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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 - Keratéa Distance
El Venizelos 13.1 km
Athènes Aéroport 13.7 km
Ellinikó Aéroport 28.4 km
Tatoï 37.5 km
Éleusis Aéroport 53.8 km
Tanagra Aéroport 71.4 km
Syros Aéroport 115.1 km
Milos Aéroport 125.7 km
Skýros Aéroport 131.7 km
Skiathos 150.2 km
Páros Aéroport 151.7 km
Mykonos 158.4 km
Naxos 171.8 km
Náxos Aéroport 172.1 km
Tripoli Aéroport 176.5 km
Cythère 187.5 km
Néa Anchíalos Aéroport 195.1 km
Lamia 202.9 km
Santorin 215.0 km
Kalamata 229.7 km
La Canée (Aéroport) 230.6 km
Chios Aéroport 247.1 km
Base aérienne de Larissa 254.9 km
Lemnos Aéroport 256.5 km
Tchesmé 264.6 km
Methóni 271.1 km
Héraklion Aéroport 284.1 km
Aéroport d'Araxos 286.1 km
Tymbáki Aéroport 291.8 km
Thessalonique-Makedonía (Aéroport) 298.9 km
Andravída 298.9 km
Kastélli Aéroport 304.2 km
Mytilène 319.7 km
Léros 321.4 km
Samos Aéroport 328.0 km
Kavala/Chrisoupolis 330.6 km
Serrès 335.8 km
Ayvalık 339.6 km
Zante Aéroport 343.3 km
Çiğli Air Base 346.3 km
Dikili 349.5 km
Sitía Aéroport 352.7 km
Kozáni 353.3 km
Aéroport Adnan-Menderes 358.2 km
Çanakkale 358.6 km
Izmir 361.9 km
Kos Aéroport 362.0 km
Kuşadası 365.6 km
Préveza 374.3 km
Alexandroúpoli Aéroport 376.7 km
Gevgelija 379.6 km
Balıkesir Koca Seyit (Aéroport) 382.3 km
Céphalonie Aéroport 387.3 km
Sandanski 390.3 km
Bodrum 393.2 km
Manisa 394.5 km
Ioánnina 403.1 km
Kastoriá Aéroport 404.2 km
Bodrum-Milas (Aéroport) 415.8 km
Demir Kapija 416.7 km
Flórina 418.9 km
Berovo 419.0 km
Kardjali 419.5 km
Datça 426.4 km
Kárpathos 431.4 km
Aydın 432.3 km
Bitola 441.8 km
Akhisar 446.5 km
Prilep 450.4 km
Štip 450.6 km
Koritza 459.3 km
Balıkesir 475.8 km
Edirne 485.0 km
Gjirokastër 485.8 km
Ohrid Aéroport 488.1 km
Corfou 488.3 km
Ohrid St. Paul (Aéroport) 490.7 km
Saranda 491.0 km
Skopje-Petrovec 499.3 km
Tekirdağ 510.8 km
Bandırma 511.5 km
Lazaropolé 529.1 km
Kırklareli 536.7 km
Pozharane 541.0 km
Kuçovë 548.5 km
Elbasan 551.3 km
Çorlu 551.9 km
Peshkopi 561.1 km
Vlora 570.2 km
Yzberish 590.1 km
Sazan 591.5 km
Tirana 591.6 km
Durrës 619.5 km