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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 - Garwolin Distance
Kozienice 35.3 km
Radom Airport 69.4 km
Warsaw - Okecie 77.5 km
Siedlce 79.2 km
Lotnisko Lublin-Radawiec 111.6 km
Warsaw Modlin Airport 114.5 km
Ostrołęka 122.6 km
Sandomierz 124.6 km
Lublin Airport 139.9 km
Kielce 151.9 km
Mława 188.2 km
Rzeszów 192.2 km
Mikołajki 195.0 km
Sulejów 203.0 km
Tarnów 206.3 km
Białystok 212.2 km
Zamość 215.9 km
Włodawa 216.4 km
Płock 221.4 km
Terespol 223.3 km
Kętrzyn 226.1 km
Krosno 229.8 km
Brest 231.1 km
Olsztyn 235.5 km
Łódź 247.5 km
Przemyśl 251.5 km
Nowy Sącz 257.6 km
Lesko 264.1 km
Suwałki 273.8 km
Kraków Airport -Balice 277.0 km
Tisinec 277.7 km
Prešov 299.2 km
Częstochowa 303.0 km
Kamenica nad Cirochou 309.3 km
Kaliningrad 315.7 km
Volodymyr-Volynskyi 319.8 km
Lomnický štít 321.1 km
Grodno 322.2 km
Zakopane 328.0 km
Koło 330.6 km
Kojsovska Hola 330.8 km
Švábovce 331.3 km
Poprad 331.5 km
Kasprowy Wierch 331.8 km
Marijampolė 332.3 km
Milhostov 334.7 km
Katowice-Pyrzowice 336.1 km
Štrbské Pleso 336.1 km
Lviv 336.4 km
Košice 338.0 km
Elbląg 338.8 km
Liesek 340.5 km
Uzhhorod 345.0 km
Wieluń 347.0 km
Telgárt 355.0 km
Šilutė 358.0 km
Toruń 358.4 km
Bielsko-Biała 364.6 km
Záhony 366.7 km
Jósvafő 374.8 km
Chopok 377.8 km
Laukuva 389.9 km
Żuławki 392.1 km
Kaunas 393.3 km
Kalisz 393.5 km
Raseiniai 397.3 km
Klaipėda 402.1 km
Miskolc 407.3 km
Nyiregyhaza/Napkor 407.8 km
Kaunas Airport 417.4 km
Hel 421.0 km
Palanga 425.5 km
Bydgoszcz 425.8 km
Lučenec Airport 425.8 km
Racibórz 426.8 km
Opole 427.4 km
Telšiai 428.4 km
Lysá hora 429.7 km
Ivano-Frankivsk 431.6 km
Zilina Hricov 435.0 km
Žilina Airport 435.3 km
Gdańsk Lech Wałęsa Airport 435.9 km
Sliač 436.3 km
Eger 437.8 km
Satu Mare 453.5 km
Ostrava 453.5 km
Poroszló 454.7 km
Kékes 455.9 km
Šiauliai Airport 455.9 km
Debrecen 457.1 km
Šiauliai 457.5 km
Szécsény 458.4 km
Ivano-Frankivsk Airport 460.4 km
Lida 460.5 km
Žiar nad Hronom 463.5 km
Prievidza 469.1 km
Săcueni 473.7 km
Supur 476.2 km
Vilnius Airport 477.9 km
Sighetu Marmației 480.9 km