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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.


Estações Meteorológicas Próximas - Mégara Distância
Elêusis Aeroporto 25.6 km
Tânagra Aeroporto 40.7 km
Elliniko Airport 44.7 km
Palácio de Tatoi 51.8 km
El Venizelos 65.3 km
Atenas Aeroporto 68.8 km
Trípoli Aeroporto 113.7 km
Escíato 124.0 km
Lâmia 135.5 km
Nea Anchialos Airport 140.1 km
Esquiro Aeroporto 162.5 km
Calamata 174.2 km
Citera 177.5 km
Milos Aeroporto 182.7 km
Siro Aeroporto 187.9 km
Larissa National Airport 197.6 km
Patras Araxos Airport 214.1 km
Modon 216.9 km
Paros Aeroporto 222.6 km
Andravida 228.3 km
Míconos 231.3 km
Naxos 244.0 km
Naxos Aeroporto 244.3 km
Aeroporto de Salonica-Macedónia 262.5 km
Chania Intl. Airport 264.7 km
Zacinto Aeroporto 273.8 km
Santorini 282.6 km
Lemnos Aeroporto 288.5 km
Cozani 294.1 km
Preveza 301.5 km
Quios Aeroporto 313.7 km
Cefalônia Aeroporto 315.7 km
Serres 316.0 km
Çeşme 331.8 km
Janina 333.0 km
Kavala/Chrisoupolis 336.2 km
Tympaki Airport 337.4 km
Gevgelija 337.7 km
Heraclião Aeroporto 338.7 km
Castória Aeroporto 341.5 km
Florina 359.7 km
Castéli Aeroporto 359.7 km
Sandanski 364.7 km
Demir Kapija 372.4 km
Mitilene 379.7 km
Bitola 384.2 km
Berovo 386.1 km
Leros 394.2 km
Korçë 394.3 km
Prilepo 396.8 km
Ayvalık 397.6 km
Samos Aeroporto 399.4 km
Çanakkale 404.6 km
Štip 407.3 km
Alexandrópolis Aeroporto 408.4 km
Dikili 410.7 km
Çiğli Air Base 412.7 km
Gjirokastër 415.6 km
Corfu 416.2 km
Siteía Aeroporto 416.2 km
Sarandë 419.7 km
Ocrida Aeroporto 426.4 km
Aeroporto de Esmirna-Adnan Menderes 426.5 km
Ohrid St. Paul Airport 428.9 km
Esmirna 429.1 km
Cós Aeroporto 434.9 km
Kardzhali 435.3 km
Kuşadası 436.2 km
Balıkesir Koca Seyit Airport 439.2 km
Skopje-Petrovec 450.5 km
Manisa 460.8 km
Bodrum 466.0 km
Lazaropole 469.2 km
Kuçovë 480.6 km
Pozharane 484.2 km
Elbasani 486.2 km
Milas- Bodrum Airport 488.2 km
Datça 499.3 km
Vlorë 499.9 km
Peshkopi 500.2 km
Cárpatos 501.7 km
Aidim 503.0 km
Akhisar 511.4 km
Edirne 517.4 km
Sazan 520.9 km
Yzberish 524.3 km
Tirana 525.7 km
Baliquesir 535.9 km
Durrës 552.3 km
Tekirdağ 557.9 km
Bandırma 566.4 km
Kırklareli 575.2 km
Çorlu 600.2 km