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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.


Stations météo à proximité - Keratsíni Distance
Éleusis Aéroport 12.6 km
Ellinikó Aéroport 14.3 km
Tatoï 23.6 km
El Venizelos 33.8 km
Tanagra Aéroport 36.9 km
Athènes Aéroport 37.3 km
Skiathos 124.8 km
Skýros Aéroport 140.1 km
Tripoli Aéroport 142.5 km
Syros Aéroport 157.4 km
Néa Anchíalos Aéroport 157.5 km
Milos Aéroport 160.8 km
Lamia 161.1 km
Cythère 184.6 km
Páros Aéroport 193.9 km
Mykonos 200.4 km
Kalamata 200.6 km
Naxos 214.3 km
Náxos Aéroport 214.6 km
Base aérienne de Larissa 216.8 km
Methóni 243.1 km
Aéroport d'Araxos 245.6 km
La Canée (Aéroport) 253.8 km
Santorin 256.0 km
Andravída 259.8 km
Lemnos Aéroport 267.3 km
Thessalonique-Makedonía (Aéroport) 270.6 km
Chios Aéroport 282.6 km
Tchesmé 300.6 km
Zante Aéroport 305.1 km
Kozáni 314.7 km
Serrès 316.3 km
Héraklion Aéroport 318.9 km
Tymbáki Aéroport 321.8 km
Kavala/Chrisoupolis 325.5 km
Préveza 332.0 km
Kastélli Aéroport 339.5 km
Céphalonie Aéroport 347.3 km
Gevgelija 348.9 km
Mytilène 350.1 km
Ioánnina 360.9 km
Léros 363.0 km
Kastoriá Aéroport 364.3 km
Samos Aéroport 367.9 km
Sandanski 368.0 km
Ayvalık 368.6 km
Çanakkale 379.2 km
Flórina 380.5 km
Dikili 380.8 km
Çiğli Air Base 381.7 km
Demir Kapija 385.0 km
Alexandroúpoli Aéroport 387.9 km
Sitía Aéroport 392.0 km
Berovo 393.0 km
Aéroport Adnan-Menderes 395.2 km
Izmir 398.0 km
Bitola 404.1 km
Kos Aéroport 404.1 km
Kuşadası 404.6 km
Balıkesir Koca Seyit (Aéroport) 410.5 km
Prilep 414.5 km
Koritza 418.6 km
Štip 419.5 km
Kardjali 420.9 km
Manisa 429.9 km
Bodrum 434.7 km
Gjirokastër 443.5 km
Corfou 445.8 km
Saranda 448.5 km
Ohrid Aéroport 448.8 km
Ohrid St. Paul (Aéroport) 451.3 km
Bodrum-Milas (Aéroport) 456.8 km
Skopje-Petrovec 465.6 km
Datça 468.4 km
Aydın 471.4 km
Kárpathos 473.5 km
Akhisar 480.8 km
Lazaropolé 490.5 km
Edirne 496.9 km
Pozharane 503.7 km
Balıkesir 506.4 km
Kuçovë 506.9 km
Elbasan 510.7 km
Peshkopi 522.1 km
Vlora 527.9 km
Tekirdağ 532.3 km
Bandırma 538.4 km
Sazan 549.2 km
Yzberish 549.3 km
Tirana 550.7 km
Kırklareli 552.6 km
Çorlu 574.3 km
Durrës 578.1 km