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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 - Hengyang Xian Distance
Nanyue 39.5 km
Changsha Airport 77.2 km
Lingling 89.1 km
Chenzhou 90.0 km
Lianzhou 93.2 km
Shaoyang 100.7 km
Changde 115.0 km
Yueyang 130.4 km
Jingzhou 142.8 km
Shaoguan 165.3 km
Gaoyao 167.3 km
Guangzhou Airport 186.6 km
Wuzhou 187.3 km
Fogang 187.5 km
Wugang 193.2 km
Yichang 194.3 km
Yuanling 227.0 km
Yichun 227.4 km
Mengshan 235.0 km
Guilin 239.5 km
Shenzhen Bao'an Intl. Airport 247.9 km
Taipa Airport 248.1 km
Xinyi 248.2 km
Wuhan 253.2 km
Lianping 262.5 km
Xiushui 262.9 km
Sangzhi 263.6 km
Hong Kong 267.2 km
Lau Fau Shan 267.4 km
Shenzhen 274.0 km
Ta Kwu Ling 278.6 km
Cheung Chau 278.6 km
Sha Tin 286.8 km
Tongdao 289.4 km
Ji'an 289.5 km
Ganzhou 292.0 km
Guiping 292.2 km
Heyuan 295.5 km
Zhijiang 299.3 km
Liuzhou 346.3 km
Enshi 348.3 km
Xunwu 376.9 km
Shanwei 383.6 km
Nanchang 401.9 km
Youyang 407.2 km
Sansui 411.9 km
Lushan 419.6 km
Rongjiang 428.5 km
Meixian 435.0 km
Guangchang 441.6 km
Changting 448.3 km
Sinan 459.8 km
Nancheng 477.6 km
Hechi 488.4 km
Nanning 491.3 km
Nanning/Wuxu AP 494.9 km
Shantou 507.0 km
Jieyang Chaoshan Intl. Airport 508.1 km

Current weather