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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.


Estações Meteorológicas Próximas - Xian Xian Distância
Botou 48.5 km
Ling Xian/SHD 65.4 km
Baoding 69.2 km
Pequim 88.0 km
Aeroporto Internacional de Pequim-Capital 106.6 km
Chaocheng 120.1 km
Tianjin 125.5 km
Huailai 127.5 km
Jinan 130.4 km
Tai'an 145.8 km
Aeroporto Internacional de Tianjin Binhai 146.1 km
Yanzhou 153.4 km
Fengning 160.6 km
Huimin 161.4 km
Dingtao 163.1 km
Zhangjiakou 185.4 km
Xingtai 187.6 km
Shijiazhuang 189.4 km
Wei Xian 189.6 km
Dolon Nor 201.0 km
Anyang 218.1 km
Xuzhou 226.0 km
Tangshan 238.5 km
Yiyuan 248.1 km
Chengde 248.4 km
Fei Xian 252.3 km
Weichang 262.2 km
Monte Wutai 291.6 km
Huade 293.5 km
Laoting 316.4 km
Zhengzhou 318.9 km
Datong 322.4 km
Qinglong 335.3 km
Weifang 349.1 km
Yushe 352.6 km
Jining 364.2 km
Ganyu 377.6 km
Chifeng 380.4 km
Yuanping 381.2 km
Taiuã Aeroporto 388.3 km
Taiuã 397.5 km
Rizhao 406.2 km
Jurh 407.4 km
Yangcheng 431.7 km
Mengjin 437.6 km
Longkou 468.5 km
Qingdao 482.4 km
Qingdao Aeroporto 485.5 km
Changdao 512.2 km
Chaoyang 513.9 km
Baoguotu 555.3 km

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