Cover news reporters Chen Ganlu Chen Yuxiao reported from ZhangJiakou
On February 13, when heavy snow fell in the Zhangjiakou area, the temperature plummeted and visibility was low, and the first round of the Women's Freestyle Ski Slope Obstacle Course Qualification Tournament, which was originally scheduled to be held at 10:00 a.m., was first postponed to 12:00, and then due to heavy snowfall, it was not held on the 13th. This project is the "main item" of China's talented girl Gu Ailing, who is also the most popular person to win the championship.
In fact, the day before, Zhangjiakou had already snowed lightly, and on the morning of the 12th, it began to drift snow, and by about 9 o'clock, the snow stopped. Vehicles parked outdoors have become natural "steel frame snowmobiles". On the evening of the 12th, the zhangjiakou competition area media service has informed that the snow will be greater and the temperature will be lower on the 13th, and there will be an interview on the de-icing and snow sweeping guarantee in the morning.
A technical official in the Zhangjiakou division revealed in the circle of friends that if the snow the next day is too large, the game is very likely to be postponed or canceled.
On the morning of the 13th, the window was covered in silver, the road was lined with thick snow, volunteers took snow shovels and brooms and began to de-icing and sweeping snow, snow removal trucks drove by one after another, and the roads gradually became clean.
However, by about 9 o'clock, the temperature reached minus six degrees, and the snow suddenly became larger, blowing sideways with the wind, and the visibility was very low, and even the roof of the driving car was covered with snow. Volunteers for outdoor snow removal had to pause snow plowing, and only the snow removal trucks were still driving back and forth on the road.
According to the mobile phone's weather forecast, the snow in Zhangjiakou will last until 5 p.m., and the gusts of wind will be 10 meters per second. According to the blue warning of blizzard issued by the Central Meteorological Observatory at 06:00 on February 13, it is expected that from 08:00 on February 13 to 08:00 on February 14, there will be heavy snow in parts of north-central Hebei, northern Beijing, and southern Tianjin. The snow events of the Winter Olympics are carried out outdoors, including visibility, snow temperature, and snow quality, which have different degrees of influence on the progress of the game. At the 2018 Winter Olympics in PyeongChang, the qualifying event for women's snowboarding steeplechase was adjusted due to weather conditions.
Generally speaking, ski competitions require snow temperature <0 °C; freestyle aerial skills require an average wind speed of 1 minute <3 m/s during the competition period; ski jumping requires instantaneous wind speed <3 m/s, no crosswind, etc.
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