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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 - Siatista Distance
Kozani 26.2 km
Kastoria Airport 35.2 km
Florina 56.1 km
Bitola 83.7 km
Korçë 94.5 km
Ioannina 102.1 km
Prilep 110.4 km
Larissa National Airport 116.5 km
Ohrid Airport 118.9 km
Ohrid St. Paul AP 121.5 km
Gevgelija 139.6 km
Demir Kapija 142.1 km
Gjirokastër 157.0 km
Thessaloniki Airport 159.8 km
Lazaropole 162.0 km
Preveza 165.1 km
Štip 168.7 km
Lamia 174.1 km
Nea Anchialos Airport 175.6 km
Skopje-Petrovec 176.3 km
Sarandë 177.2 km
Pozharane 181.1 km
Elbasan 184.4 km
Tetovo 191.7 km
Kuçovë 191.9 km
Peshkopi 192.7 km
Corfu 194.0 km
Berovo 208.0 km
Kriva Palanka 217.8 km
Patras Araxos Airport 219.8 km
Kukës 222.8 km
Yzberish 224.3 km
Tirana 225.9 km
Vlorë 231.0 km
Sandanski 232.3 km
Serres 239.1 km
Vranje 239.6 km
Skiathos 244.0 km
Andravida 245.3 km
Pristina Airport 246.4 km
Cephalonia Airport 252.1 km
Sazan 253.5 km
Durrës 257.4 km
Zakynthos Airport 271.5 km
Leskovac 284.4 km
Shkodër 294.0 km
Tripoli Airport 297.6 km
Tanagra Airport 298.2 km
Musala 300.1 km
Dimitrovgrad 313.4 km
Elefsina Airport 317.4 km
Sofia 319.0 km
Niš 319.5 km
Kopaonik Mountain 324.1 km
Tatoi Palace 333.1 km
Bar 334.7 km
Kalamata 334.8 km
Podgorica 337.0 km
Podgorica 340.4 km
Kruševac 342.6 km
Elliniko Airport 343.7 km
Kavala/Chrisoupolis 347.4 km
Skyros Airport 352.6 km
Mourgash 353.7 km
Methoni 355.7 km
El Venizelos 357.2 km
Sjenica 358.2 km
Athens Airport 358.8 km
Santa Maria di Leuca 360.3 km
Lecce 378.5 km
Ćuprija 380.3 km
Morava Airport 384.1 km
Tivat 384.7 km
Nikšić 389.8 km
Kragujevac 396.8 km
Crni Vrh Mountain 400.5 km
Brindisi/Casale 402.8 km
Pljevlja 404.2 km
Plovdiv 404.2 km
Požega 407.8 km
Vidin 409.5 km
Lemnos Airport 411.6 km
Calafat 413.4 km
Zlatibor 414.8 km
Negotin 424.1 km
Smederevska Palanka 430.6 km
Băileşti 434.9 km
Dubrovnik Airport 437.1 km
Kythira 441.6 km
Kardzhali 447.7 km
Bechet 449.2 km
Lovech 458.6 km
Dubrovnik 459.1 km
Valjevo 459.1 km
Moldova Nouă 461.3 km
Grottaglie 462.7 km
Veliko Gradište 464.2 km
Drobeta-Turnu Severin 465.4 km
Bâcleş 467.0 km
Syros Airport 475.6 km