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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 - Sompolno Distance
Koło 27.7 km
Toruń 69.2 km
Kalisz 80.0 km
Bydgoszcz 96.3 km
Łódź 122.9 km
Wieluń 125.1 km
Płock 138.6 km
Chojnice 176.0 km
Częstochowa 179.8 km
Poznań 183.7 km
Sulejów 188.0 km
Opole 196.6 km
Gdańsk Lech Wałęsa Airport 209.2 km
Żuławki 209.5 km
Piła 209.8 km
Elbląg 212.5 km
Mława 218.7 km
Copernicus Airport Wrocław 226.3 km
Leszno 227.0 km
Hel 235.0 km
Katowice-Pyrzowice 236.0 km
Lębork 242.3 km
Szczecinek 245.8 km
Warsaw Modlin Airport 246.8 km
Racibórz 250.5 km
Olsztyn 257.1 km
Łeba 271.0 km
Warsaw - Okecie 275.7 km
Bielsko-Biała 279.7 km
Šerák 281.0 km
Kraków Airport -Balice 283.7 km
Legnica 286.0 km
Ostrava 290.3 km
Ustka 294.4 km
Kłodzko 295.8 km
Kielce 295.9 km
Cervena 298.1 km
Lysá hora 301.0 km
Zielona Góra 302.2 km
Radom Airport 320.0 km
Koszalin 324.0 km
Polom 325.8 km
Petrobaltic Beta 327.4 km
Kaliningrad 333.4 km
Zilina Hricov 334.4 km
Žilina Airport 334.6 km
Luká 338.4 km
Jelenia Góra 341.4 km
Holešov 342.5 km
Ústí nad Orlicí 344.6 km
Liesek 345.2 km
Prostějov 347.4 km
Ostrołęka 348.8 km
Kozienice 350.5 km
Sněžka 354.6 km
Sněžka 358.0 km
Gorzów Wielkopolski 360.0 km
Kętrzyn 363.7 km
Zakopane 364.7 km
Kasprowy Wierch 371.5 km
Tarnów 371.7 km
Mikołajki 372.5 km
Resko 373.2 km
Kunovice Airport 375.9 km
Kołobrzeg 376.3 km
Nowy Sącz 379.4 km
Chopok 379.8 km
Prievidza 383.6 km
Lomnický štít 386.6 km
Štrbské Pleso 387.4 km
Svratouch 394.4 km
Brno 398.8 km
Pardubice 398.9 km
Sandomierz 399.7 km
Poprad 400.6 km
Sliač 401.7 km
Žiar nad Hronom 404.4 km
Piešťany 407.0 km
Švábovce 407.2 km
Görlitz 416.6 km
Telgárt 417.3 km
Siedlce 417.7 km
Szczecin-Dąbie Airstrip Airport 419.9 km
Coschen 421.6 km
Jaslovské Bohunice 424.7 km
Liberec 425.0 km
Přibyslav 427.0 km
Bad Muskau 432.2 km
Náměšť nad Oslavou 434.1 km
Słubice 434.2 km
Mochovce 434.7 km
Čáslav 435.1 km
Nitra Airport 438.0 km
Dukovany 438.9 km
Manschnow 440.5 km
Poysdorf 446.9 km
Bertsdorf-Hörnitz 447.0 km
Dudince 448.3 km
Lučenec Airport 448.7 km
Šilutė 450.5 km