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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.


Nearby Weather Stations - Changyang Distance
Yichang 16.0 km
Fang Xian 77.8 km
Changde 80.1 km
Laohekou 94.7 km
Jingzhou 111.5 km
Yuanling 117.7 km
Sangzhi 120.7 km
Shaoyang 134.6 km
Lushi 144.6 km
Zhongxiang 156.7 km
Wugang 160.4 km
Lingling 178.5 km
Zaoyang 179.3 km
Nanyang 188.7 km
Fengjie 188.7 km
Enshi 191.2 km
Huayin 199.5 km
Zhijiang 204.0 km
Changsha Airport 209.3 km
Nanyue 214.1 km
Yueyang 216.3 km
Mengjin 227.9 km
Tongdao 228.7 km
Ankang 254.3 km
Youyang 276.1 km
Jinghe 289.5 km
Sansui 309.9 km
Xianyang 312.5 km
Xinyang 327.0 km
Zhengzhou 328.4 km
Wuhan 328.5 km
Zhumadian 333.4 km
Sinan 339.9 km
Wanyuan 355.7 km
Yichun 374.2 km
Liangping 376.7 km
Xiushui 383.5 km
Xihua 397.7 km
Dachuan 410.9 km
Macheng 422.3 km
Ji'an 445.6 km
Fengxiang 448.2 km
Hanzhong 471.5 km
Gushi 504.7 km
Fuyang 517.5 km
Bozhou 532.0 km
Nanchang 533.4 km
Lushan 535.8 km

Current weather