Wang Zhe, trainee reporter of China Youth Daily and China Youth Network
During the 2022 Beijing Winter Olympics, the National Alpine Ski Center and the National Bobsleigh Center in the Yanqing Area of Beijing will undertake downhill, super giant slalom, bobsleigh, bobsleigh and other competitions. The open-air and semi-open-air competition environment here puts forward higher requirements for meteorological service guarantee work.
"The racing track at the Alpine Ski Center has a vertical drop of 900 meters from the top of the mountain to the foot of the mountain, and the athletes can glide at a speed of 100 km/h, and the height difference at some starting points can reach about 50 meters." Although it is fast and ornamental, it is known as "a pearl in the crown of the Winter Olympics". However, in the view of Yan Hongliang, deputy director of the Yanqing Meteorological Observatory and meteorological support personnel of the Winter Olympics, a little lateral wind may affect the performance of athletes and even safety.
In fact, as early as 2014, the construction of the winter Olympic meteorological comprehensive monitoring system has begun. At that time, Yan Hongliang and his colleagues went to Haituo Mountain to "build a station" under the conditions of no water, no electricity, no roads, and no communications. Carrying a few kilograms of instruments at a time, and then using mules to drive heavier instruments, running to the mountain one after another, the construction of automatic weather stations and weather radars was completed on Yanqing Haituo Mountain.
Yanqing Meteorological Service Sub-Center of the Winter Olympics, the working place of Yanqing Meteorological Service Group.
Yan Hongliang introduced the meteorological system and platform for serving the Winter Olympics.
In 2017, the Beijing Meteorological Bureau established the Beijing Meteorological Center for the Winter Olympics, which has ten groups under one office, and Yan Hongliang's Yanqing Meteorological Service Group as one of the groups, for the competition team, the venue group command center, the urban operation command center and other demand parties, undertook the forecasting services of the competition venues and non-competition venues, equipment maintenance and repair, and also undertook a number of work in the competition area and peripheral transportation, forest fire prevention, and urban operation guarantee.
Young people make up the vast majority of the 49-member team, the youngest of whom was in 1996.
"The vertical change of the track is large, the characteristics of each point are different, and the various elements on the mountain change dramatically, how to grasp the evolution of the wind is a difficult point for our meteorological observation." Yan Hongliang mentioned.
In order to accumulate forecasting experience, the members of the Yanqing Meteorological Service Group often have to go up the mountain to experience the weather. Especially when encountering turning weather such as snow and strong winds, it is even more necessary to chase the wind and snow, go to the mountains in bad weather, see the changes in the wind at each height and station, and combine their existing meteorological knowledge to repeatedly compare the forecast situation with the actual situation. In this way, they insisted on it for 5 years.
In order to provide meteorological services more accurately, scientific and technological forces have also been integrated into the meteorological forecasting of the Winter Olympics, such as the multi-dimensional Winter Olympic forecasting business platform, the winter Olympics on-site meteorological service platform, and the winter Olympic meteorological comprehensive visualization system. Among them, the visualization system, through different classifications such as automatic station, cloud energy day, vertical observation, radar, etc., centralizes and intuitively presents real-time meteorological data such as temperature, humidity, wind direction and wind speed in the competition area.
In addition, compared with daily meteorological monitoring, monitoring in such a small scale and tiny space with drastic terrain changes in the competition area requires the construction of a dense monitoring network. At the same time, because the monitoring site is built along the track, from the construction of the venue to the final finalization has undergone many changes, so the site uses a steel frame structure, which is removable and easy to migrate.
After continuously accumulating forecasting experience under complex terrain, during the test match, the Yanqing Meteorological Service Group provided 898 issues of 10 types of meteorological special reports and 509 issues of daily decision-making information such as race time services, venue command, urban operation, forest fire prevention, atmospheric environment, transportation, snow sweeping and ice shoveling, etc.; detection and operation and maintenance personnel, accumulatively completed 74 inspections and maintenance, 56 repairs and repairs, and 51 observations of snow temperature.
It is understood that during the Beijing Winter Olympics, 11 people in the Yanqing Meteorological Service Group will participate in the meteorological support of the core competition area, of which 7 people will be responsible for making the meteorological service report of the competition area according to the monitoring data to ensure that it is updated every hour; the other 4 people will be responsible for the detailed explanation of the meteorological service report transmitted from the rear in the competition area, and communicate with the referees, coaches and event organization policies in the front to communicate with the future weather changes in a timely manner.
Staff are recording various data.
Source: China Youth Daily client