Weather engineer: During the Winter Olympics, the temperature in the competition area is close to the normal

2022-07-17 0 By

To February 20, during the Beijing Winter Olympics, the temperature in Beijing, Yanqing, Zhangjiakou three competition areas is close to the usual, during which there will be three cold air activities.Beijing City Service guarantee special press conference was held in 2022 Beijing Press Center on The morning of 5th.Ji Chongping, chief engineer of the Beijing Meteorological Bureau, made the prediction at a press conference.In the Winter Olympic Games, especially in the outdoor snow and ice events, the weather conditions play an important role in the smooth holding of the games and the performance of athletes.Ji Chongping said, according to the latest data analysis, as of the 20th, the temperature of Beijing, Yanqing, Zhangjiakou three competition area is close to the usual, during which there are mainly the following three cold air activities, around February 7, there is weak cold air influence, there are 3, 4 level north wind;From February 11 to 13, there will be weak cold air, rain and snow;Around February 18, there will be cold air activity.Ji added that the forecast is still uncertain due to the long period of time.Beijing meteorological department will closely follow the weather and climate situation changes, timely update the forecast conclusions.Ji chongping said that in order to ensure the smooth progress of the Winter Olympics meteorological work, the Winter Olympics meteorological science and technology innovation to achieve two “first”.First, for the first time, a multi-dimensional comprehensive meteorological observation experiment was conducted in the mountainous area of mid-latitude in China under complicated terrain in winter.The three-dimensional and encrypted meteorological observation network of Yanqing and Zhangjiakou has been built, which provides detailed weather “background” data for the research and development of meteorological forecast technology and practical services of the Winter Olympics, and also lays a foundation for deepening the research of mountain meteorology in China.Second, for the first time, it has realized the operational weather forecasting capability of “100-meter and minute-level”.Based on numerical prediction, machine learning and other technologies, a winter Olympics weather forecast product covering 100 meters grid and updated in 10 minutes has been formed, which greatly improves the forecast accuracy of key weather elements of the Winter Olympics and effectively supports the forecast service team to carry out fine weather services.Ji Chongping introduced that the so-called “100-meter level, minute level” forecast refers to the core area of the mountain track of the Winter Olympics, can provide grid spacing of 100 meters, accurate time to 10 minutes a forecast.During the Beijing Olympics, to meet the games are high precision of forecast service requirements closer to the short time, meteorological department use encryption automatic station data, radar data and high resolution, etc., by adopting the method of data fusion technology, can generate covering the games mountain division hundreds of meters, updated once every 10 minutes, the weather elements such as temperature, humidity, wind, precipitation forecast.Source: