Affected by the northwest air flow behind the high-altitude trough, from December 24 to 25, there was cooling, blowing wind, and light snowfall in most parts of Qinghai Province, while there was cooling in the north, and the local area could reach 8℃ or higher. Affected by snowfall, traffic restrictions were imposed on the G6 Expressway in Qinghai, in the direction of Chaka at the entrance of the Nomuhong Ramp toll gate on the Chage Road section, and in the direction from Golmud to Chaka at the Nomuhong Interchange Interchange. Traffic control is enforced at the entrance of the Dulan ramp toll gate on the Chage Road section in the direction of Chaka; in the direction of Chaka at the entrance of the Xangride East Ramp; in the direction of Chaka at the entrance of the Ikgaoli Ramp; in the direction of Golmud to Chaka at the Kohl Interchange; and in the direction of Golmud to Chaka at the Dulan Interchange Interchange. Traffic control is enforced in the direction of the Dashuiqiao Main Line toll gate on the Gongcha Road section; in the direction of the tea card at the Dashuiqiao ramp toll gate. On the G0615 highway, traffic control is carried out in the direction from the Xiangride South Main Line toll gate on the Xianghua Road section to Chaka. On the G3011 highway, when the main Yuka toll gate on the main line of the road is connected to the Yuka Ramp toll gate, the Chaka Ramp toll gate is subject to temporary traffic control in the direction from Chaka Ramp to Golmud. On the G227 line, traffic control is imposed for large vehicles on the section between Dabanshan and Niuchang checkpoints in Datong County. Small vehicles must be equipped with anti-skid chains before they can pass.

Affected by the northwest air flow behind the high-altitude trough, from December 24 to 25, there was cooling, blowing wind, and light snowfall in most parts of Qinghai Province, while there was cooling in the north, and the local area could reach 8℃ or higher. Affected by snowfall, traffic restrictions were imposed on the G6 Expressway in Qinghai, in the direction of Chaka at the entrance of the Nomuhong Ramp toll gate on the Chage Road section, and in the direction from Golmud to Chaka at the Nomuhong Interchange Interchange. Traffic control is enforced at the entrance of the Dulan ramp toll gate on the Chage Road section in the direction of Chaka; in the direction of Chaka at the entrance of the Xangride East Ramp; in the direction of Chaka at the entrance of the Ikgaoli Ramp; in the direction of Golmud to Chaka at the Kohl Interchange; and in the direction of Golmud to Chaka at the Dulan Interchange Interchange. Traffic control is enforced in the direction of the Dashuiqiao Main Line toll gate on the Gongcha Road section; in the direction of the tea card at the Dashuiqiao ramp toll gate. On the G0615 highway, traffic control is carried out in the direction from the Xiangride South Main Line toll gate on the Xianghua Road section to Chaka. On the G3011 highway, when the main Yuka toll gate on the main line of the road is connected to the Yuka Ramp toll gate, the Chaka Ramp toll gate is subject to temporary traffic control in the direction from Chaka Ramp to Golmud. On the G227 line, traffic control is imposed for large vehicles on the section between Dabanshan and Niuchang checkpoints in Datong County. Small vehicles must be equipped with anti-skid chains before they can pass.