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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 - Syasstroy Distance
Krenitsy 27.9 km
Kirishi 87.5 km
Olonets 92.1 km
Tikhvin 118.4 km
Lodeynoye Pole 122.2 km
Lyuban 165.9 km
YamskayaSloboda 175.2 km
Shlisselburg 175.4 km
Suoyarvi 185.8 km
Arkazha 211.7 km
Borovichi 218.1 km
Valaam 220.8 km
Demyansk 233.4 km
Staraya Russa 243.6 km
Yefimovsky 244.6 km
Petrozavodsk 245.5 km
Vinnitsy-Kalekhovskaya 251.1 km
Pulkovo Airport 252.8 km
Sortavala 254.8 km
Bologoye 265.4 km
Kondopoga 270.0 km
Siversky 280.9 km
Ostashkov 287.2 km
Ilomantsi Mekrijarvi 306.3 km
Padany 307.5 km
Tohmajärvi 317.7 km
Kholm 321.3 km
Kosharovo 327.1 km
Ilomantsi Pötsönvaara 331.2 km
Medvezhyegorsk 331.5 km
Nikolaevskoe 342.2 km
Toropets 359.5 km
Dno 365.3 km
Parikkala Koitsanlahti 367.7 km
Okhona 370.7 km
Babayevo 380.8 km
Segezha 387.9 km
Punkaharju Airport 395.5 km
Liperi Tuiskavanluoto 396.1 km
Reboly 400.9 km
Joensuu 407.7 km
Lieksa 413.0 km
Velikiye Luki 419.3 km
Maksatikha 427.1 km
Staritsa 427.1 km
Vyborg 430.4 km
Savonlinna 438.7 km
Vytegra 439.8 km
Ustyuzhna 446.2 km
Kingisepp 447.6 km
Joutseno 454.1 km
Pudozh 465.5 km
Tver 474.1 km
Juuka 474.5 km
Kuhmo Kalliojoki 477.5 km
Rantasalmi Rukkasluoto 482.4 km
Raznavolok Cape 486.6 km
Lappeenranta 493.2 km
Lappeenranta 499.3 km
Narva 500.8 km
Puskinskie Gory 505.4 km
Kem' - Port 513.4 km
Pskov 516.1 km
Kolezhma 527.8 km
Rautavaara Yla-luosta 534.3 km
Valtimo 536.1 km
Opochka 539.1 km
Klin 580.3 km
Sotkamo 605.9 km
Suomussalmi Pesio 625.8 km