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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 - Xian de Luotian Distance
Macheng 51.8 km
Gushi 72.7 km
Lushan 87.0 km
Fuyang 106.7 km
Xian de Huoshan 108.1 km
Nanchang 119.9 km
Xian de Xiushui 122.6 km
Wuhan 141.2 km
Bozhou 154.5 km
Xinyang 162.9 km
Xihua 171.8 km
Yichun 179.8 km
Ji'an 180.2 km
Anqing 184.1 km
Zhumadian 185.3 km
Xian de Nancheng 209.2 km
Hefei 211.0 km
Jingdezhen 213.3 km
Xian de Guangchang 217.4 km
Bengbu 243.7 km
Xuzhou 260.1 km
Yueyang 265.7 km
Zhengzhou 266.3 km
Shaowu 286.5 km
Changsha Aéroport 304.9 km
Monts Huang 307.9 km
Zaoyang 310.5 km
Zhongxiang 315.9 km
Wuhu 329.6 km
Nanyang 329.6 km
Wuyishan 329.6 km
Nanyue 339.5 km
Jingzhou 358.6 km
Nanping 371.1 km
Xian de Mengjin 377.3 km
Pucheng/FUJ 377.5 km
Nankin 383.5 km
Nankin Aéroport 384.2 km
Quzhou 396.7 km
Chunan 406.9 km
Changde 420.8 km
Laohekou 421.6 km
Huaiyin Xian 430.2 km
Liyang 455.8 km
Yichang 456.4 km
Xian de Ganyu 463.9 km
Shaoyang 465.0 km
Lingling 466.8 km
Fuzhou 494.3 km
Lushi 506.6 km
Lishui 517.0 km

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