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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 - Sanmenxia Distância
Yuncheng 22.4 km
Lushi 35.3 km
Lishi 109.0 km
Laohekou 111.2 km
Fang Xian 120.4 km
Jiexiu 123.0 km
Huayin 124.9 km
Yangcheng 136.5 km
Mengjin 137.3 km
Yichang 165.8 km
Nanyang 170.5 km
Taiuã 194.6 km
Zaoyang 196.9 km
Taiuã Aeroporto 201.2 km
Yan'an 201.6 km
Yulin 213.7 km
Jingzhou 213.8 km
Zhongxiang 214.1 km
Yushe 220.0 km
Yuanping 234.2 km
Fengjie 238.4 km
Jinghe 249.0 km
Ankang 254.0 km
Enshi 260.2 km
Zhengzhou 272.8 km
Xianyang 276.9 km
Zhumadian 322.8 km
Xinyang 337.1 km
Anyang 357.0 km
Wanyuan 366.9 km
Xihua 371.8 km
Wuhan 372.4 km
Xingtai 380.1 km
Shijiazhuang 384.2 km
Xifengzhen 398.5 km
Liangping 408.0 km
Fengxiang 425.0 km
Dachuan 432.6 km
Yanchi 436.9 km
Macheng 447.8 km
Hanzhong 468.1 km
Dingtao 486.2 km
Chaocheng 491.0 km
Bozhou 510.0 km
Gushi 510.6 km
Fuyang 511.8 km
Baoding 517.7 km

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