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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 - Cheng Xian Distância
Beidaoqu 30.5 km
Langzhong 71.5 km
Wudu 89.6 km
Huajialing 93.2 km
Nanchong 98.8 km
Zhongning 112.5 km
Pingliang 119.6 km
Mianyang 132.9 km
Neijiang 139.3 km
Hanzhong 148.1 km
Xunquim 156.0 km
Yuzhong 184.6 km
Fengxiang 187.1 km
Lanzhou 214.3 km
Dachuan 214.4 km
Aeroporto Internacional de Chengdu Shuangliu 216.3 km
Xifengzhen 222.5 km
Wenjiang 226.8 km
Yanchi 226.8 km
Songpan 241.3 km
Liangping 251.9 km
Wanyuan 263.5 km
Monte Emei 290.3 km
Zoigê 306.2 km
Zoigê 306.2 km
Hezuo 315.4 km
Ya'an 319.6 km
Wushaoling 331.0 km
Xianyang 334.6 km
Jinghe 362.5 km
Ankang 370.8 km
Barkam 390.9 km
Kangding 428.7 km
Fengjie 430.8 km
Yan'an 431.8 km
Enshi 433.3 km
Xining 448.3 km
Henan 459.0 km
Jiulong 485.2 km
Dawu 516.9 km

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