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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 - Pitkjaranta Vzdálenost
Valaam 67.7 km
Sortavala 84.7 km
Suoyarvi 113.8 km
Ilomantsi Mekrijarvi 127.1 km
Tohmajärvi 140.1 km
Ilomantsi Potsonvaara 157.1 km
Šlisselburg 163.9 km
Krenitsy 166.5 km
Olonets 177.5 km
Letiště Pulkovo 200.6 km
Kiriši 210.1 km
Ljubaň 212.3 km
Liperi Tuiskavanluoto 221.1 km
Parikkala Koitsanlahti 223.6 km
Reboly 227.8 km
Lieksa 230.6 km
Joensuu 231.6 km
Punkaharju (Letiště) 240.6 km
Lodějnoje Pole 245.3 km
Siversky 258.7 km
Padany 269.5 km
Savonlinna 283.0 km
Arkazha 290.9 km
Tichvin 293.5 km
Juuka 295.5 km
Kuhmo Kalliojoki 298.5 km
Petrozavodsk 312.6 km
Vyborg 315.1 km
Kondopoga 320.4 km
Rantasalmi Rukkasluoto 326.6 km
Joutseno 327.3 km
YamskayaSloboda 333.4 km
Staraja Russa 337.7 km
Nikolaevskoe 342.0 km
Kalevala 348.7 km
Medvežjegorsk 353.5 km
Valtimo 356.5 km
Rautavaara Yla-luosta 357.7 km
Lappeenranta 366.0 km
Lappeenranta 372.6 km
Segeža 375.0 km
Vinnitsy-Kalekhovskaya 379.3 km
Kingisepp 383.1 km
Demyansk 386.2 km
Dno 396.6 km
Juva 399.9 km
Boroviči 400.6 km
Yefimovsky 408.3 km
Kuopio Ritoniemi 414.0 km
Cholm 421.1 km
Sotkamo 426.0 km
Narva 429.2 km
Kuopio 431.6 km
Virolahti 434.2 km
Suomussalmi Pesio 443.3 km
Kuopio 445.6 km
Bologoje 447.7 km
Ostaškov 455.8 km
Mikkeli 474.4 km
Raznavolok Cape 474.9 km
Buldyri 481.0 km
Maaninka 487.0 km
Gdov 488.5 km
Kem' - Port 488.9 km
Kotka Haapasaari 492.8 km
Kuusamo 493.3 km
Kajaani 496.5 km
Pskov 500.0 km
Jõhvi 502.1 km
Kosharovo 509.5 km
Vierema Kaarakkala 521.6 km
Puskinskie Gory 522.7 km
Taivalkoski 527.5 km
Babajevo 536.1 km
Okhona 540.8 km
Kolezhma 550.2 km
Soloveckij 569.9 km
Maksatikha 602.8 km
Võru 612.8 km
Alūksne 636.0 km