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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 - Marathón Vzdálenost
Tatoi 19.0 km
Athény Letiště 22.0 km
El Venizelos 24.0 km
Elliniko (Letiště) 36.1 km
Eleusis Letiště 45.3 km
Tanagra Letiště 49.4 km
Skyros Letiště 102.0 km
Skiathos 116.6 km
Syros Letiště 132.0 km
Milos Letiště 158.8 km
Nea Anchialos (Letiště) 168.8 km
Mykonos 171.9 km
Paros Letiště 174.4 km
Tripolis Letiště 183.7 km
Lamia 184.2 km
Naxos 190.7 km
Naxos Letiště 191.3 km
Kythéra 217.1 km
Larissa National (Letiště) 228.4 km
Lémnos Letiště 228.9 km
Théra 240.8 km
Kalamata 242.2 km
Chios Letiště 243.8 km
Çeşme 262.0 km
Letiště Soluň 265.3 km
Letiště Chania 266.2 km
Patras Araxos (Letiště) 282.0 km
Methoni 284.6 km
Kavala/Chrisoupolis 296.5 km
Andravida 297.8 km
Serres 300.2 km
Mytiléna 309.1 km
Heráklion Letiště 316.5 km
Tympaki (Letiště) 326.3 km
Kozani 326.8 km
Ayvalık 327.3 km
Leros 331.8 km
Samos Letiště 332.9 km
Kastelli (Letiště) 336.3 km
Çanakkale 338.1 km
Dikili 340.0 km
Çiğli Air Base 342.6 km
Zakynthos Letiště 343.9 km
Gevgelija 346.7 km
Alexandrupoli Letiště 349.6 km
Sandanski 355.0 km
İzmir Adnan Menderes (Letiště) 357.0 km
Smyrna 359.2 km
Preveza 363.0 km
Kuşadası 368.5 km
Balıkesir Koca Seyit (Letiště) 369.1 km
Kós Letiště 375.0 km
Kastoria Letiště 379.4 km
Sitia Letiště 380.7 km
Kefalonia Letiště 384.1 km
Demir Kapija 384.3 km
Berovo 384.4 km
Ioánnina 385.2 km
Kardžali 387.6 km
Manisa 390.6 km
Florina 392.1 km
Bodrum 403.1 km
Musala 412.9 km
Plovdiv 413.7 km
Bitola 414.0 km
Štip 417.9 km
Prilep 420.9 km
Milas- Bodrum (Letiště) 423.8 km
Aydın 435.2 km
Korçë 435.9 km
Datça 438.5 km
Akhisar 440.9 km
Kriva Palanka 451.9 km
Karpathos 452.6 km
Edirne 458.4 km
Ochrid Letiště 462.4 km
Sofie 463.1 km
Ohrid St. Paul (Letiště) 465.0 km
Balıkesir 465.3 km
Gjirokastër 467.7 km
Skopje-Petrovec 467.9 km
Korfu 473.8 km
Saranda 474.6 km
Mourgash 478.0 km
Tekirdağ 491.2 km
Bandırma 496.9 km
Lazaropole 502.2 km
Vranje 504.6 km
Pozharane 512.6 km
Kırklareli 512.8 km
Tetovo 517.3 km
Sliven 525.9 km
Kuçovë 527.4 km
Elbasan 527.8 km
Çorlu 533.0 km
Peshkopi 534.6 km
Leskovac 543.1 km
Vlora 551.9 km
Priština Letiště 559.2 km
Kukës 561.1 km