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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.


Najbliższa stacja pogodowa - Siemianowice Śląskie Odległość
Katowice - Pyrzowice 6.6 km
Bielsko-Biała 49.2 km
Częstochowa 58.7 km
Racibórz 90.1 km
Kraków Port lotniczy -Balice 93.2 km
Łysa Góra 96.1 km
Wieluń 110.3 km
Ostrawa 114.4 km
Zilina Hricov 116.3 km
Żylina Port lotniczy 116.6 km
Opole 119.2 km
Lesek 122.5 km
Zakopane 149.2 km
Sulejów 150.3 km
Chopok 151.3 km
Kasprowy Wierch 155.4 km
Łódź 160.0 km
Prievidza 163.7 km
Cervena 168.1 km
Sliač 171.1 km
Szczyrbskie Jezioro 171.9 km
Łomnica 177.1 km
Żar nad Hronem 177.9 km
Holešov 187.0 km
Kalisz 188.8 km
Poprad 189.0 km
Švábovce 196.8 km
Kielce 199.6 km
Telgárt 199.8 km
Nowy Sącz 201.4 km
Koło 206.8 km
Šerák 208.9 km
Port lotniczy Kunovice 216.0 km
Pieszczany 216.2 km
Mochovce 217.4 km
Łuczeniec Port lotniczy 219.1 km
Dudince 221.5 km
Prościejów 223.1 km
Tarnów 224.1 km
Nitra Port lotniczy 230.9 km
Szécsény 233.6 km
Luká 235.1 km
Jaslovské Bohunice 238.7 km
Port lotniczy Wrocław-Strachowice 249.7 km
Jósvafő 254.3 km
Płock 257.2 km
Kłodzko 264.0 km
Hurbanovo 267.8 km
Tát 268.6 km
Kojsovska Hola 271.4 km
Radom Port lotniczy 274.6 km
Kékes 276.9 km
Port lotniczy Brno-Tuřany 280.4 km
Uście nad Orlicą 285.5 km
Tata 285.8 km
Malacky Port lotniczy 286.9 km
Preszów 290.0 km
Eger 292.9 km
Maly Javornik 295.3 km
Bratysława 295.3 km
Polom 296.4 km
Toruń 296.7 km
Warszawa - Okęcie 297.1 km
Port lotniczy Warszawa-Modlin 297.8 km
Port lotniczy Budapeszt im. Ferenca Liszta 298.9 km
Miszkolc 299.0 km
Koszyce 299.6 km
Bratislava-Koliba 304.3 km
Győr 305.8 km
Sandomierz 307.6 km
Poysdorf 311.2 km
Krosno 313.9 km
Zwerndorf-Marchegg 314.8 km
Mosonmagyaróvár 315.8 km
Kozienice 316.3 km
Tisinec 316.4 km
Leszno 319.3 km
Mistelbach 319.5 km
Bydgoszcz 321.5 km
Legnica 325.3 km
Agárd 327.5 km
Port lotniczy Poznań-Ławica 329.0 km
Poroszló 329.9 km
Svratouch 333.1 km
Mława 333.7 km
Náměšť nad Oslavou 339.8 km
Dukovany 340.6 km
Andau 341.8 km
Port lotniczy Rzeszów-Jasionka 341.8 km
Leiser Berge 342.5 km
Groß-Enzersdorf 347.5 km
Milhostov 348.7 km
Port lotniczy Wiedeń-Schwechat 352.6 km
Kuchařovice 354.5 km
Donaustadt - Wiedeń 355.1 km
Szolnok 358.4 km
Szentkirályszabadja 361.4 km
Jelenia Góra 361.9 km
Kecskemét 362.0 km
Wiedeń / Hohe Warte 362.4 km