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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 Qianwei Distance
Chengdu-Shuangliu (Aéroport) 35.8 km
Wenjiang 40.9 km
Zhaotong 55.7 km
Mont Emei 69.0 km
Yibin 73.4 km
Weining 74.6 km
Xian de Zhanyi 98.8 km
Xian de Songpan 99.6 km
Mianyang 101.9 km
Xian de 105.0 km
Ya'an 107.4 km
Neijiang 130.3 km
Bijie 152.9 km
Zoigê 156.7 km
Wudu 157.5 km
Naxi 160.1 km
Kunming Aéroport 172.5 km
Xian de Xingren 173.9 km
Kunming 177.9 km
Xichang 190.4 km
Huili 200.2 km
Xian de Barkam 202.4 km
Ville-district de Kangding 221.7 km
Langzhong 234.2 km
Nanchong 241.6 km
Xian de Yuanmou 247.8 km
Jiulong 272.8 km
Chongqing 282.1 km
Chuxiong 288.2 km
Guiyang 311.3 km
Xian de Dawu 318.1 km
Xian de Luodian 333.0 km
Hanzhong 361.3 km
Lijiang 391.8 km
Dachuan 399.5 km
Xian de Daocheng 406.3 km
Seda 408.7 km
Xian de Litang 410.4 km
Xian de Dushan 413.7 km
Dali 427.2 km
Xian de Liangping 430.8 km
Karzé 443.0 km
Xian de Darlag 489.2 km
Baoshan 534.6 km
Batang 540.1 km

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