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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.


Stations météo à proximité - Hengyang Distance
Nanyue 20.4 km
Changsha Aéroport 64.6 km
Chenzhou 67.7 km
Lianzhou 93.3 km
Lingling 113.0 km
Yueyang 120.0 km
Shaoyang 126.9 km
Changde 136.2 km
Shaoguan 142.8 km
Jingzhou 152.8 km
Gaoyao 164.9 km
Xian de Fogang 168.2 km
Canton Aéroport 170.9 km
Yichun 202.5 km
Wuzhou 202.8 km
Yichang 214.3 km
Wugang 219.0 km
Shenzhen Bao'an (Aéroport) 229.8 km
Taipa Aéroport 232.9 km
Wuhan 236.7 km
Xian de Lianping 237.9 km
Xian de Xiushui 240.3 km
Shan de Lau Fau 248.5 km
Hong Kong 249.0 km
Xian de Yuanling 253.1 km
Shenzhen 254.3 km
Xian de Mengshan 256.8 km
Ta Kwu Ling 258.7 km
Île de Cheung Chau 260.1 km
Ji'an 263.6 km
Guilin 263.8 km
Xinyi 263.9 km
Ganzhou 265.8 km
Sha Tin 266.9 km
Heyuan 271.5 km
Xian de Sangzhi 289.2 km
Guiping 313.9 km
Tongdao 314.9 km
Zhijiang 325.4 km
Xian de Xunwu 350.9 km
Shanwei 359.8 km
Liuzhou 370.4 km
Enshi 373.9 km
Nanchang 377.3 km
Lushan 396.1 km
Xian de Mei 409.2 km
Xian de Guangchang 415.6 km
Changting 422.1 km
Youyang 433.4 km
Sansui 437.9 km
Xian de Nancheng 452.0 km
Xian de Rongjiang 454.2 km
Shantou 481.5 km
Jieyang Chaoshan (Aéroport) 482.5 km
Xian de Sinan 485.9 km
Hechi 513.5 km
Nanning 515.0 km
Nanning/Wuxu (Aéroport) 518.7 km

Situation actuelle