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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.


Poblíž povětrnostní stanice - Bytom Vzdálenost
Katowice-Pyrzowice 21.7 km
Čenstochová 50.0 km
Bílsko-Bělá 62.4 km
Ratiboř 85.5 km
Wieluń 95.4 km
Lysá hora 101.2 km
Krakov Letiště -Balice 105.3 km
Opolí 106.8 km
Ostrava 114.3 km
Zilina Hricov 125.3 km
Žilina Letiště 125.5 km
Liesek 137.9 km
Sulejów 147.9 km
Lodž 151.5 km
Cervena 163.8 km
Zakopané 164.4 km
Chopok 166.5 km
Kasprov vrch 170.6 km
Kališ 173.5 km
Prievidza 173.7 km
Sliač 184.5 km
Holešov 186.4 km
Štrbské Pleso 187.1 km
Žiar nad Hronom 189.7 km
Lomnický štít 192.1 km
Koło 193.3 km
Šerák 200.5 km
Poprad 204.1 km
Kielce 205.5 km
Švábovce 211.9 km
Nowy Sącz 214.3 km
Telgárt 215.1 km
Letiště Kunovice 216.6 km
Prostějov 219.8 km
Piešťany 221.2 km
Mochovce 227.1 km
Luká 230.1 km
Dudince 233.5 km
Lučenec Letiště 234.0 km
Tarnów 235.0 km
Letiště Vratislav 236.8 km
Nitra Letiště 238.7 km
Jaslovské Bohunice 243.3 km
Szécsény 248.0 km
Płock 249.0 km
Kladsko 254.2 km
Jósvafő 269.6 km
Hurbanovo 276.8 km
Letiště Brno-Tuřany 277.6 km
Ústí nad Orlicí 277.8 km
Radom Letiště 278.2 km
Tát 279.6 km
Toruň 283.3 km
Kojsovska Hola 286.0 km
Polom 287.0 km
Malacky Letiště 289.1 km
Kékes 291.9 km
Letiště Varšava-Modlin 294.9 km
Tata 295.6 km
Varšava - Okecie 296.2 km
Maly Javornik 298.2 km
Bratislava 298.7 km
Prešov 303.8 km
Lešno 305.0 km
Bydhošť 306.8 km
Bratislava-Koliba 307.4 km
Eger 308.3 km
Poysdorf 310.6 km
Letiště Ference Liszta Budapešť 312.0 km
Győr 312.7 km
Lehnice 312.8 km
Poznań 313.8 km
Košice 314.2 km
Miskolc 314.3 km
Sandoměř 315.3 km
Zwerndorf-Marchegg 316.2 km
Mistelbach an der Zaya 319.2 km
Kozienice 319.8 km
Mosonmagyaróvár 320.4 km
Krosno 325.6 km
Svratouch 326.4 km
Mława 327.4 km
Tisinec 329.5 km
Náměšť nad Oslavou 335.7 km
Dukovany 336.8 km
Agárd 338.8 km
Leiser Berge 341.6 km
Poroszló 345.3 km
Andau 345.8 km
Groß-Enzersdorf 348.5 km
Jelení Hora 350.7 km
Kuchařovice 351.5 km
Letiště Řešov-Jasionka 351.9 km
Sněžka 353.8 km
Letiště Vídeň 353.9 km
Sněžka 354.5 km
Pardubice 354.7 km
Donaustadt - Vídeň 355.5 km
Přibyslav 359.0 km
Vídeň / Hohe Warte 362.6 km