China's national observatory has issued a yellow alert.

中国国家天文台发布了黄色预警。

The National Meteorological Center issued a yellow smog alert Sunday morning.

周日早上，中国国家气象中心发布了霾黄色预警。

China's National Meteorological Center has renewed a yellow alert for rainstorms.

中国国家气象中心发布了暴雨黄色预警。

China's national observatory has issued a yellow alert, the third highest level in its weather warning system.

中国国家天文台发布了黄色预警，也就是天气预警系统的第三高级别信号。

China has issued a yellow alert for rainstorms in southwestern parts of the country, calling for precautionary measures.

中国发布了西南地区暴雨黄色预警，呼吁采取预防措施。

Heavy rainfall continues to lash southern China with the national weather agency issuing a yellow alert.

暴雨继续袭击中国南方，国家气象局发布了黄色警报。

China's National Meteorological Center has issued a yellow alert for rainstorms as heavy downpours hit central and eastern regions.

随着暴雨袭击中东部地区，中国国家气象中心发布了暴雨黄色预警。

And China's National Observatory has issued a yellow alert as heavy downpours continue in south and central parts of the country.

中国国家天文台发布黄色预警，南部和中部地区仍有持续大雨。

China's weather authority has issued a yellow alert for Typhoon Haikui, the third most severe warning of its four-tier typhoon warning system.

中国气象局发布了台风海葵的黄色预警，这是四级台风预警系统中的第三级。

The ministry says 27 out of 31 provinces are on red alert for a high risk of infection, while the other four are on yellow alert.

卫生部表示，31个省中有27个省处于感染高风险的红色警戒状态，其他4个省处于黄色警戒状态。

China's national observatory has issued a yellow alert for Koinu, as the 14th typhoon of this year is expected to bring gales to southern and eastern parts of the country.

中国国家气象台发布了今年第 14 号台风“小犬”黄色预警，预计将给我国南部和东部地区带来强台风。