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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.


Stations météo à proximité - Grajewo Distance
Suwałki 74.6 km
Mikołajki 97.5 km
Białystok 97.7 km
Ostrołęka 114.4 km
Kętrzyn 128.0 km
Marijampolė 134.9 km
Siedlce 145.8 km
Hrodna 178.2 km
Raseiniai 194.5 km
Kaunas 199.1 km
Laukuva 203.9 km
Terespol 207.8 km
Šilutė 208.2 km
Brest 208.6 km
Varsovie - Okecie 225.4 km
Kaunas (Aéroport) 226.2 km
Olsztyn 226.7 km
Mazovie Varsovie-Modlin (Aéroport) 230.4 km
Kozienice 237.2 km
Kaliningrad 238.6 km
Mława 240.6 km
Telšiai 242.0 km
Włodawa 246.7 km
Lublin (Aéroport) 249.5 km
Lotnisko Lublin-Radawiec 250.5 km
Šiauliai Aéroport 253.0 km
Šiauliai 254.7 km
Klaipėda 264.8 km
Radom Aéroport 271.2 km
Mažeikiai 278.7 km
Palanga 282.7 km
Panevėžys 303.9 km
Ukmergė 305.4 km
Vilnius Aéroport 311.5 km
Saldus 312.1 km
Zamość 314.4 km
Sandomierz 315.1 km
Dobele 319.6 km
Lida 320.9 km
Płock 322.1 km
Liepāja 333.6 km
Elbląg 340.2 km
Jelgava 341.5 km
Bauska 342.3 km
Kielce 352.1 km
Volodymyr 355.0 km
Pāvilosta 362.9 km
Stende 363.6 km
Biržai 366.3 km
Rzeszów (Aéroport) 368.5 km
Sulejów 373.8 km
Riga Aéroport 383.1 km
Mērsrags 385.2 km
Łódź 394.3 km
Ventspils (Aéroport) 395.7 km
Przemyśl 397.2 km
Utena 397.6 km
Żuławki 397.8 km
Baranavitchy 398.9 km
Ventspils 399.7 km
Tarnów 408.4 km
Krosno 416.5 km
Hel 417.0 km
Kolka 421.9 km
Lviv 426.3 km
Skrīveri 426.4 km
Lesko 430.7 km
Skulte 432.1 km
Ruhnu 433.4 km
Toruń 435.0 km
Pinsk 436.8 km
Švenčionys 440.9 km
Péninsule de Sõrve 441.4 km
Koło 448.1 km
Aéroport Lech Wałęsa de Gdańsk 449.6 km
Łyntupy 452.2 km
Nowy Sącz 460.2 km
Tisinec 466.0 km
Dūkštas 470.2 km
Cracovie Aéroport -Balice 473.6 km
Częstochowa 476.3 km
Ainaži 480.7 km
Zīlāni 483.7 km
Priekuļi 492.5 km
Prešov 493.7 km
Wieluń 501.2 km
Bydgoszcz 502.1 km
Petrobaltic Beta 512.0 km
Rivne 514.7 km
Katowice-Pyrzowice 520.7 km
Sarny 522.1 km
Daugavpils 522.5 km
Zosēni 522.6 km
Kalisz 523.7 km
Lomnický štít 524.1 km
Zakopane 530.2 km
Madona 530.9 km
Švábovce 534.2 km
Kasprowy Wierch 534.2 km
Poprad 534.5 km