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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 - Siversky Distance
Siversky 7.4 km
Pulkovo Airport 64.8 km
Nikolaevskoe 81.2 km
Shlisselburg 118.0 km
Lyuban 129.9 km
Dno 148.4 km
Arkazha 154.0 km
Kingisepp 163.3 km
Staraya Russa 188.8 km
Vyborg 199.0 km
Parikkala Koitsanlahti 213.3 km
Valaam 213.8 km
Narva 217.1 km
Kirishi 219.1 km
Joutseno 234.4 km
Sortavala 238.5 km
Pskov 240.3 km
Kholm 244.7 km
Punkaharju Airport 251.4 km
Gdov 255.8 km
Puskinskie Gory 260.7 km
Krenitsy 260.9 km
Lappeenranta 265.2 km
Lappeenranta 269.5 km
Tohmajärvi 279.3 km
Savonlinna 280.5 km
Virolahti 290.2 km
YamskayaSloboda 293.3 km
Velikiye Luki 294.6 km
Opochka 296.3 km
Jõhvi 297.0 km
Liperi Tuiskavanluoto 311.7 km
Rantasalmi Rukkasluoto 311.9 km
Demyansk 312.3 km
Joensuu 323.5 km
Toropets 324.7 km
Kotka Haapasaari 333.7 km
Ilomantsi Mekrijarvi 342.6 km
Juva 346.8 km
Mustvee 349.9 km
Rankki 359.1 km
Olonets 359.8 km
Suoyarvi 367.4 km
Võru 369.7 km
Velizh 378.6 km
Ilomantsi Pötsönvaara 379.4 km
Utti 380.3 km
Lieksa 382.6 km
Tartu 385.0 km
Anjala 385.7 km
Alūksne 386.2 km
Juuka 386.8 km
Tikhvin 388.8 km
Mikkeli 391.8 km
Kunda (Port) 391.8 km
Ostashkov 399.3 km
Polotsk 403.4 km
Vitebsk 407.5 km
Lodeynoye Pole 408.7 km
Pernaja Orrengrund 412.5 km
Jõgeva 412.6 km
Kuopio Ritoniemi 413.1 km
Rēzekne 415.7 km
Verkhnyadzvinsk 416.9 km
Rautavaara Yla-luosta 420.9 km
Väike-Maarja Parish 427.3 km
Gulbene 431.5 km
Borovichi 435.7 km
Kuopio 437.3 km
Reboly 438.3 km
Kuopio 438.9 km
Valtimo 440.5 km
Bely 461.8 km
Bologoye 464.0 km
Valga 474.6 km
Maaninka 480.8 km
Heinola 482.7 km
Sharkawshchyna 485.5 km
Madona 493.3 km
Daugavpils 505.7 km
Leivonmäki 507.0 km
Yefimovsky 516.0 km
Petrozavodsk 522.1 km
Padany 525.8 km
Vaasa Klemettila 528.7 km
Kosharovo 528.8 km
Vinnitsy-Kalekhovskaya 538.7 km
Vesanto 539.6 km
Kondopoga 540.8 km
Vierema Kaarakkala 541.1 km
Dūkštas 561.8 km
Medvezhyegorsk 590.7 km
Łyntupy 594.2 km
Švenčionys 599.3 km
Staritsa 604.1 km
Vyazma 622.6 km
Segezha 627.2 km