For the first time, meteorological technology has achieved the ability to forecast weather at the level of 100 meters and minutes

2022-09-15 0 By

Photo by Liu Chenyin/Beijing 2022 A press conference on Beijing Urban Service guarantee is held at Beijing Press Center in Beijing, Capital of China, Feb. 5, 2022.Ji Chongping, chief engineer of the Beijing Meteorological Bureau, said that the winter Olympics meteorological science and technology innovation achieved two “first” : the first organization and implementation of the winter multi-dimensional comprehensive meteorological observation experiment under complicated terrain in China’s mid-latitude mountainous area;For the first time, it has realized the operational weather forecasting capability of “100 meter level and minute level”.Ji Chongping further explained the specific meaning of “100-meter level, minute level” forecast, which means that in the core area of mountain courses of the Winter Olympics, grid spacing can reach 100 meters, and the time is accurate to 10 minutes a time forecast.In order to meet the demand of high-precision short-time near forecast service for the Winter Olympics, Beijing Meteorological Bureau, with the support of the Ministry of Science and Technology, has adopted a series of data fusion and other technical methods by using encrypted automatic station, radar data and high-resolution data.The forecast of temperature, humidity, wind, precipitation and other weather elements can be updated every ten minutes, covering 100 meters of mountain competition area of the Winter Olympics.At the same time, for the first time in China, multi-dimensional comprehensive meteorological observation experiment under complicated terrain in winter was carried out in mid-latitude mountainous areas.The three-dimensional and encrypted meteorological observation network of Yanqing and Zhangjiakou has been constructed, which provides fine 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.Ji chongping introduced, according to the latest data analysis, until the 20th, the temperature of Beijing, Yanqing, Zhangjiakou three competition areas close to the usual, during this period, there are three cold air activities.Before and after February 7, there will be weak cold air influence, there will be 3, 4 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 Chongping said, due to a long time, the above forecast is still uncertain, the city meteorological department will closely track the weather and climate situation changes, timely update the forecast conclusion.