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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.


Poblíž povětrnostní stanice - Tonghai Vzdálenost
Kchun-ming Letiště 21.7 km
Kchun-ming 23.3 km
Mengzi 72.9 km
Huili 82.6 km
Huize 82.8 km
Yuanjiang 86.2 km
Yuanmou 105.5 km
Si-čchang 105.9 km
Jiangcheng 109.8 km
Bounneua 113.1 km
Luxi 113.7 km
Oudomxay province 116.9 km
Zhanyi 126.3 km
Sa Pa 127.0 km
Chuxiong 137.1 km
Čao-tchung 138.3 km
Lào Cai 141.7 km
Mengla 143.6 km
SƠn La 146.6 km
Luang Namtha 159.8 km
Xam Neua 174.9 km
Weining 185.0 km
Viengsay 191.0 km
Simao 199.1 km
Jinghong 224.1 km
I-pin 239.8 km
Guangnan 257.9 km
Lijiang 261.3 km
Huay Xai 271.4 km
Xingren 273.2 km
Lin-cchang 282.0 km
Ta-li 287.8 km
Pi-ťie 289.3 km
Lancang 315.4 km
Naxi 319.0 km
Hà Đông district 346.6 km
Bắc Kạn 347.4 km
Letiště Nội Bài 349.9 km
Thái Nguyên 350.1 km
Kengtung 354.0 km
Napo 356.9 km
Gengma 373.1 km
Cao Bằng 391.7 km
Nam Định 391.9 km
Pao-šan 393.9 km
Paj-se 428.6 km
Kuej-jang 439.2 km
Deqen 439.6 km
Phu Lien 442.1 km
Longzhou 448.0 km
Luodian 448.7 km
Lạng SƠn 451.7 km
Tcheng-čchung 475.4 km

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