cold wave yellow early warning signal

Cold wave yellow warning signal is the second level of cold wave warning signal.

The yellow warning signal of cold wave indicates that the minimum temperature will drop by more than 10℃ within 24 hours, the minimum temperature is less than or equal to 4℃, and the average wind power on land can reach above 6. Or it has dropped above 10℃, the lowest temperature is less than or equal to 4℃, and the average wind force is above 6, and it may continue; At February 12, 2023 12, the Central Meteorological Observatory issued a yellow warning of cold wave.

When the meteorological department issues a cold wave warning signal, the relevant departments and citizens should take preventive measures. The strong wind and cooling weather brought by strong cold air will have a great impact on social production and residents' life.

The meteorological department reminded that under the cold wave warning, ships in rivers, lakes and seas should return to Hong Kong in time; During the gale, pedestrians should pay attention to riding bicycles as little as possible and don't stay near billboards and temporary structures.

Countermeasures for cold wave in 2023;

1, Beijing: The subway extends the delivery time of peak capacity.

According to the forecast of the meteorological department, there will be small to medium snow in Beijing on the night of June 5438+February 10, and snowfall is more obvious in Mentougou, Fangshan, Yanqing, Changping and Daxing, which is expected to have a certain impact on Monday morning rush hour traffic.

Beijing Metro announced that Beijing ground line trains will turn on warm air and electric heating in advance. During the morning rush hour on Monday, it is 65438+February 1 1. According to the passenger flow, the peak capacity of suburban lines is extended by 1 hour, and that of urban lines is extended by 40 minutes.

2. Shanxi: Traffic control measures are implemented in some high-speed highways.

Affected by the strong cold air, most areas in Shanxi ushered in rain and snow to cool down, and the drop in some areas exceeded 12℃. In Yangquan, Jincheng and other places, snow has appeared on the roads in expressway. In order to ensure traffic safety, the traffic police implemented traffic control measures on snow-covered sections and icy sections. At present, some road sections have implemented traffic closure control measures.

In Taiyuan, in order to cope with the adverse effects of rain and snow cooling on outdoor workers, more than 2,000 "bee warming stations" have been set up to provide outdoor workers with hot water, charging, first aid kits, food heating and other services.

3. Shandong: Many fishing boats returned to Hong Kong to take shelter from the wind.

On the afternoon of June 5438+February 10, 2023, Shandong Meteorological Observatory continued to issue a yellow warning of strong winds at sea. Affected by strong cold air, the temperature in Shandong Province dropped, and waves of more than 3 meters appeared in some sea areas. Fishing boats operating outside Yantai and Weihai returned to Hong Kong to take shelter from the wind.

Law enforcement officers of the local marine and fishery departments went to fishing ports and centralized berthing points for fishing boats to inspect all fishing boats one by one, and at the same time assisted the fishing boats entering the port to do a good job in wind prevention and reinforcement.