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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 - Grevena Distance
Kastoria Airport 40.8 km
Kozani 46.6 km
Florina 72.6 km
Ioannina 79.4 km
Korçë 91.1 km
Bitola 100.3 km
Larissa National Airport 120.6 km
Ohrid Airport 124.9 km
Ohrid St. Paul AP 127.4 km
Prilep 130.5 km
Gjirokastër 141.0 km
Preveza 141.1 km
Sarandë 159.1 km
Gevgelija 163.3 km
Demir Kapija 166.1 km
Lamia 168.5 km
Lazaropole 170.5 km
Corfu 173.9 km
Nea Anchialos Airport 177.4 km
Thessaloniki Airport 178.2 km
Elbasan 183.1 km
Kuçovë 184.6 km
Štip 192.2 km
Pozharane 193.4 km
Skopje-Petrovec 196.7 km
Peshkopi 199.1 km
Patras Araxos Airport 200.4 km
Tetovo 205.7 km
Vlorë 218.9 km
Yzberish 222.1 km
Tirana 223.7 km
Andravida 225.1 km
Cephalonia Airport 228.5 km
Kukës 231.3 km
Berovo 232.0 km
Kriva Palanka 241.3 km
Sazan 241.5 km
Zakynthos Airport 249.4 km
Skiathos 249.7 km
Durrës 253.1 km
Sandanski 255.4 km
Serres 259.8 km
Vranje 261.2 km
Pristina Airport 262.2 km
Tripoli Airport 285.2 km
Shkodër 295.8 km
Tanagra Airport 297.6 km
Leskovac 305.8 km
Elefsina Airport 315.3 km
Kalamata 319.0 km
Musala 323.7 km
Tatoi Palace 332.6 km
Bar 334.4 km
Dimitrovgrad 337.0 km
Methoni 337.9 km
Podgorica 339.1 km
Kopaonik Mountain 339.3 km
Niš 340.5 km
Elliniko Airport 341.7 km
Podgorica 343.0 km
Sofia 343.1 km
Santa Maria di Leuca 343.4 km
El Venizelos 356.3 km
Athens Airport 358.2 km
Skyros Airport 360.1 km
Kruševac 361.1 km
Lecce 364.0 km
Kavala/Chrisoupolis 366.2 km
Sjenica 368.6 km
Mourgash 377.7 km
Tivat 384.6 km
Brindisi/Casale 390.4 km
Nikšić 392.4 km
Morava Airport 398.9 km
Ćuprija 399.0 km
Pljevlja 411.2 km
Kragujevac 413.5 km
Požega 419.7 km
Crni Vrh Mountain 421.4 km
Zlatibor 424.9 km
Lemnos Airport 425.2 km
Plovdiv 426.3 km
Kythira 430.2 km
Vidin 432.6 km
Dubrovnik Airport 436.0 km
Calafat 436.7 km
Negotin 446.6 km
Smederevska Palanka 447.6 km
Grottaglie 449.4 km
Dubrovnik 457.8 km
Băileşti 458.7 km
Kardzhali 467.9 km
Valjevo 471.5 km
Bechet 473.3 km
Syros Airport 476.7 km
Moldova Nouă 481.0 km
Lovech 482.2 km
Veliko Gradište 483.6 km
Milos Airport 486.4 km
Drobeta-Turnu Severin 487.8 km