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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.


Nearby Weather Stations - Bieruń Distance
Katowice-Pyrzowice 17.4 km
Bielsko-Biała 31.8 km
Częstochowa 76.7 km
Kraków Airport -Balice 78.1 km
Lysá hora 91.6 km
Liesek 99.4 km
Racibórz 100.2 km
Zilina Hricov 104.5 km
Žilina Airport 104.8 km
Ostrava 117.3 km
Zakopane 126.6 km
Chopok 128.2 km
Kasprowy Wierch 132.7 km
Wieluń 133.4 km
Opole 138.4 km
Štrbské Pleso 149.2 km
Prievidza 149.5 km
Sliač 150.9 km
Lomnický štít 155.0 km
Sulejów 158.0 km
Žiar nad Hronom 160.3 km
Poprad 166.6 km
Švábovce 174.5 km
Łódź 175.6 km
Cervena 175.8 km
Telgárt 176.8 km
Nowy Sącz 183.2 km
Holešov 188.9 km
Kielce 193.9 km
Lučenec Airport 196.3 km
Mochovce 203.0 km
Dudince 203.4 km
Piešťany 209.4 km
Tarnów 209.8 km
Szécsény 211.8 km
Kalisz 212.1 km
Kunovice Airport 215.8 km
Nitra Airport 219.5 km
Šerák 222.0 km
Koło 228.2 km
Prostějov 228.7 km
Jósvafő 231.4 km
Jaslovské Bohunice 232.4 km
Luká 243.2 km
Kojsovska Hola 249.9 km
Tát 252.0 km
Kékes 253.9 km
Hurbanovo 254.4 km
Copernicus Airport Wrocław 269.1 km
Eger 269.7 km
Prešov 270.1 km
Tata 271.0 km
Płock 271.8 km
Radom Airport 272.0 km
Miskolc 275.9 km
Košice 278.3 km
Budapest Ferenc Liszt Intl. Airport 278.8 km
Kłodzko 278.9 km
Malacky Airport 283.8 km
Brno 284.9 km
Bratislava 290.5 km
Maly Javornik 291.1 km
Győr 295.6 km
Ústí nad Orlicí 297.0 km
Tisinec 297.9 km
Krosno 297.9 km
Sandomierz 298.3 km
Bratislava-Koliba 299.8 km
Warsaw - Okecie 301.1 km
Warsaw Modlin Airport 304.8 km
Poroszló 306.6 km
Mosonmagyaróvár 309.0 km
Agárd 310.2 km
Polom 310.5 km
Poysdorf 312.4 km
Zwerndorf-Marchegg 312.9 km
Kozienice 313.6 km
Toruń 317.8 km
Mistelbach 320.2 km
Milhostov 328.3 km
Rzeszów 328.4 km
Szolnok 335.6 km
Andau 335.7 km
Kecskemét 340.2 km
Leszno 340.6 km
Svratouch 343.3 km
Kamenica nad Cirochou 343.7 km
Legnica 343.9 km
Leiser Berge 344.0 km
Bydgoszcz 344.1 km
Mława 345.4 km
Náměšť nad Oslavou 346.0 km
Groß-Enzersdorf 346.1 km
Dukovany 346.3 km
Szentkirályszabadja 348.3 km
Vienna Intl. Airport 350.6 km
Poznań 351.8 km
Siófok - Lake Balaton 354.0 km
Donaustadt - Vienna 354.6 km
Kuchařovice 359.0 km