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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 - Psychiko Distance
Tatoi Palace 9.6 km
Elliniko Airport 13.4 km
El Venizelos 19.6 km
Athens Airport 22.1 km
Elefsina Airport 24.7 km
Tanagra Airport 40.1 km
Skiathos 122.6 km
Skyros Airport 125.2 km
Syros Airport 143.7 km
Milos Airport 155.7 km
Tripoli Airport 160.0 km
Nea Anchialos Airport 163.8 km
Lamia 172.3 km
Paros Airport 182.4 km
Mykonos 185.9 km
Kythira 195.8 km
Naxos 201.4 km
Naxos Airport 201.9 km
Kalamata 217.8 km
Larissa National Airport 223.6 km
Santorini 246.3 km
Lemnos Airport 252.4 km
Chania Intl. Airport 255.4 km
Methoni 260.2 km
Patras Araxos Airport 262.0 km
Chios Airport 265.4 km
Thessaloniki Airport 270.5 km
Andravida 276.6 km
Çeşme 283.5 km
Serres 311.8 km
Heraklion Airport 314.3 km
Kavala/Chrisoupolis 315.2 km
Tympaki Airport 320.1 km
Kozani 322.0 km
Zakynthos Airport 322.1 km
Mytilene 332.7 km
Kastelli Airport 334.6 km
Preveza 346.6 km
Leros 347.9 km
Gevgelija 350.4 km
Ayvalık 351.2 km
Samos Airport 351.6 km
Çanakkale 362.6 km
Dikili 363.4 km
Cephalonia Airport 363.8 km
Çiğli Air Base 364.5 km
Sandanski 364.9 km
Kastoria Airport 372.8 km
Ioannina 373.0 km
Alexandroupolis Airport 373.1 km
İzmir Adnan Menderes Airport 378.1 km
İzmir 380.8 km
Sitia Airport 384.0 km
Demir Kapija 387.1 km
Florina 387.6 km
Kuşadası 388.1 km
Kos Airport 389.7 km
Berovo 391.8 km
Balıkesir Koca Seyit Airport 393.2 km
Kardzhali 408.7 km
Bitola 410.6 km
Manisa 412.6 km
Bodrum 419.5 km
Prilep 419.5 km
Štip 421.2 km
Musala 425.3 km
Korçë 428.1 km
Plovdiv 431.9 km
Milas- Bodrum Airport 441.2 km
Datça 453.8 km
Aydın 454.9 km
Gjirokastër 455.6 km
Ohrid Airport 456.8 km
Kriva Palanka 457.2 km
Ohrid St. Paul AP 459.3 km
Corfu 459.3 km
Sarandë 461.3 km
Karpathos 462.0 km
Akhisar 463.4 km
Skopje-Petrovec 469.1 km
Sofia 474.6 km
Edirne 482.0 km
Balıkesir 489.0 km
Mourgash 491.0 km
Lazaropole 497.8 km
Vranje 508.6 km
Pozharane 509.9 km
Tetovo 515.5 km
Tekirdağ 515.7 km
Kuçovë 517.6 km
Elbasan 520.1 km
Bandırma 521.2 km
Peshkopi 529.8 km
Kırklareli 536.9 km
Vlorë 540.0 km
Leskovac 548.1 km
Sliven 548.1 km
Kukës 557.3 km
Çorlu 557.5 km
Yzberish 559.0 km