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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.


Estações Meteorológicas Próximas - Virolahti Distância
Virolahti 1.2 km
Kotka Haapasaari 58.5 km
Lappeenranta 74.8 km
Rankki 79.3 km
Lappeenranta 80.4 km
Utti 90.0 km
Anjala 97.0 km
Joutseno 112.2 km
Viburgo 120.4 km
Jõhvi 121.0 km
Narva 123.7 km
Mikkeli 126.5 km
Juva 137.6 km
Pernaja Orrengrund 137.7 km
Kingisepp 153.4 km
Kunda (Port) 159.0 km
Gdov 176.7 km
Mustvee 181.7 km
Rantasalmi Rukkasluoto 181.8 km
Heinola 192.4 km
Savonlinna 199.5 km
Väike-Maarja 210.5 km
Parikkala Koitsanlahti 219.3 km
Leivonmäki 221.1 km
Punkaharju Airport 222.4 km
Jõgeva 226.2 km
Kuopio Ritoniemi 226.3 km
Porvoo Emasalo 228.5 km
Porvoo 229.5 km
Lahti 230.7 km
Kuopio 234.3 km
Kallbadagrund 236.1 km
Porvoo Kilpilahti 236.7 km
Tartu 242.8 km
Kuopio 246.8 km
Pulkkilanharju Lighthouse 250.3 km
Maaninka 262.4 km
Luhanka Judinsalo 268.1 km
Võru 273.7 km
Mantsala Hirvihaara 275.6 km
Vesanto 279.5 km
Vaasa Klemettila 279.8 km
Pskov 280.5 km
Jyväskylä 289.5 km
Siversky 297.2 km
Lammi 297.4 km
Aeroporto de Pulkovo 298.0 km
Liperi Tuiskavanluoto 298.2 km
Joensuu 301.1 km
Aeroporto de Helsínquia-Vantaa 301.2 km
Rautavaara Yla-luosta 301.8 km
Türi 302.3 km
Töölö 302.4 km
Nikolaevskoe 304.3 km
Vanhakaupunki 304.9 km
Alūksne 312.9 km
Viljandi 314.1 km
Juuka 317.9 km
Rajamäki 318.9 km
Viitasaari 324.4 km
Valga 326.7 km
Vierema Kaarakkala 332.1 km
Valtimo 334.9 km
Nurmijärvi 335.4 km
Tohmajärvi 342.0 km
Halli Airport 344.6 km
Halli 345.8 km
Gulbene 351.3 km
Hämeenlinna 356.7 km
Sortavala 359.0 km
Sotkamo 361.1 km
Kuusiku 361.4 km
Tallinn 361.4 km
Vihti 364.0 km
Rūjiena 365.9 km
Dno 366.0 km
Valaam 367.5 km
Puskinskie Gory 369.5 km
Kajaani 371.3 km
Kirkkonummi Makiluoto 374.1 km
Shlisselburg 375.4 km
Hattula 376.6 km
Lieksa 380.6 km
Pyhajarvi Ol Ojakyla 387.5 km
Zosēni 389.0 km
Zosēni 389.0 km
Opochka 390.7 km
Rēzekne 395.9 km
Madona 397.1 km
Juupajoki 399.0 km
Lohja 403.6 km
Bagaskar 410.5 km
Priekuļi 410.9 km
Lyuban 412.8 km
Pärnu Aeroporto 413.0 km
Vaala Pelso 416.8 km
Pakri 419.2 km
Ilomantsi Mekrijarvi 427.3 km
Ähtäri 433.9 km
Haapavesi 438.8 km

estado atual do tempo