The latest cold air news from the National Meteorological Station of China said that from November 16 to 18, the cold air will cause strong winds, temperatures drop sharply in the northern and eastern regions of China, with the average or lowest temperature of the day could drop by 6 to 10 degrees Celsius.
In particular, the temperature in some areas of Thinh Tay, Trung Khanh, Ha Nam and Ho Bac provinces may decrease by 12 to 14 degrees Celsius.
China issued a blue alert for the cold front on November 6, with a cold front forecast to affect large areas of China in the following days.
China has a four-tier weather warning system, with red being the most severe warning level, followed by orange, yellow and blue.

Along with the latest cold front warning, the National Meteorological Station called on relevant agencies to strengthen preparations and call for preventive measures to protect tropical crops and aquaculture from the effects of cold.
Also related to the strengthening cold air mass, the Hong Kong Meteorological Station (China) said that the northeast monsoon is expected to affect the coastal area of Guangdong on the night of November 17, leading to a significant drop in temperature and wind for a few days.
The weather forecast for the next 9 days from the Hong Kong Meteorological Station (China) clearly shows that the temperature will drop to 15 degrees Celsius on November 18 before dropping to the lowest level of 13 degrees Celsius on November 19. With the highest temperature being 20 degrees Celsius on November 18 and 18 degrees Celsius on November 19.
The cold front is expected to not last more than a few days, as temperatures are expected to gradually increase back to their peak around mid-20 degrees Celsius on November 22.
The weather bulletin of the Thai Meteorological Department said that cold air from the north has swept down to the north of the country, with the lowest temperature dropping to 18 degrees Celsius. Along with the drop in temperature, strong winds were also recorded in many areas in Thailand due to the influence of a strong high pressure system originating from China with a wide range of influence from northern Thailand to the East Sea.
According to weather forecasters from the Vietnam National Center for Hydro-Meteorological Forecasting, strong cold air is continuing to move south.
It is forecasted that around the afternoon and night of November 17, cold air will affect the Northeast and North Central regions, then affect the Northwest and Central Central regions and some places in the South Central region. Strong northeast wind level 3-4, coastal areas level 4-5.