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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 - Yang Xian Distância
Fengxiang 47.2 km
Hanzhong 57.7 km
Wanyuan 66.5 km
Dachuan 67.8 km
Xifengzhen 85.2 km
Liangping 90.0 km
Pingliang 124.5 km
Xianyang 136.2 km
Yanchi 153.5 km
Jinghe 163.3 km
Ankang 166.0 km
Xunquim 169.1 km
Nanchong 180.8 km
Langzhong 183.9 km
Beidaoqu 190.4 km
Fengjie 230.2 km
Enshi 237.1 km
Yan'an 247.8 km
Zhongning 249.6 km
Huayin 285.6 km
Huajialing 291.8 km
Wudu 293.2 km
Neijiang 293.3 km
Sangzhi 321.9 km
Mianyang 323.6 km
Fang Xian 360.7 km
Yuzhong 386.9 km
Lushi 389.0 km
Yuncheng 391.6 km
Aeroporto Internacional de Chengdu Shuangliu 408.5 km
Lanzhou 416.9 km
Wenjiang 420.5 km
Lishi 425.3 km
Yichang 427.6 km
Songpan 443.7 km
Laohekou 459.3 km
Monte Emei 481.8 km
Changde 485.5 km
Jiexiu 508.5 km
Ya'an 515.1 km

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