China's national observatory renewed an orange alert for thick fog in some parts of the country on Thursday (Dec. 28).
On Thursday morning, heavy fog is expected to affect parts of Hebei, Shandong, Henan, Anhui, Jiangsu, Shanghai, Zhejiang, and Chongqing, according to the National Meteorological Center.
Visibility in some affected areas will be reduced to less than 200 meters, the center said.
According to the center, airports, expressways, and ferry terminals should implement measures to ensure traffic safety, and drivers are recommended to control their speed to ensure safety.
China has a three-tier color-coded warning system for thick fog, with red being the most serious, followed by orange and yellow.
Tag:·orange alert for thick fog· China's national observatory· color-coded warning system for thick fog
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