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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 - Acharnes Distance
Tatoï 6.2 km
Ellinikó Aéroport 19.4 km
Éleusis Aéroport 20.5 km
El Venizelos 26.5 km
Athènes Aéroport 28.5 km
Tanagra Aéroport 32.6 km
Skiathos 115.2 km
Skýros Aéroport 122.6 km
Syros Aéroport 149.9 km
Néa Anchíalos Aéroport 156.3 km
Tripoli Aéroport 158.8 km
Milos Aéroport 163.5 km
Lamia 165.7 km
Páros Aéroport 189.3 km
Mykonos 191.6 km
Cythère 200.5 km
Naxos 207.9 km
Náxos Aéroport 208.4 km
Base aérienne de Larissa 216.1 km
Kalamata 217.7 km
Lemnos Aéroport 249.8 km
Santorin 253.5 km
Aéroport d'Araxos 258.0 km
Methóni 260.2 km
La Canée (Aéroport) 262.7 km
Thessalonique-Makedonía (Aéroport) 262.9 km
Chios Aéroport 268.4 km
Andravída 273.3 km
Tchesmé 286.6 km
Serrès 304.8 km
Kavala/Chrisoupolis 309.9 km
Kozáni 314.5 km
Zante Aéroport 319.1 km
Héraklion Aéroport 322.0 km
Tymbáki Aéroport 327.7 km
Mytilène 334.1 km
Préveza 341.2 km
Kastélli Aéroport 342.3 km
Gevgelija 342.7 km
Ayvalık 352.2 km
Léros 353.2 km
Samos Aéroport 356.0 km
Sandanski 357.7 km
Céphalonie Aéroport 359.9 km
Çanakkale 361.7 km
Dikili 365.0 km
Kastoriá Aéroport 365.5 km
Ioánnina 366.5 km
Çiğli Air Base 367.3 km
Alexandroúpoli Aéroport 370.4 km
Demir Kapija 379.4 km
Flórina 380.1 km
Aéroport Adnan-Menderes 381.4 km
Izmir 383.8 km
Berovo 384.3 km
Sitía Aéroport 391.5 km
Kuşadası 392.1 km
Balıkesir Koca Seyit (Aéroport) 394.0 km
Kos Aéroport 395.4 km
Bitola 403.0 km
Kardjali 404.3 km
Prilep 411.9 km
Štip 413.5 km
Manisa 415.3 km
Moussala 418.4 km
Koritza 420.9 km
Bodrum 424.7 km
Plovdiv 426.4 km
Bodrum-Milas (Aéroport) 446.1 km
Gjirokastër 449.2 km
Ohrid Aéroport 449.4 km
Kriva Palanka 449.6 km
Ohrid St. Paul (Aéroport) 451.9 km
Corfou 453.4 km
Saranda 455.1 km
Aydın 458.9 km
Datça 459.3 km
Skopje-Petrovec 461.3 km
Akhisar 465.8 km
Sofia 467.6 km
Kárpathos 468.8 km
Edirne 479.4 km
Mourgash 484.2 km
Lazaropolé 490.3 km
Balıkesir 490.4 km
Vranje 500.9 km
Pozharane 502.3 km
Tetovo 507.8 km
Kuçovë 510.8 km
Elbasan 512.9 km
Tekirdağ 514.9 km
Bandırma 521.6 km
Peshkopi 522.3 km
Vlora 533.5 km
Kırklareli 535.0 km
Leskovac 540.4 km
Sliven 544.4 km
Kukës 549.8 km
Pristina Aéroport 551.6 km
Yzberish 551.9 km