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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 - Chalándri Distance
Tatoï 11.1 km
Ellinikó Aéroport 12.6 km
El Venizelos 17.1 km
Athènes Aéroport 19.8 km
Éleusis Aéroport 26.8 km
Tanagra Aéroport 42.6 km
Skiathos 124.7 km
Skýros Aéroport 125.4 km
Syros Aéroport 141.3 km
Milos Aéroport 153.3 km
Tripoli Aéroport 161.2 km
Néa Anchíalos Aéroport 166.3 km
Lamia 174.8 km
Páros Aéroport 179.9 km
Mykonos 183.6 km
Cythère 195.0 km
Naxos 199.0 km
Náxos Aéroport 199.4 km
Kalamata 218.7 km
Base aérienne de Larissa 226.1 km
Santorin 243.7 km
Lemnos Aéroport 252.5 km
La Canée (Aéroport) 253.4 km
Methóni 261.0 km
Chios Aéroport 263.8 km
Aéroport d'Araxos 263.9 km
Thessalonique-Makedonía (Aéroport) 272.8 km
Andravída 278.4 km
Tchesmé 281.8 km
Héraklion Aéroport 311.9 km
Serrès 313.6 km
Kavala/Chrisoupolis 316.3 km
Tymbáki Aéroport 317.8 km
Zante Aéroport 323.9 km
Kozáni 324.5 km
Mytilène 331.4 km
Kastélli Aéroport 332.2 km
Léros 345.7 km
Préveza 348.8 km
Samos Aéroport 349.6 km
Ayvalık 350.1 km
Gevgelija 352.7 km
Çanakkale 362.1 km
Dikili 362.1 km
Çiğli Air Base 362.9 km
Céphalonie Aéroport 365.7 km
Sandanski 366.9 km
Alexandroúpoli Aéroport 373.2 km
Kastoriá Aéroport 375.4 km
Ioánnina 375.4 km
Aéroport Adnan-Menderes 376.4 km
Izmir 379.1 km
Sitía Aéroport 381.5 km
Kuşadası 386.1 km
Kos Aéroport 387.4 km
Demir Kapija 389.4 km
Flórina 390.1 km
Balıkesir Koca Seyit (Aéroport) 392.1 km
Berovo 393.9 km
Kardjali 409.4 km
Manisa 411.0 km
Bitola 413.1 km
Bodrum 417.4 km
Prilep 422.0 km
Štip 423.6 km
Moussala 427.0 km
Koritza 430.6 km
Plovdiv 433.0 km
Bodrum-Milas (Aéroport) 439.1 km
Datça 451.5 km
Aydın 452.9 km
Gjirokastër 458.1 km
Ohrid Aéroport 459.3 km
Kriva Palanka 459.4 km
Kárpathos 459.5 km
Corfou 461.7 km
Ohrid St. Paul (Aéroport) 461.9 km
Akhisar 461.9 km
Saranda 463.7 km
Skopje-Petrovec 471.4 km
Sofia 476.5 km
Edirne 482.1 km
Balıkesir 487.8 km
Mourgash 492.7 km
Lazaropolé 500.3 km
Vranje 510.9 km
Pozharane 512.4 km
Tekirdağ 515.1 km
Tetovo 517.9 km
Kuçovë 520.1 km
Bandırma 520.3 km
Elbasan 522.6 km
Peshkopi 532.3 km
Kırklareli 536.8 km
Vlora 542.4 km
Sliven 548.6 km
Leskovac 550.3 km
Çorlu 556.9 km
Kukës 559.8 km
Yzberish 561.5 km