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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 - Żyrardów Odległość
Port lotniczy Warszawa-Modlin 53.4 km
Warszawa - Okęcie 62.8 km
Sulejów 94.1 km
Płock 95.4 km
Radom Port lotniczy 111.2 km
Mława 111.6 km
Łódź 117.8 km
Kielce 130.7 km
Kozienice 135.2 km
Ostrołęka 168.2 km
Olsztyn 180.8 km
Częstochowa 195.2 km
Koło 196.3 km
Sandomierz 200.3 km
Siedlce 205.3 km
Kraków Port lotniczy -Balice 215.3 km
Tarnów 218.0 km
Wieluń 223.1 km
Mikołajki 223.5 km
Toruń 230.3 km
Lotnisko Lublin-Radawiec 235.7 km
Kętrzyn 236.4 km
Katowice - Pyrzowice 243.5 km
Elbląg 248.3 km
Nowy Sącz 252.6 km
Kalisz 261.1 km
Port lotniczy Lublin 268.7 km
Port lotniczy Rzeszów-Jasionka 270.7 km
Kaliningrad 280.2 km
Bielsko-Biała 282.2 km
Krosno 285.7 km
Lesek 290.6 km
Zakopane 290.7 km
Żuławki 292.2 km
Bydgoszcz 295.5 km
Kasprowy Wierch 296.5 km
Łomnica 296.6 km
Szczyrbskie Jezioro 306.9 km
Opole 310.0 km
Poprad 310.2 km
Švábovce 313.3 km
Racibórz 323.0 km
Tisinec 323.3 km
Hel 323.3 km
Białystok 325.4 km
Preszów 328.1 km
Port Lotniczy Gdańsk im. Lecha Wałęsy 328.1 km
Chopok 331.7 km
Telgárt 333.4 km
Zamość 339.8 km
Łysa Góra 340.4 km
Lesko 342.2 km
Kojsovska Hola 344.3 km
Przemyśl 349.1 km
Włodawa 350.5 km
Zilina Hricov 355.6 km
Ostrawa 355.7 km
Żylina Port lotniczy 355.9 km
Suwałki 356.0 km
Terespol 356.2 km
Koszyce 361.4 km
Szyłokarczma 363.6 km
Brześć 363.7 km
Kamenica nad Cirochou 366.4 km
Chojnice 366.6 km
Jósvafő 370.4 km
Milhostov 379.2 km
Sliač 381.4 km
Kłajpeda 391.9 km
Łuczeniec Port lotniczy 393.6 km
Lębork 397.4 km
Prievidza 398.0 km
Cervena 398.4 km
Port lotniczy Poznań-Ławica 399.1 km
Żar nad Hronem 401.6 km
Port lotniczy Wrocław-Strachowice 405.1 km
Użhorod 408.3 km
Miszkolc 412.0 km
Mariampol 416.2 km
Połąga 416.4 km
Šerák 416.5 km
Szécsény 421.8 km
Ławkowo 423.0 km
Záhony 424.2 km
Piła 424.3 km
Holešov 427.1 km
Łeba 429.9 km
Leszno 432.8 km
Grodno 435.5 km
Petrobaltic Beta 439.3 km
Dudince 440.6 km
Mochovce 450.4 km
Włodzimierz 451.4 km
Szczecinek 452.0 km
Lwów 454.9 km
Prościejów 455.5 km
Kłodzko 455.5 km
Port lotniczy Kunovice 458.1 km
Telsze 458.6 km
Luká 460.0 km