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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 - Yichang Distância
Yichang 3.3 km
Laohekou 76.6 km
Fang Xian 79.4 km
Changde 81.1 km
Jingzhou 98.1 km
Lushi 135.7 km
Yuanling 136.8 km
Sangzhi 138.9 km
Zhongxiang 140.1 km
Shaoyang 144.4 km
Zaoyang 161.0 km
Nanyang 169.6 km
Wugang 177.8 km
Lingling 187.6 km
Huayin 200.5 km
Changsha Aeroporto 202.5 km
Fengjie 202.5 km
Yueyang 205.1 km
Enshi 206.8 km
Mengjin 209.5 km
Nanyue 211.2 km
Zhijiang 223.0 km
Tongdao 247.8 km
Ankang 264.9 km
Youyang 293.3 km
Jinghe 296.8 km
Zhengzhou 309.3 km
Xinyang 309.9 km
Wuhan 313.6 km
Zhumadian 315.4 km
Xianyang 320.7 km
Sansui 328.4 km
Sinan 357.4 km
Yichun 364.6 km
Wanyuan 368.7 km
Xiushui 371.3 km
Xihua 379.4 km
Liangping 391.5 km
Macheng 406.7 km
Dachuan 425.2 km
Ji'an 436.4 km
Fengxiang 459.0 km
Hanzhong 484.1 km
Gushi 488.2 km
Fuyang 500.4 km
Bozhou 514.2 km
Nanchang 521.0 km
Lushan 522.1 km

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