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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.


Najbliższa stacja pogodowa - Porchow Odległość
Dno 44.8 km
Nikolaevskoe 82.2 km
Puskinskie Gory 102.7 km
Psków 128.5 km
Opoczka 137.9 km
Siwierskij 166.1 km
Wielkie Łuki 180.9 km
Kingisiepp 188.2 km
Chołm 191.2 km
Stara Russa 198.1 km
Arkazha 202.5 km
Gdow 213.1 km
Narwa 223.2 km
Port lotniczy Petersburg-Pułkowo 228.1 km
Połock 240.0 km
Lubań 241.3 km
Wierchniedźwińsk 260.6 km
Toropiec 262.5 km
Szlisselburg 263.5 km
Witebsk 269.8 km
Wieliż 275.1 km
Rzeżyca 281.4 km
Võru 281.8 km
Alūksne 282.1 km
Jõhvi 284.1 km
Sienno 287.1 km
Lepel 295.9 km
Wyborg 300.9 km
Mustvee 308.6 km
Tartu 317.9 km
Kiriszy 319.9 km
Gulbene 321.5 km
Diemiansk 324.9 km
Orsza 330.0 km
Szarkowszczyzna 331.0 km
YamskayaSloboda 335.5 km
Joutseno 336.9 km
Virolahti 341.2 km
Dokszyce 344.6 km
Lappeenranta 353.8 km
Lappeenranta 355.5 km
Parikkala Koitsanlahti 356.4 km
Borysów 360.3 km
Kotka Haapasaari 360.8 km
Jõgeva 363.3 km
Horki 367.3 km
Dyneburg 368.7 km
Mohylew 373.1 km
Kunda (Port) 375.6 km
Wyspy Wałaamskie 376.7 km
Krenitsy 381.0 km
Madona 381.6 km
Rankki 384.3 km
Berezyna 387.3 km
Valga 391.5 km
Punkaharju Port lotniczy 392.1 km
Väike-Maarja 392.9 km
Ostaszków 401.6 km
Sortawała 401.8 km
Smoleńsk 402.0 km
Zosēni 410.4 km
Zosēni 410.4 km
Savonlinna 411.2 km
Kliczew 414.3 km
Anjala 419.1 km
Biełyj 420.1 km
Dukszty 422.5 km
Zīlāni 422.5 km
Utti 423.4 km
Pernaja Orrengrund 423.6 km
Port lotniczy Mińsk 431.1 km
Juva 443.3 km
Viljandi 443.7 km
Bobrujsk 444.8 km
Sławograd 445.3 km
Marina Horka 445.3 km
Łyntupy 449.2 km
Poczynok 453.0 km
Święciany 456.6 km
Mikkeli 464.2 km
Rūjiena 465.3 km
Priekuļi 470.9 km
Türi 471.7 km
Tichwin 479.8 km
Borowicze 488.1 km
Ołoniec 489.6 km
Kallbadagrund 491.1 km
Uciana 493.7 km
Porvoo Emasalo 497.7 km
Skrīveri 504.6 km
Kościukowicze 506.7 km
Shirki 509.2 km
Porvoo 509.5 km
Porvoo Kilpilahti 510.9 km
Słuck 513.5 km
Heinola 515.8 km
Rosław 516.5 km
Łodiejnoje Pole 525.8 km
Lahti 538.2 km
Leivonmäki 558.3 km