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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 - Kallithéa Distance
Ellinikó Aéroport 7.5 km
Éleusis Aéroport 19.0 km
Tatoï 19.7 km
El Venizelos 26.2 km
Athènes Aéroport 29.7 km
Tanagra Aéroport 41.0 km
Skiathos 127.5 km
Skýros Aéroport 136.4 km
Tripoli Aéroport 149.1 km
Syros Aéroport 149.9 km
Milos Aéroport 155.1 km
Néa Anchíalos Aéroport 163.3 km
Lamia 168.2 km
Cythère 185.8 km
Páros Aéroport 186.6 km
Mykonos 192.8 km
Kalamata 206.5 km
Naxos 206.8 km
Náxos Aéroport 207.2 km
Base aérienne de Larissa 222.7 km
Methóni 248.8 km
Santorin 249.1 km
La Canée (Aéroport) 250.5 km
Aéroport d'Araxos 253.2 km
Lemnos Aéroport 263.6 km
Andravída 267.2 km
Thessalonique-Makedonía (Aéroport) 274.2 km
Chios Aéroport 275.5 km
Tchesmé 293.4 km
Zante Aéroport 312.4 km
Héraklion Aéroport 313.4 km
Tymbáki Aéroport 317.2 km
Serrès 318.1 km
Kozáni 320.8 km
Kavala/Chrisoupolis 324.6 km
Kastélli Aéroport 333.9 km
Préveza 339.6 km
Mytilène 343.6 km
Gevgelija 353.2 km
Céphalonie Aéroport 354.8 km
Léros 355.4 km
Samos Aéroport 360.3 km
Ayvalık 362.3 km
Ioánnina 368.1 km
Sandanski 370.5 km
Kastoriá Aéroport 370.8 km
Çanakkale 374.1 km
Dikili 374.2 km
Çiğli Air Base 374.6 km
Alexandroúpoli Aéroport 384.3 km
Sitía Aéroport 385.5 km
Flórina 386.6 km
Aéroport Adnan-Menderes 387.9 km
Demir Kapija 389.5 km
Izmir 390.8 km
Berovo 396.2 km
Kos Aéroport 396.5 km
Kuşadası 397.1 km
Balıkesir Koca Seyit (Aéroport) 404.4 km
Bitola 410.0 km
Kardjali 418.9 km
Prilep 419.9 km
Manisa 422.8 km
Štip 423.8 km
Koritza 425.3 km
Bodrum 427.1 km
Bodrum-Milas (Aéroport) 449.2 km
Gjirokastër 450.8 km
Corfou 453.3 km
Ohrid Aéroport 455.1 km
Saranda 455.9 km
Ohrid St. Paul (Aéroport) 457.7 km
Datça 460.8 km
Aydın 463.9 km
Kárpathos 466.3 km
Skopje-Petrovec 470.6 km
Akhisar 473.8 km
Edirne 493.2 km
Lazaropolé 496.6 km
Balıkesir 500.0 km
Pozharane 509.6 km
Kuçovë 513.9 km
Elbasan 517.4 km
Tekirdağ 527.2 km
Peshkopi 528.4 km
Bandırma 532.5 km
Vlora 535.2 km
Kırklareli 548.3 km
Yzberish 556.0 km
Sazan 556.5 km
Tirana 557.5 km
Çorlu 569.0 km
Durrës 585.0 km