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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 - Tarnów Distance
Tarnów 0.4 km
Nowy Sącz 53.5 km
Kielce 87.4 km
Krosno 92.7 km
Sandomierz 107.0 km
Prešov 110.6 km
Tisinec 112.6 km
Rzeszów 118.9 km
Lomnický štít 121.8 km
Švábovce 127.9 km
Poprad 129.6 km
Kojsovska Hola 129.9 km
Kraków Airport -Balice 131.6 km
Zakopane 137.5 km
Štrbské Pleso 138.5 km
Kasprowy Wierch 139.1 km
Radom Airport 143.1 km
Košice 144.3 km
Telgárt 152.1 km
Kamenica nad Cirochou 160.0 km
Liesek 160.6 km
Lesko 163.0 km
Milhostov 164.5 km
Jósvafő 168.9 km
Kozienice 171.1 km
Sulejów 185.2 km
Chopok 189.0 km
Lotnisko Lublin-Radawiec 199.0 km
Przemyśl 200.0 km
Uzhhorod 203.5 km
Miskolc 203.7 km
Záhony 214.3 km
Katowice-Pyrzowice 218.1 km
Warsaw - Okecie 221.8 km
Bielsko-Biała 222.1 km
Lučenec Airport 224.8 km
Częstochowa 225.7 km
Lublin Airport 229.5 km
Eger 232.0 km
Nyiregyhaza/Napkor 236.4 km
Łódź 249.5 km
Sliač 250.1 km
Kékes 250.2 km
Poroszló 251.0 km
Warsaw Modlin Airport 251.4 km
Zamość 256.8 km
Szécsény 258.3 km
Siedlce 269.3 km
Debrecen 273.2 km
Zilina Hricov 276.5 km
Žilina Airport 276.8 km
Žiar nad Hronom 281.8 km
Lysá hora 286.5 km
Wieluń 296.2 km
Prievidza 296.6 km
Płock 300.3 km
Săcueni 304.7 km
Dudince 306.1 km
Racibórz 309.8 km
Szolnok 315.2 km
Satu Mare 319.3 km
Ostrava 321.2 km
Ostrołęka 323.0 km
Włodawa 324.0 km
Mława 327.1 km
Oradea 327.2 km
Lviv 331.0 km
Supur 333.3 km
Mochovce 336.4 km
Budapest Ferenc Liszt Intl. Airport 337.7 km
Opole 341.3 km
Koło 344.0 km
Békéscsaba 348.6 km
Kecskemét 353.0 km
Tát 357.2 km
Holod 358.7 km
Terespol 360.2 km
Borod 361.5 km
Nitra Airport 367.7 km
Brest 369.2 km
Chişineu-Criş 369.9 km
Kalisz 371.4 km
Baia Mare 371.4 km
Zalău 372.2 km
Șoimi 374.9 km
Volodymyr 380.1 km
Piešťany 380.9 km
Cervena 383.2 km
Hurbanovo 384.2 km
Holešov 387.7 km
Tata 388.0 km
Stana De Vale 390.8 km
Sighetu Marmației 391.5 km
Vladeasa Mountain 393.7 km
Olsztyn 393.8 km
Mikołajki 394.7 km
Ivano-Frankivsk 395.8 km
Șiria 398.0 km
Agárd 398.1 km
Ștei 398.3 km