Yunnan, according to the National Meteorological Center.

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Some of these regions will experience short-term heavy rainfall, with hourly precipitation reaching 80 mm or more, accompanied by thunderstorms and gales.

Local governments have been urged to make appropriate preparations and inspect the drainage systems in cities, farmlands and fishponds.

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