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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 - Tchien-ťin Vzdálenost
Letiště Tchien-ťin Pin-chaj 20.8 km
Letiště Peking 81.1 km
Botou 85.6 km
Huimin 91.4 km
Peking 106.8 km
Ling Xian/SHD 111.2 km
Tchang-šan 113.3 km
Fengning 122.0 km
Ťi-nan 127.5 km
Čcheng-te 130.4 km
Tchaj-an 144.9 km
Weichang 159.3 km
Dolón núr 173.3 km
Pao-ting 178.5 km
Yanzhou 182.0 km
Yiyuan 186.2 km
Laoting 193.7 km
Huailai 196.3 km
Qinglong 209.9 km
Fei Xian 216.6 km
Chaocheng 232.5 km
Linxi 252.8 km
Wej-fang 255.8 km
Čch'-feng 260.1 km
Čang-ťia-kchou 267.1 km
Dingtao 267.3 km
Xilinhot 271.0 km
Wei Xian 291.6 km
Š'-ťia-čuang 310.4 km
Sing-tchaj 312.8 km
Ž'-čao 327.0 km
An-jang 343.4 km
Lindong 357.8 km
Longkou 359.5 km
Huade 377.2 km
Čching-tao 388.0 km
Čchao-jang 388.3 km
Čching-tao Letiště 388.8 km
Changdao 400.1 km
Wu-tchaj-šan 406.4 km
Ta-tchung 429.3 km
Baoguotu 430.0 km
Ťin-čou 447.6 km
Chaj-jang 462.8 km
Jining 465.4 km
Ta-lien Letiště 486.1 km
Ta-lien 497.3 km

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