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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 - Changzi Distance
Xian de Yushe 43.2 km
Xian de Yangcheng 58.6 km
Xian de Mengjin 73.2 km
Taiyuan Aéroport 75.0 km
Taiyuan 79.8 km
Zhengzhou 106.7 km
Jiexiu 111.2 km
Yuanping 115.0 km
Nanyang 136.3 km
Mont Wutai 143.7 km
Anyang 167.0 km
Zaoyang 172.3 km
Datong 181.5 km
Xingtai 186.7 km
Zhumadian 188.2 km
Shijiazhuang 192.6 km
Lishi 204.9 km
Laohekou 206.4 km
Yuncheng 210.8 km
Xihua 211.2 km
Xinyang 220.2 km
Lushi 221.4 km
Xian de Hequ 234.6 km
Hohhot 238.0 km
Wei Xian 251.9 km
Croc Xian 288.3 km
Chaocheng 302.4 km
Xian de Dingtao 304.4 km
Zhangjiakou 307.4 km
Huayin 316.9 km
Baoding 325.4 km
Bozhou 338.6 km
Fuyang 352.0 km
Xian de Huailai 352.1 km
Dongsheng 354.6 km
Gushi 360.1 km
Yulin 362.7 km
Yan'an 375.3 km
Ling Xian/SHD 415.7 km
Pékin 419.2 km
Botou 420.1 km
Jinghe 439.2 km
Yanzhou 444.2 km
Ankang 447.5 km
Pékin-Capitale (Aéroport) 452.6 km
Jinan 466.2 km
Xianyang 466.9 km
Wanyuan 560.3 km

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