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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 - Tristeno Distance
Ioannina 23.9 km
Kastoria Airport 76.1 km
Korçë 90.5 km
Preveza 93.8 km
Gjirokastër 99.7 km
Kozani 102.3 km
Sarandë 111.8 km
Florina 112.9 km
Corfu 121.8 km
Bitola 137.7 km
Ohrid Airport 138.4 km
Ohrid St. Paul AP 140.4 km
Larissa National Airport 158.5 km
Kuçovë 162.0 km
Prilep 172.7 km
Elbasan 174.8 km
Patras Araxos Airport 175.7 km
Cephalonia Airport 182.2 km
Vlorë 183.3 km
Lazaropole 185.1 km
Lamia 185.3 km
Andravida 196.4 km
Sazan 205.3 km
Peshkopi 207.6 km
Nea Anchialos Airport 208.1 km
Yzberish 209.8 km
Tirana 210.9 km
Zakynthos Airport 211.8 km
Pozharane 215.4 km
Gevgelija 218.7 km
Demir Kapija 218.9 km
Tetovo 231.0 km
Thessaloniki Airport 231.6 km
Durrës 234.2 km
Skopje-Petrovec 237.7 km
Štip 242.5 km
Kukës 243.1 km
Tripoli Airport 280.1 km
Skiathos 285.1 km
Berovo 286.8 km
Shkodër 290.0 km
Pristina Airport 290.3 km
Kriva Palanka 290.7 km
Santa Maria di Leuca 295.9 km
Kalamata 303.3 km
Vranje 304.2 km
Sandanski 311.2 km
Serres 314.8 km
Methoni 315.6 km
Tanagra Airport 319.9 km
Lecce 320.8 km
Bar 322.8 km
Podgorica 332.9 km
Elefsina Airport 334.4 km
Podgorica 338.0 km
Leskovac 347.9 km
Brindisi/Casale 351.5 km
Tatoi Palace 354.6 km
Elliniko Airport 360.5 km
Kopaonik Mountain 364.7 km
Tivat 372.4 km
El Venizelos 377.2 km
Musala 379.2 km
Athens Airport 379.5 km
Niš 381.2 km
Sjenica 381.5 km
Nikšić 386.6 km
Dimitrovgrad 386.7 km
Kruševac 394.6 km
Skyros Airport 396.7 km
Sofia 397.1 km
Grottaglie 408.1 km
Pljevlja 415.5 km
Kavala/Chrisoupolis 419.2 km
Dubrovnik Airport 421.0 km
Morava Airport 422.3 km
Kythira 425.3 km
Mourgash 432.1 km
Ćuprija 432.8 km
Požega 435.7 km
Zlatibor 436.3 km
Dubrovnik 442.0 km
Crotone 445.5 km
Lemnos Airport 471.5 km
Vidin 480.1 km
Plovdiv 482.0 km
Calafat 484.8 km
Milos Airport 500.2 km
Syros Airport 500.5 km
Neum 501.6 km
Bjelašnica 512.5 km
Sarajevo-Bjelave 514.5 km
Mostar 516.8 km
Sarajevo Intl. Airport 517.3 km
Kardzhali 522.3 km
Ploče 524.1 km
Bechet 526.5 km
Ivan Sedlo 532.6 km
Lovech 537.8 km
Paros Airport 539.9 km