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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 - Ilomantsi Απόσταση
Ilomantsi Mekrijarvi 0.0 km
Ilomantsi Pötsönvaara 36.8 km
Tohmajärvi 85.8 km
Reboly 103.3 km
Σορταβάλα 104.1 km
Lieksa 115.5 km
Valaam 134.0 km
Liperi Tuiskavanluoto 146.1 km
Γιόενσου 151.2 km
Suoyarvi 169.9 km
Kuhmo Kalliojoki 171.6 km
Juuka 198.0 km
Punkaharju Airport 206.0 km
Parikkala Koitsanlahti 210.4 km
Kalevala 234.7 km
Savonlinna 238.7 km
Valtimo 253.3 km
Rautavaara Yla-luosta 263.3 km
Σλίσελμπουργκ 270.4 km
Rantasalmi Rukkasluoto 275.9 km
Padany 276.8 km
Διεθνές Αεροδρόμιο Πούλκοβο 278.3 km
Olonets 280.6 km
Krenitsy 292.7 km
Joutseno 315.4 km
Βίμποργκ 317.8 km
Sotkamo 320.1 km
Suomussalmi Pesio 323.5 km
Lyuban 327.0 km
Κίρισι 336.4 km
Siversky 340.4 km
Kuopio Ritoniemi 340.8 km
Lodeynoye Pole 346.3 km
Λαππεενράντα 348.8 km
Κουόπιο 353.3 km
Juva 353.4 km
Λαππεενράντα 355.1 km
Κούουσαμο 366.5 km
Κουόπιο 371.3 km
Kondopoga 375.3 km
Πετροζαβόντσκ 378.0 km
Segezha 380.9 km
Kuusamo Oulanka 383.8 km
Rukatunturi 384.7 km
Medvezhyegorsk 386.2 km
Kuusamo Kiutakongas 392.4 km
Kajaani 394.0 km
Arkazha 406.3 km
Ταϊβαλκόσκι 406.9 km
Maaninka 408.4 km
Tikhvin 410.8 km
Kingisepp 421.0 km
Nikolaevskoe 423.7 km
Virolahti 426.3 km
Kovda 427.5 km
Vierema Kaarakkala 429.9 km
Mikkeli 431.5 km
Buldyri 435.1 km
Staraya Russa 454.2 km
Νάρβα 457.2 km
YamskayaSloboda 460.2 km
Salla Kk Paloasema 467.8 km
Vinnitsy-Kalekhovskaya 469.3 km
Raznavolok Cape 470.8 km
Kem' - Port 474.3 km
Vaasa Klemettila 481.6 km
Utti 484.4 km
Kotka Haapasaari 485.5 km
Rankki 502.9 km
Anjala 504.7 km
Vesanto 508.7 km
Πουντασγιάρβι 513.8 km
Yefimovsky 515.8 km
Jõhvi 519.0 km
Borovichi 523.0 km
Gdov 524.0 km
Umba 525.8 km
Vaala Pelso 528.7 km
Leivonmäki 549.1 km
Pernaja Orrengrund 558.9 km
Heinola 568.4 km
Kemijärvi Airport 571.8 km
Kunda (Port) 585.0 km
Mustvee 586.5 km
Väike-Maarja Parish 635.3 km
Τάρτου 641.5 km
Γιόγκεβα 643.0 km
Rovaniemen mlk Apukka 665.8 km