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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 - Valday Distance
Ostashkov 79.0 km
Borovichi 83.5 km
YamskayaSloboda 84.6 km
Bologoye 89.3 km
Demyansk 92.1 km
Kosharovo 151.5 km
Tikhvin 160.0 km
Kirishi 194.1 km
Bely 200.2 km
Yefimovsky 214.7 km
Staraya Russa 215.3 km
Krenitsy 226.4 km
Toropets 227.6 km
Arkazha 228.6 km
Staritsa 231.1 km
Kholm 242.6 km
Lodeynoye Pole 257.7 km
Lyuban 259.5 km
Okhona 271.0 km
Olonets 282.8 km
Vyazma 288.8 km
Maksatikha 293.5 km
Vinnitsy-Kalekhovskaya 299.4 km
Gagarin 300.6 km
Tver 309.0 km
Shlisselburg 311.6 km
Velizh 319.2 km
Babayevo 326.3 km
Smolensk 329.0 km
Velikiye Luki 330.5 km
Spas-Demensk 339.9 km
Pochinok 344.2 km
Ustyuzhna 363.4 km
Dno 367.6 km
Siversky 370.9 km
Petrozavodsk 373.8 km
Pulkovo Airport 379.0 km
Roslavl 379.2 km
Nikolaevskoe 388.2 km
Valaam 415.0 km
Zhukovka 415.2 km
Klin 416.6 km
Vitebsk 420.0 km
Sukhinichi 425.5 km
Novoye Roshchino 428.6 km
Horki 430.3 km
Novo-ierusalim 439.4 km
Maloyaroslavets 449.6 km
Naro-Fominsk 450.5 km
Vytegra 452.2 km
Bryansk 452.2 km
Kastsyukovichy 452.2 km
Orsha 452.6 km
Sortavala 452.6 km
Dubna 459.0 km
Kashin 485.6 km
Slawharad 493.6 km
Vnukovo Intl. Airport 496.0 km
Syanno 497.3 km
Shirki 500.0 km
Pudozh 504.7 km
Mogilev 519.9 km
Moscow 523.1 km
Parikkala Koitsanlahti 535.9 km
Belozersk 538.2 km
Cherepovets 544.0 km
ZavodskiyKhutor 555.5 km
Punkaharju Airport 570.0 km
Tula 592.3 km
Klichaw 608.7 km
Babruysk 644.8 km