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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 - Ostrów Mazowiecka Distance
Ostrołęka 47.3 km
Siedlce 68.8 km
Mikołajki 107.6 km
Warsaw - Okecie 122.9 km
Kozienice 133.4 km
Warsaw Modlin Airport 137.1 km
Kętrzyn 143.9 km
Białystok 144.3 km
Radom Airport 164.9 km
Lotnisko Lublin-Radawiec 172.2 km
Mława 175.3 km
Suwałki 180.2 km
Lublin Airport 184.5 km
Olsztyn 193.2 km
Terespol 205.4 km
Brest 210.5 km
Sandomierz 218.0 km
Włodawa 222.6 km
Marijampolė 240.2 km
Płock 242.2 km
Kielce 245.3 km
Kaliningrad 249.3 km
Grodno 253.0 km
Zamość 260.5 km
Šilutė 268.8 km
Sulejów 272.0 km
Rzeszów 279.2 km
Laukuva 292.9 km
Raseiniai 300.0 km
Łódź 300.1 km
Kaunas 303.3 km
Tarnów 304.6 km
Elbląg 309.3 km
Klaipėda 317.7 km
Krosno 322.5 km
Przemyśl 323.6 km
Kaunas Airport 329.1 km
Telšiai 331.6 km
Volodymyr 336.0 km
Palanga 339.9 km
Lesko 347.4 km
Nowy Sącz 355.6 km
Šiauliai Airport 358.8 km
Šiauliai 360.0 km
Koło 366.0 km
Żuławki 366.8 km
Kraków Airport -Balice 366.9 km
Mažeikiai 369.5 km
Toruń 370.1 km
Tisinec 371.5 km
Częstochowa 375.0 km
Lviv 381.6 km
Hel 391.9 km
Liepāja 394.1 km
Prešov 395.6 km
Lida 397.3 km
Kamenica nad Cirochou 399.2 km
Vilnius Airport 402.4 km
Saldus 405.8 km
Ukmergė 406.0 km
Wieluń 406.2 km
Panevėžys 409.4 km
Gdańsk Lech Wałęsa Airport 416.0 km
Katowice-Pyrzowice 416.5 km
Lomnický štít 418.3 km
Dobele 423.2 km
Zakopane 423.7 km
Milhostov 427.6 km
Kasprowy Wierch 427.8 km
Kojsovska Hola 428.5 km
Švábovce 429.0 km
Poprad 429.1 km
Pāvilosta 430.6 km
Uzhhorod 431.7 km
Štrbské Pleso 432.9 km
Liesek 434.2 km
Košice 434.6 km
Kalisz 438.0 km
Bydgoszcz 439.1 km
Jelgava 447.3 km
Bauska 449.2 km
Bielsko-Biała 449.6 km
Telgárt 452.7 km
Záhony 455.0 km
Biržai 471.8 km
Chopok 472.6 km
Jósvafő 473.1 km
Ivano-Frankivsk 481.0 km
Riga Airport 489.5 km
Opole 493.1 km
Utena 495.2 km
Chojnice 495.6 km
Lębork 496.4 km
Petrobaltic Beta 499.8 km
Racibórz 502.3 km
Miskolc 505.1 km
Ivano-Frankivsk Airport 506.4 km
Lysá hora 512.6 km
Zilina Hricov 521.8 km
Žilina Airport 522.2 km