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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 - Hengshan/HUN Distance
Nanyue 18.8 km
Changsha Airport 43.3 km
Chenzhou 64.9 km
Yueyang 96.5 km
Lianzhou 117.9 km
Shaoguan 133.3 km
Lingling 145.4 km
Changde 152.4 km
Jingzhou 152.5 km
Shaoyang 155.8 km
Fogang 165.2 km
Yichun 170.7 km
Zhongxiang 172.3 km
Guangzhou Airport 174.3 km
Gaoyao 184.9 km
Wuhan 206.0 km
Xiushui 207.4 km
Lianping 220.9 km
Yichang 226.8 km
Ji'an 233.8 km
Wuzhou 234.5 km
Ganzhou 240.2 km
Wugang 249.5 km
Heyuan 256.0 km
Yuanling 279.2 km
Mengshan 289.8 km
Macheng 293.9 km
Guilin 296.1 km
Sangzhi 313.3 km
Xunwu 326.9 km
Nanchang 345.3 km
Tongdao 345.9 km
Guiping 346.8 km
Zhijiang 354.5 km
Lushan 363.4 km
Meixian 386.2 km
Guangchang 386.3 km
Changting 394.8 km
Enshi 397.7 km
Liuzhou 402.8 km
Fengjie 404.8 km
Nancheng 421.5 km
Huoshan 431.3 km
Shantou 459.9 km
Youyang 460.7 km
Jieyang Chaoshan Intl. Airport 460.8 km
Sansui 467.7 km
Rongjiang 484.9 km
Sinan 514.7 km
Hechi 545.1 km

Current weather