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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 - Grodno Vzdálenost
Grodno 26.8 km
Bělostok 92.6 km
Marijampolė 102.0 km
Suwałki 107.6 km
Kaunas 123.9 km
Kaunas (Letiště) 135.3 km
Brest 158.6 km
Terespol 164.6 km
Lida 169.4 km
Vilnius Letiště 173.2 km
Raseiniai 192.2 km
Ukmergė 193.2 km
Włodawa 218.1 km
Panevėžys 220.9 km
Siedlce 226.9 km
Šiauliai Letiště 232.0 km
Šiauliai 238.4 km
Mikołajki 248.9 km
Baranavičy 249.3 km
Ostrolenka 257.5 km
Laukuva 266.4 km
Utena 271.8 km
Kętrzyn 275.8 km
Lublin (Letiště) 276.9 km
Biržai 277.9 km
Bauska 282.5 km
Volodymyr 293.3 km
Telšiai 294.7 km
Lotnisko Lublin-Radawiec 296.7 km
Pinsk 300.0 km
Švenčionys 301.1 km
Dobele 306.4 km
Jelgava 306.8 km
Łyntupy 310.3 km
Zamość 310.6 km
Šilutė 315.6 km
Mažeikiai 321.9 km
Kozienice 331.9 km
Skrīveri 335.0 km
Dūkštas 335.0 km
Riga Letiště 336.8 km
Saldus 341.8 km
Varšava - Okecie 352.8 km
Letiště Varšava-Modlin 367.7 km
Zīlāni 371.2 km
Radom Letiště 372.6 km
Klaipėda 372.7 km
Skulte 375.1 km
Olštýn 378.6 km
Kaliningrad 379.4 km
Mērsrags 382.5 km
Sandoměř 383.9 km
Palanga 384.0 km
Stende 386.4 km
Daugavpils 390.2 km
Mława 390.3 km
Lvov 392.1 km
Sarny 393.4 km
Rovno 404.1 km
Priekuļi 406.4 km
Přemyšl 412.3 km
Letiště Řešov-Jasionka 415.2 km
Madona 418.5 km
Sluck 420.4 km
Zosēni 420.4 km
Ruhnu 424.7 km
Liepāja 425.6 km
Letiště Minsk 425.7 km
Ainaži 431.2 km
Kolka 439.2 km
Sharkawshchyna 439.5 km
Pāvilosta 441.9 km
Kielce 454.5 km
Ventspils Intl. Airport 455.7 km
Dokšycy 455.7 km
Ventspils 459.4 km
Lesko 460.0 km
Rūjiena 460.9 km
Ternopil 465.8 km
Płock 468.1 km
Krosno 469.1 km
Žytkavičy 473.7 km
Gulbene 475.4 km
Sõrve peninsula 477.4 km
Rēzekne 480.0 km
Valga 483.3 km
Tarnów 489.3 km
Elbląg 490.8 km
Sulejów 500.6 km
Šepetivka 502.0 km
Verchňadzvinsk 508.0 km
Tisinec 516.6 km
Alūksne 521.1 km
Lodž 531.2 km
Nowy Sącz 542.5 km
Võru 551.0 km
Prešov 552.0 km
Chmelnyckyj 552.6 km
Krakov Letiště -Balice 580.5 km
Čenstochová 603.3 km

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