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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 Qiaojia Distance
Xian de 42.7 km
Kunming Aéroport 50.9 km
Kunming 53.6 km
Huili 74.5 km
Xichang 76.2 km
Ya'an 77.1 km
Mont Emei 80.4 km
Zhaotong 93.4 km
Xian de Mengzi 103.4 km
Xian de Zhanyi 107.7 km
Luxi 112.7 km
Xian de Yuanmou 120.2 km
Ville-district de Kangding 129.7 km
Yuanjiang 130.8 km
Wenjiang 141.0 km
Chengdu-Shuangliu (Aéroport) 149.0 km
Weining 152.1 km
Sa Pa 154.4 km
Jiangcheng 159.6 km
Chuxiong 160.4 km
Lào Cai 163.4 km
Jiulong 165.1 km
Yibin 193.9 km
Xian de Dawu 221.3 km
Simao 235.4 km
Xian de Guangnan 251.3 km
Neijiang 255.4 km
Xian de Xingren 255.5 km
Bijie 258.1 km
Jinghong 262.5 km
Lijiang 272.7 km
Naxi 279.2 km
Xian de Daocheng 295.1 km
Xian de Litang 302.8 km
Dali 305.5 km
Lincang 307.7 km
Lancang 345.4 km
Bắc Kạn 350.1 km
Napo 352.1 km
Nanchong 368.6 km
Cao Bằng 389.5 km
Gengma 398.0 km
Chongqing 403.7 km
Baoshan 413.6 km
Guiyang 415.8 km
Baise 418.7 km
Batang 429.7 km
Xian de Luodian 430.6 km
Xian de Longzhou 445.7 km
Deqen 450.1 km
Xian de Tengchong 494.9 km

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