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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Stations météo à proximité - Tongzhou Distance
Pékin-Capitale (Aéroport) 9.3 km
Pékin 39.0 km
Fengning 64.9 km
Tianjin 72.2 km
Tianjin Binhai (Aéroport) 88.0 km
Botou 91.8 km
Dolon Nor 114.3 km
Xian de Huailai 128.4 km
Ling Xian/SHD 129.0 km
Baoding 129.7 km
Chengde 156.4 km
Xian de 158.2 km
Weichang 161.2 km
Tangshan 169.3 km
Jinan 173.0 km
Tai'an 191.6 km
Zhangjiakou 199.3 km
Xilinhot 209.0 km
Yanzhou 219.2 km
Chaocheng 223.2 km
Wei Xian 230.1 km
Linxi 246.8 km
Xian de Laoting 253.6 km
Xian de Yiyuan 255.0 km
Qinglong 259.1 km
Shijiazhuang 262.7 km
Xian de Dingtao 265.5 km
Xingtai 274.1 km
Fei Xian 279.6 km
Chifeng 286.9 km
Xian de Huade 307.9 km
Anyang 311.1 km
Weifang 327.8 km
Mont Wutai 349.9 km
Datong 367.5 km
Lindong 374.1 km
Rizhao 399.1 km
Jining 400.4 km
Xian de Yushe 427.5 km
Longkou 427.7 km
Jurh 431.3 km
Chaoyang 433.6 km
Yuanping 441.2 km
Taiyuan Aéroport 456.4 km
Qingdao 459.6 km
Qingdao Aéroport 460.1 km
Taiyuan 465.1 km
Changdao 466.7 km
Baoguotu 470.7 km
Xian de Yangcheng 513.5 km
Erenhot 543.2 km

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