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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.


Poblíž povětrnostní stanice - Kallithea Vzdálenost
Elliniko (Letiště) 7.5 km
Eleusis Letiště 19.0 km
Tatoi 19.7 km
El Venizelos 26.2 km
Athény Letiště 29.7 km
Tanagra Letiště 41.0 km
Skiathos 127.5 km
Skyros Letiště 136.4 km
Tripolis Letiště 149.1 km
Syros Letiště 149.9 km
Milos Letiště 155.1 km
Nea Anchialos (Letiště) 163.3 km
Lamia 168.2 km
Kythéra 185.8 km
Paros Letiště 186.6 km
Mykonos 192.8 km
Kalamata 206.5 km
Naxos 206.8 km
Naxos Letiště 207.2 km
Larissa National (Letiště) 222.7 km
Methoni 248.8 km
Théra 249.1 km
Letiště Chania 250.5 km
Patras Araxos (Letiště) 253.2 km
Lémnos Letiště 263.6 km
Andravida 267.2 km
Letiště Soluň 274.2 km
Chios Letiště 275.5 km
Çeşme 293.4 km
Zakynthos Letiště 312.4 km
Heráklion Letiště 313.4 km
Tympaki (Letiště) 317.2 km
Serres 318.1 km
Kozani 320.8 km
Kavala/Chrisoupolis 324.6 km
Kastelli (Letiště) 333.9 km
Preveza 339.6 km
Mytiléna 343.6 km
Gevgelija 353.2 km
Kefalonia Letiště 354.8 km
Leros 355.4 km
Samos Letiště 360.3 km
Ayvalık 362.3 km
Ioánnina 368.1 km
Sandanski 370.5 km
Kastoria Letiště 370.8 km
Çanakkale 374.1 km
Dikili 374.2 km
Çiğli Air Base 374.6 km
Alexandrupoli Letiště 384.3 km
Sitia Letiště 385.5 km
Florina 386.6 km
İzmir Adnan Menderes (Letiště) 387.9 km
Demir Kapija 389.5 km
Smyrna 390.8 km
Berovo 396.2 km
Kós Letiště 396.5 km
Kuşadası 397.1 km
Balıkesir Koca Seyit (Letiště) 404.4 km
Bitola 410.0 km
Kardžali 418.9 km
Prilep 419.9 km
Manisa 422.8 km
Štip 423.8 km
Korçë 425.3 km
Bodrum 427.1 km
Milas- Bodrum (Letiště) 449.2 km
Gjirokastër 450.8 km
Korfu 453.3 km
Ochrid Letiště 455.1 km
Saranda 455.9 km
Ohrid St. Paul (Letiště) 457.7 km
Datça 460.8 km
Aydın 463.9 km
Karpathos 466.3 km
Skopje-Petrovec 470.6 km
Akhisar 473.8 km
Edirne 493.2 km
Lazaropole 496.6 km
Balıkesir 500.0 km
Pozharane 509.6 km
Kuçovë 513.9 km
Elbasan 517.4 km
Tekirdağ 527.2 km
Peshkopi 528.4 km
Bandırma 532.5 km
Vlora 535.2 km
Kırklareli 548.3 km
Yzberish 556.0 km
Sazan 556.5 km
Tirana 557.5 km
Çorlu 569.0 km
Drač 585.0 km