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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 - Yiliang/YNN Distance
Weining 33.3 km
Zhaotong 34.3 km
Xian de Zhanyi 60.0 km
Yibin 69.1 km
Chengdu-Shuangliu (Aéroport) 80.2 km
Wenjiang 85.7 km
Luxi 88.7 km
Xian de 91.1 km
Mont Emei 93.9 km
Mianyang 127.2 km
Neijiang 131.1 km
Ya'an 131.9 km
Bijie 132.1 km
Xian de Mengzi 134.5 km
Xian de Xingren 140.5 km
Xian de Guangnan 150.8 km
Naxi 151.9 km
Kunming Aéroport 159.8 km
Kunming 166.3 km
Xichang 198.6 km
Huili 201.9 km
Xian de Barkam 229.1 km
Ville-district de Kangding 239.6 km
Langzhong 241.7 km
Nanchong 244.1 km
Napo 245.5 km
Xian de Yuanmou 247.6 km
Yuanjiang 251.2 km
Chongqing 276.4 km
Jiulong 285.8 km
Chuxiong 287.4 km
Guiyang 291.4 km
Baise 304.2 km
Xian de Luodian 309.3 km
Xian de Dawu 336.4 km
Xian de Dushan 393.4 km
Dachuan 398.8 km
Lijiang 399.3 km
Xian de Daocheng 418.7 km
Xian de Litang 424.7 km
Xian de Liangping 427.6 km
Dali 432.7 km
Lincang 435.1 km
Hechi 454.2 km
Karzé 459.9 km
Xian de Sinan 467.6 km
Xian de Rongjiang 501.7 km
Sansui 514.3 km
Youyang 526.4 km

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