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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 - Koropí Distance
El Venizelos 5.8 km
Athènes Aéroport 9.9 km
Ellinikó Aéroport 15.7 km
Tatoï 23.2 km
Éleusis Aéroport 39.1 km
Tanagra Aéroport 56.4 km
Skýros Aéroport 128.2 km
Syros Aéroport 128.9 km
Skiathos 137.0 km
Milos Aéroport 139.9 km
Páros Aéroport 166.6 km
Tripoli Aéroport 167.5 km
Mykonos 171.7 km
Néa Anchíalos Aéroport 180.1 km
Naxos 186.1 km
Náxos Aéroport 186.6 km
Lamia 188.0 km
Cythère 190.3 km
Kalamata 223.0 km
Santorin 230.1 km
Base aérienne de Larissa 239.9 km
La Canée (Aéroport) 241.9 km
Lemnos Aéroport 254.6 km
Chios Aéroport 256.1 km
Methóni 264.9 km
Tchesmé 273.9 km
Aéroport d'Araxos 273.9 km
Thessalonique-Makedonía (Aéroport) 285.4 km
Andravída 287.6 km
Héraklion Aéroport 298.4 km
Tymbáki Aéroport 305.1 km
Kastélli Aéroport 318.7 km
Kavala/Chrisoupolis 323.5 km
Serrès 324.5 km
Mytilène 326.2 km
Zante Aéroport 332.5 km
Léros 334.4 km
Kozáni 338.2 km
Samos Aéroport 339.6 km
Ayvalık 345.4 km
Çiğli Air Base 355.3 km
Dikili 356.4 km
Préveza 360.6 km
Çanakkale 360.8 km
Gevgelija 365.7 km
Sitía Aéroport 367.7 km
Aéroport Adnan-Menderes 368.1 km
Izmir 371.2 km
Alexandroúpoli Aéroport 375.2 km
Céphalonie Aéroport 375.4 km
Kos Aéroport 375.5 km
Kuşadası 376.6 km
Sandanski 378.4 km
Balıkesir Koca Seyit (Aéroport) 387.8 km
Ioánnina 388.4 km
Kastoriá Aéroport 389.1 km
Demir Kapija 402.6 km
Manisa 403.5 km
Flórina 403.9 km
Bodrum 406.1 km
Berovo 406.1 km
Kardjali 414.6 km
Bitola 426.8 km
Bodrum-Milas (Aéroport) 428.3 km
Prilep 435.7 km
Štip 436.7 km
Datça 439.8 km
Aydın 443.5 km
Koritza 444.2 km
Kárpathos 446.2 km
Akhisar 455.0 km
Gjirokastër 471.1 km
Ohrid Aéroport 473.1 km
Corfou 474.1 km
Ohrid St. Paul (Aéroport) 475.6 km
Saranda 476.5 km
Balıkesir 482.5 km
Edirne 483.9 km
Skopje-Petrovec 484.9 km
Tekirdağ 513.5 km
Lazaropolé 514.1 km
Bandırma 516.5 km
Pozharane 526.1 km
Kuçovë 533.5 km
Elbasan 536.3 km
Kırklareli 537.2 km
Peshkopi 546.0 km
Çorlu 555.0 km
Vlora 555.5 km
Yzberish 575.1 km
Tirana 576.6 km
Sazan 576.8 km
Durrës 604.5 km