ANQING, July 2, 2016 -- Rescuers evacuate a little girl in Shouquan Village of Huaining County, east China's Anhui Province, July 2, 2016. Due to heavy rainfall, rescuers were sent to Shouquan Village to evacuate more than 60 villagers trapped in flood early Saturday morning. The National Meteorological Center (NMC) and the Ministry of Water Resources warned of high risks of mountain torrents in parts of Anhui, Hunan, Guizhou and Tibet from Friday evening to Saturday evening, suggesting residents take necessary precautions. (Xinhua/Wang Tianxiang)

ANQING, July 2, 2016 -- Rescuers evacuate a senior villager in Shouquan Village of Huaining County, east China's Anhui Province, July 2, 2016. Due to heavy rainfall, rescuers were sent to Shouquan Village to evacuate more than 60 villagers trapped in flood early Saturday morning. The National Meteorological Center (NMC) and the Ministry of Water Resources warned of high risks of mountain torrents in parts of Anhui, Hunan, Guizhou and Tibet from Friday evening to Saturday evening, suggesting residents take necessary precautions. (Xinhua/Chen Kaihang)

BEIJING, July 3 (Xinhua) -- China's meteorological authority on Sunday renewed its orange alert for heavy rain across much of the southern regions in the coming 24 hours.

Thunderstorms will hit the provinces of Hubei, Anhui, Jiangsu, Hunan, Jiangxi, Guizhou and Guangxi Zhuang Autonomous Region from Sunday morning to Monday morning, with precipitation reaching up to 220 millimeters in some areas, the National Meteorological Center said on its website.

The center suggested people reduce outdoor activities and take precautions against possible floods and landslides.

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