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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.


Estaciones meteorológicas cercanas - Yimen Distancia
Yuanjiang 32.1 km
Yuanmou 41.5 km
Huili 47.6 km
Kunming 58.1 km
Jiangcheng 61.4 km
Kunming Aeropuerto 65.4 km
Chuxiong 71.0 km
Xichang 77.0 km
Bounneua 77.1 km
Oudomxay 94.6 km
Mengla 97.3 km
Luang Namtha 113.4 km
Huize 131.5 km
Simao 138.4 km
Mengzi 139.1 km
Jinghong 164.9 km
Luxi 178.1 km
Zhanyi 186.9 km
Zhaotong 188.4 km
Sa Pa 192.6 km
Lijiang 195.0 km
Lao Cai 207.6 km
SƠn La 210.2 km
Houayxay 215.1 km
Lincang 217.6 km
Ciudad de Dali 221.9 km
Xam Neua 237.1 km
Weining 242.2 km
Lancang 252.6 km
Viengsay 254.0 km
Yibin 290.9 km
Kengtung 292.4 km
Gengma 308.8 km
Guangnan 323.2 km
Baoshan 328.5 km
Xingren 336.4 km
Bijie 348.3 km
Deqen 373.3 km
Naxi 374.1 km
Tengchong 410.1 km
Hà Đông 412.7 km
Bắc Kạn 413.7 km
Nội Bài aeropuerto 416.0 km
Thái Nguyên 416.3 km
Napo 422.7 km
Cao Bằng 457.8 km
Nam Định 457.9 km
Baise 494.0 km
Guiyang 501.6 km
Phu Lien 508.4 km
Luodian 512.5 km
Longzhou 514.1 km
Lạng SƠn 517.9 km