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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.


Nearby Weather Stations - Korydallos Distance
Elliniko Airport 11.3 km
Elefsina Airport 15.1 km
Tatoi Palace 20.8 km
El Venizelos 30.1 km
Athens Airport 33.6 km
Tanagra Airport 38.0 km
Skiathos 125.3 km
Skyros Airport 137.6 km
Tripoli Airport 146.1 km
Syros Airport 153.9 km
Milos Airport 158.6 km
Nea Anchialos Airport 159.7 km
Lamia 164.2 km
Kythira 185.9 km
Paros Airport 190.7 km
Mykonos 196.8 km
Kalamata 203.9 km
Naxos 210.9 km
Naxos Airport 211.2 km
Larissa National Airport 219.1 km
Methoni 246.3 km
Patras Araxos Airport 249.3 km
Chania Intl. Airport 253.0 km
Santorini 253.1 km
Andravida 263.5 km
Lemnos Airport 264.8 km
Thessaloniki Airport 271.6 km
Chios Airport 278.9 km
Çeşme 296.9 km
Zakynthos Airport 308.8 km
Serres 316.3 km
Heraklion Airport 316.8 km
Kozani 317.1 km
Tympaki Airport 320.3 km
Kavala/Chrisoupolis 324.2 km
Preveza 335.6 km
Kastelli Airport 337.4 km
Mytilene 346.6 km
Gevgelija 350.2 km
Cephalonia Airport 351.0 km
Leros 359.4 km
Ioannina 364.1 km
Samos Airport 364.2 km
Ayvalık 365.1 km
Kastoria Airport 367.0 km
Sandanski 368.4 km
Çanakkale 376.1 km
Dikili 377.3 km
Çiğli Air Base 378.1 km
Florina 382.9 km
Alexandroupolis Airport 385.4 km
Demir Kapija 386.5 km
Sitia Airport 389.4 km
İzmir Adnan Menderes Airport 391.5 km
Berovo 393.7 km
İzmir 394.3 km
Kos Airport 400.6 km
Kuşadası 400.9 km
Bitola 406.4 km
Balıkesir Koca Seyit Airport 407.1 km
Prilep 416.5 km
Kardzhali 419.1 km
Štip 420.9 km
Korçë 421.4 km
Manisa 426.2 km
Bodrum 431.1 km
Gjirokastër 446.7 km
Corfu 449.2 km
Ohrid Airport 451.3 km
Sarandë 451.8 km
Milas- Bodrum Airport 453.1 km
Ohrid St. Paul AP 453.9 km
Datça 464.8 km
Skopje-Petrovec 467.3 km
Aydın 467.7 km
Karpathos 470.3 km
Akhisar 477.1 km
Lazaropole 492.9 km
Edirne 494.4 km
Balıkesir 502.9 km
Pozharane 506.0 km
Kuçovë 509.9 km
Elbasan 513.5 km
Peshkopi 524.6 km
Tekirdağ 529.3 km
Vlorë 531.1 km
Bandırma 535.1 km
Kırklareli 549.9 km
Yzberish 552.1 km
Sazan 552.4 km
Tirana 553.6 km
Çorlu 571.2 km
Durrës 581.1 km