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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 - Nikaia Distance
Ellinikó Aéroport 12.7 km
Éleusis Aéroport 13.8 km
Tatoï 22.2 km
El Venizelos 31.9 km
Athènes Aéroport 35.4 km
Tanagra Aéroport 37.4 km
Skiathos 125.0 km
Skýros Aéroport 138.9 km
Tripoli Aéroport 144.3 km
Syros Aéroport 155.7 km
Néa Anchíalos Aéroport 158.6 km
Milos Aéroport 159.7 km
Lamia 162.6 km
Cythère 185.3 km
Páros Aéroport 192.3 km
Mykonos 198.6 km
Kalamata 202.3 km
Naxos 212.6 km
Náxos Aéroport 212.9 km
Base aérienne de Larissa 217.9 km
Methóni 244.7 km
Aéroport d'Araxos 247.5 km
La Canée (Aéroport) 253.4 km
Santorin 254.5 km
Andravída 261.7 km
Lemnos Aéroport 266.0 km
Thessalonique-Makedonía (Aéroport) 271.1 km
Chios Aéroport 280.8 km
Tchesmé 298.8 km
Zante Aéroport 306.9 km
Kozáni 315.9 km
Serrès 316.3 km
Héraklion Aéroport 317.8 km
Tymbáki Aéroport 321.0 km
Kavala/Chrisoupolis 324.8 km
Préveza 333.8 km
Kastélli Aéroport 338.5 km
Mytilène 348.4 km
Céphalonie Aéroport 349.1 km
Gevgelija 349.6 km
Léros 361.2 km
Ioánnina 362.5 km
Kastoriá Aéroport 365.6 km
Samos Aéroport 366.0 km
Ayvalık 366.9 km
Sandanski 368.2 km
Çanakkale 377.6 km
Dikili 379.1 km
Çiğli Air Base 379.9 km
Flórina 381.7 km
Demir Kapija 385.7 km
Alexandroúpoli Aéroport 386.7 km
Sitía Aéroport 390.7 km
Aéroport Adnan-Menderes 393.3 km
Berovo 393.3 km
Izmir 396.1 km
Kos Aéroport 402.4 km
Kuşadası 402.7 km
Bitola 405.2 km
Balıkesir Koca Seyit (Aéroport) 408.8 km
Prilep 415.5 km
Koritza 420.0 km
Kardjali 420.0 km
Štip 420.2 km
Manisa 428.0 km
Bodrum 432.9 km
Gjirokastër 445.1 km
Corfou 447.5 km
Ohrid Aéroport 450.0 km
Saranda 450.2 km
Ohrid St. Paul (Aéroport) 452.6 km
Bodrum-Milas (Aéroport) 455.0 km
Skopje-Petrovec 466.5 km
Datça 466.6 km
Aydın 469.5 km
Kárpathos 471.9 km
Akhisar 479.0 km
Lazaropolé 491.7 km
Edirne 495.7 km
Balıkesir 504.7 km
Pozharane 504.9 km
Kuçovë 508.4 km
Elbasan 512.1 km
Peshkopi 523.4 km
Vlora 529.5 km
Tekirdağ 530.8 km
Bandırma 536.8 km
Yzberish 550.7 km
Sazan 550.8 km
Kırklareli 551.3 km
Tirana 552.1 km
Çorlu 572.7 km
Durrës 579.6 km