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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 - Opochka Distance
Opochka 5.6 km
Puskinskie Gory 39.1 km
Pskov 108.7 km
Verkhnyadzvinsk 118.9 km
Polotsk 122.5 km
Rēzekne 156.9 km
Dno 178.4 km
Lyepyel 179.1 km
Sharkawshchyna 189.3 km
Alūksne 195.0 km
Dokshytsy 205.9 km
Võru 214.4 km
Syanno 217.8 km
Gdov 218.4 km
Nikolaevskoe 219.6 km
Velikiye Luki 220.0 km
Gulbene 220.9 km
Daugavpils 236.4 km
Barysaw 240.3 km
Vitebsk 242.6 km
Kingisepp 259.0 km
Tartu 265.8 km
Narva 266.6 km
Madona 273.1 km
Kholm 283.3 km
Byerazino 284.1 km
Mustvee 284.9 km
Dūkštas 287.2 km
Orsha 291.7 km
Jõhvi 292.9 km
Minsk National Airport 296.4 km
Velizh 299.6 km
Siversky 303.1 km
Zīlāni 306.6 km
Łyntupy 310.0 km
Zosēni 310.1 km
Zosēni 310.1 km
Mogilev 310.4 km
Valga 311.5 km
Švenčionys 318.7 km
Staraya Russa 320.5 km
Marjina Horka 321.1 km
Jõgeva 321.4 km
Klichaw 321.8 km
Toropets 331.0 km
Arkazha 335.9 km
Horki 344.3 km
Babruysk 345.7 km
Väike-Maarja Parish 361.0 km
Utena 362.7 km
Kunda (Port) 363.0 km
Pulkovo Airport 363.6 km
Priekuļi 375.2 km
Viljandi 378.5 km
Lyuban 382.3 km
Slutsk 382.4 km
Rūjiena 384.7 km
Kotka Haapasaari 387.7 km
Virolahti 389.9 km
Vyborg 390.6 km
Skrīveri 394.0 km
Zhlobin 401.3 km
Shlisselburg 404.9 km
Rankki 406.1 km
Slawharad 408.8 km
Türi 417.4 km
Smolensk 423.0 km
Pernaja Orrengrund 428.5 km
Demyansk 432.4 km
Biržai 437.2 km
Anjala 443.2 km
Vilnius Airport 447.7 km
Zhytkavichy 450.1 km
Vasilievichy 452.8 km
Utti 454.8 km
YamskayaSloboda 455.3 km
Kirishi 457.6 km
Ukmergė 458.2 km
Baranavichy 463.5 km
Lida 465.2 km
Kallbadagrund 470.3 km
Pochinok 473.7 km
Skulte 477.2 km
Porvoo Emasalo 482.7 km
Shirki 483.2 km
Bely 484.0 km
Panevėžys 486.4 km
Gomel 488.3 km
Kuusiku 491.7 km
Ainaži 492.2 km
Porvoo Kilpilahti 496.7 km
Pärnu Airport 497.0 km
Kastsyukovichy 497.7 km
Porvoo 498.4 km
Bauska 500.0 km
Riga Airport 514.5 km
Krenitsy 520.9 km
Tallinn 526.3 km
Töölö 531.1 km
Roslavl 534.8 km