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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 - Vievis Distance
Vilnius Airport 34.3 km
Ukmergė 50.7 km
Kaunas Airport 83.9 km
Lida 103.8 km
Kaunas 110.1 km
Panevėžys 110.6 km
Utena 114.4 km
Biržai 145.0 km
Grodno 145.8 km
Švenčionys 155.4 km
Marijampolė 164.8 km
Łyntupy 168.3 km
Bauska 181.3 km
Dūkštas 183.2 km
Skrīveri 192.4 km
Šiauliai Airport 195.4 km
Raseiniai 198.1 km
Šiauliai 204.0 km
Baranavichy 211.8 km
Zīlāni 214.8 km
Suwałki 217.6 km
Jelgava 228.1 km
Daugavpils 236.2 km
Riga Airport 238.7 km
Białystok 249.9 km
Dobele 251.5 km
Skulte 260.4 km
Madona 261.8 km
Priekuļi 263.5 km
Zosēni 267.3 km
Brest 297.1 km
Sharkawshchyna 299.9 km
Laukuva 300.4 km
Pinsk 303.1 km
Terespol 304.9 km
Telšiai 311.2 km
Ainaži 317.8 km
Gulbene 317.8 km
Rūjiena 320.5 km
Mažeikiai 322.0 km
Mērsrags 322.7 km
Saldus 323.6 km
Minsk National Airport 324.4 km
Rēzekne 325.0 km
Dokshytsy 327.9 km
Valga 332.1 km
Kihnu 349.3 km
Slutsk 350.1 km
Ruhnu 352.3 km
Stende 352.6 km
Włodawa 356.5 km
Alūksne 363.5 km
Verkhnyadzvinsk 364.2 km
Pärnu Airport 371.6 km
Viljandi 372.9 km
Mikołajki 373.7 km
Šilutė 379.9 km
Siedlce 384.2 km
Kętrzyn 390.7 km
Marjina Horka 391.3 km
Kolka 391.6 km
Võru 393.9 km
Ostrołęka 400.7 km
Volodymyr 402.1 km
Sarny 402.7 km
Barysaw 412.8 km
Virtsu 412.8 km
Tartu 413.5 km
Türi 413.6 km
Zhytkavichy 424.2 km
Kuusiku 424.6 km
Lublin Airport 428.8 km
Klaipėda 429.0 km
Palanga 431.6 km
Lyepyel 432.4 km
Jõgeva 435.4 km
Kuressaare Airport 436.6 km
Nigula 438.8 km
Sõrve peninsula 444.5 km
Polotsk 445.2 km
Rivne 445.2 km
Ventspils Intl. Airport 450.5 km
Zamość 450.9 km
Lotnisko Lublin-Radawiec 451.5 km
Ventspils 453.5 km
Liepāja 458.2 km
Pāvilosta 458.6 km
Mustvee 474.3 km
Byerazino 474.7 km
Kaliningrad 475.0 km
Opochka 475.4 km
Kärdla Airport 483.6 km
Kozienice 489.3 km
Vilsandi 498.3 km
Pskov 498.9 km
Olsztyn 500.5 km
Warsaw - Okecie 504.7 km
Puskinskie Gory 506.5 km
Warsaw Modlin Airport 515.4 km
Gdov 519.0 km