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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 - Tichvin Vzdálenost
Tichvin 5.8 km
Lodějnoje Pole 100.7 km
Boroviči 121.2 km
Yefimovsky 134.1 km
Olonets 138.2 km
Krenitsy 139.3 km
Kiriši 164.2 km
YamskayaSloboda 166.9 km
Vinnitsy-Kalekhovskaya 170.0 km
Bologoje 171.7 km
Demyansk 218.0 km
Petrozavodsk 219.1 km
Kosharovo 225.9 km
Ostaškov 236.5 km
Kondopoga 250.4 km
Ljubaň 253.7 km
Okhona 256.8 km
Suoyarvi 261.8 km
Arkazha 271.6 km
Babajevo 271.7 km
Šlisselburg 279.7 km
Staraja Russa 286.6 km
Maksatikha 313.9 km
Medvežjegorsk 320.4 km
Starica 329.6 km
Valaam 333.9 km
Usťužna 334.3 km
Padany 337.5 km
Cholm 347.9 km
Vytěgra 351.8 km
Belyj 357.6 km
Letiště Pulkovo 357.6 km
Toropec 361.2 km
Tver 364.6 km
Sortavala 366.8 km
Siversky 375.7 km
Pudož 389.6 km
Segeža 391.7 km
Ilomantsi Mekrijarvi 408.1 km
Gagarin 415.4 km
Nikolaevskoe 424.1 km
Vjazma 424.4 km
Novoye Roshchino 426.3 km
Tohmajärvi 428.5 km
Ilomantsi Potsonvaara 428.7 km
Dno 431.0 km
Velikije Luki 446.0 km
Veliž 457.3 km
Klin 469.2 km
Belozersk 478.2 km
Parikkala Koitsanlahti 481.4 km
Dubna 493.1 km
Reboly 495.8 km
Kašin 499.3 km
Novo-ierusalim 501.7 km
Čerepovec 504.0 km
Liperi Tuiskavanluoto 508.1 km
Punkaharju (Letiště) 509.3 km
Lieksa 519.2 km
Joensuu 519.3 km
Naro-Fominsk 525.9 km
Malojaroslavec 536.1 km
Vitebsk 551.5 km
Letiště Moskva-Vnukovo 556.6 km
Moskva 573.0 km
Juuka 585.1 km