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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.


Stations météo à proximité - Piaseczno Distance
Varsovie - Okecie 12.7 km
Mazovie Varsovie-Modlin (Aéroport) 50.8 km
Radom Aéroport 72.6 km
Kozienice 79.1 km
Ostrołęka 124.4 km
Mława 131.1 km
Kielce 132.6 km
Siedlce 140.7 km
Sulejów 145.8 km
Płock 151.6 km
Sandomierz 161.1 km
Lotnisko Lublin-Radawiec 177.4 km
Łódź 181.4 km
Olsztyn 190.2 km
Mikołajki 191.1 km
Lublin (Aéroport) 208.4 km
Tarnów 209.9 km
Kętrzyn 213.3 km
Rzeszów (Aéroport) 233.3 km
Cracovie Aéroport -Balice 245.0 km
Częstochowa 248.7 km
Nowy Sącz 254.4 km
Krosno 259.1 km
Koło 260.9 km
Białystok 264.4 km
Elbląg 281.4 km
Kaliningrad 282.0 km
Zamość 282.4 km
Wieluń 284.6 km
Włodawa 286.7 km
Toruń 288.7 km
Katowice-Pyrzowice 289.9 km
Terespol 291.3 km
Brest 298.8 km
Tisinec 302.6 km
Przemyśl 304.4 km
Suwałki 305.6 km
Lesko 306.6 km
Lomnický štít 309.5 km
Zakopane 309.8 km
Kasprowy Wierch 314.8 km
Prešov 315.5 km
Liesek 316.1 km
Poprad 321.8 km
Štrbské Pleso 322.3 km
Švábovce 323.3 km
Bielsko-Biała 324.0 km
Kalisz 325.9 km
Żuławki 331.6 km
Kojsovska Hola 339.5 km
Kamenica nad Cirochou 341.1 km
Telgárt 345.6 km
Šilutė 346.3 km
Košice 352.2 km
Bydgoszcz 355.7 km
Chopok 356.1 km
Milhostov 360.1 km
Hel 361.6 km
Marijampolė 365.8 km
Opole 369.0 km
Aéroport Lech Wałęsa de Gdańsk 372.8 km
Jósvafő 374.9 km
Hrodna 375.1 km
Racibórz 375.7 km
Oujhorod 380.6 km
Klaipėda 382.8 km
Lysá hora 386.3 km
Volodymyr 389.8 km
Laukuva 393.8 km
Zilina Hricov 396.7 km
Žilina Aéroport 397.1 km
Záhony 399.5 km
Lviv 400.7 km
Ostrava 405.8 km
Palanga 407.0 km
Sliač 410.8 km
Lučenec Aéroport 412.0 km
Miskolc 412.6 km
Raseiniai 418.8 km
Chojnice 423.8 km
Kaunas 429.5 km
Telšiai 431.1 km
Žiar nad Hronom 434.6 km
Prievidza 435.4 km
Szécsény 442.7 km
Lębork 446.5 km
Cervena 452.8 km
Kaunas (Aéroport) 455.7 km
Liepāja 460.7 km
Wrocław-Nicolas-Copernic (Aéroport) 468.7 km
Mažeikiai 468.8 km
Dudince 470.7 km
Šerák 475.4 km
Petrobaltic Beta 477.3 km
Šiauliai Aéroport 477.5 km
Šiauliai 477.8 km
Holešov 478.0 km
Łeba 478.9 km
Mochovce 486.1 km
Ivano-Frankivsk 493.4 km