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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 - Zgierz Vzdálenost
Lodž 13.3 km
Sulejów 73.8 km
Płock 85.4 km
Koło 90.2 km
Wieluń 114.2 km
Čenstochová 114.3 km
Kališ 146.7 km
Toruň 155.6 km
Letiště Varšava-Modlin 158.8 km
Mława 168.2 km
Katowice-Pyrzowice 174.8 km
Varšava - Okecie 177.5 km
Kielce 180.6 km
Krakov Letiště -Balice 190.9 km
Opolí 205.0 km
Radom Letiště 207.5 km
Bydhošť 208.1 km
Bílsko-Bělá 220.1 km
Olštýn 230.3 km
Ratiboř 232.0 km
Kozienice 241.2 km
Elbląg 242.8 km
Tarnów 259.4 km
Liesek 262.4 km
Lysá hora 264.3 km
Żuławki 266.2 km
Ostrava 269.4 km
Nowy Sącz 273.2 km
Ostrolenka 273.3 km
Zakopané 275.1 km
Kasprov vrch 281.8 km
Sandoměř 284.4 km
Letiště Lecha Wałęsy Gdaňsk 285.9 km
Chojnice 286.4 km
Zilina Hricov 288.9 km
Žilina Letiště 289.1 km
Poznań 290.1 km
Letiště Vratislav 290.8 km
Lomnický štít 292.0 km
Štrbské Pleso 296.3 km
Hel 296.9 km
Cervena 301.3 km
Chopok 301.6 km
Poprad 306.4 km
Šerák 309.8 km
Švábovce 312.1 km
Mikołajki 315.8 km
Kętrzyn 318.5 km
Lešno 319.1 km
Siedlce 320.0 km
Piła 324.8 km
Kaliningrad 326.1 km
Telgárt 326.1 km
Holešov 336.4 km
Prievidza 336.5 km
Sliač 337.4 km
Lębork 338.8 km
Lotnisko Lublin-Radawiec 339.6 km
Kladsko 344.2 km
Krosno 345.6 km
Letiště Řešov-Jasionka 346.7 km
Žiar nad Hronom 349.0 km
Prostějov 357.5 km
Luká 358.0 km
Szczecinek 361.2 km
Lehnice 362.8 km
Prešov 363.4 km
Kojsovska Hola 365.7 km
Letiště Kunovice 369.3 km
Łeba 370.0 km
Lučenec Letiště 370.1 km
Tisinec 371.6 km
Jósvafő 374.1 km
Lublin (Letiště) 374.4 km
Polom 377.7 km
Piešťany 383.1 km
Ústí nad Orlicí 384.9 km
Košice 389.0 km
Mochovce 390.2 km
Dudince 391.9 km
Szécsény 392.1 km
Zelená Hora 402.3 km
Nitra Letiště 402.6 km
Ustka 403.9 km
Jaslovské Bohunice 404.3 km
Petrobaltic Beta 405.9 km
Lesko 411.4 km
Jelení Hora 414.4 km
Letiště Brno-Tuřany 414.7 km
Kamenica nad Cirochou 419.0 km
Miskolc 419.5 km
Milhostov 421.3 km
Kékes 423.0 km
Sněžka 424.2 km
Sněžka 426.7 km
Eger 427.7 km
Šilutė 430.6 km
Přemyšl 431.0 km
Svratouch 436.6 km
Bělostok 438.9 km