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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 - Yishan Distância
Rongjiang 54.7 km
Hechi 69.1 km
Liuzhou 81.8 km
Nanning 82.2 km
Nanning/Wuxu Airport 84.9 km
Sansui 88.5 km
Qinzhou 90.3 km
Beihai 118.3 km
Móng Cái 129.8 km
Sinan 130.7 km
Dushan 132.8 km
Tongdao 138.8 km
Youyang 155.8 km
Zhijiang 156.7 km
Guiping 162.7 km
Bạch Long Vĩ 184.4 km
Guilin 184.5 km
Mengshan 206.2 km
Luodian 213.9 km
Longzhou 225.0 km
Zhanjiang 228.0 km
Lang Son 229.7 km
Baise 230.9 km
Guiyang 234.4 km
Wugang 234.5 km
Yuanling 243.2 km
Haikou 249.8 km
Phu Lien 258.1 km
Xinyi 264.8 km
Cao Bằng 275.7 km
Wuzhou 295.6 km
Napo 304.9 km
Nam Định 310.8 km
Bắc Kạn 324.6 km
Shaoyang 328.8 km
Thái Nguyên 329.4 km
Lingling 335.1 km
Aeroporto Internacional de Noi Bai 338.8 km
Hà Đông district 342.9 km
Yangjiang 380.9 km
Xingren 389.0 km
Naxi 391.2 km
Bijie 392.9 km
Guangnan 401.0 km
Lianzhou 413.9 km
Gaoyao 426.7 km
Nanyue 462.3 km
Shangchuandao 469.0 km
Yibin 472.8 km
Changsha Aeroporto 490.2 km
Weining 493.6 km
Viengsay 509.6 km
Xam Neua 527.4 km

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