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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 - Nea Penteli Vzdálenost
Tatoi 9.5 km
El Venizelos 15.5 km
Athény Letiště 16.3 km
Elliniko (Letiště) 21.1 km
Eleusis Letiště 33.4 km
Tanagra Letiště 44.5 km
Skyros Letiště 116.8 km
Skiathos 121.9 km
Syros Letiště 136.7 km
Milos Letiště 154.2 km
Nea Anchialos (Letiště) 167.6 km
Tripolis Letiště 169.9 km
Paros Letiště 176.7 km
Mykonos 178.3 km
Lamia 178.7 km
Naxos 194.8 km
Naxos Letiště 195.4 km
Kythéra 202.9 km
Larissa National (Letiště) 227.4 km
Kalamata 227.6 km
Théra 241.6 km
Lémnos Letiště 243.8 km
Chios Letiště 255.8 km
Letiště Chania 257.3 km
Methoni 270.0 km
Letiště Soluň 270.5 km
Patras Araxos (Letiště) 271.1 km
Çeşme 273.9 km
Andravida 286.0 km
Serres 309.1 km
Kavala/Chrisoupolis 309.3 km
Heráklion Letiště 312.6 km
Tympaki (Letiště) 320.1 km
Mytiléna 322.8 km
Kozani 325.9 km
Zakynthos Letiště 331.7 km
Kastelli (Letiště) 332.7 km
Leros 339.8 km
Ayvalık 341.3 km
Samos Letiště 342.7 km
Gevgelija 351.0 km
Çanakkale 353.1 km
Dikili 353.5 km
Preveza 354.6 km
Çiğli Air Base 354.8 km
Sandanski 363.0 km
Alexandrupoli Letiště 364.5 km
İzmir Adnan Menderes (Letiště) 368.6 km
Smyrna 371.2 km
Kefalonia Letiště 373.0 km
Kastoria Letiště 377.5 km
Kuşadası 378.9 km
Ioánnina 379.7 km
Sitia Letiště 380.2 km
Kós Letiště 382.0 km
Balıkesir Koca Seyit (Letiště) 383.3 km
Demir Kapija 388.1 km
Berovo 390.9 km
Florina 391.5 km
Kardžali 401.5 km
Manisa 402.9 km
Bodrum 411.3 km
Bitola 414.1 km
Štip 422.0 km
Prilep 422.2 km
Musala 422.3 km
Plovdiv 426.2 km
Milas- Bodrum (Letiště) 432.7 km
Korçë 433.2 km
Aydın 445.7 km
Datça 445.9 km
Akhisar 453.7 km
Karpathos 456.0 km
Kriva Palanka 457.2 km
Ochrid Letiště 461.1 km
Gjirokastër 462.2 km
Ohrid St. Paul (Letiště) 463.6 km
Korfu 466.8 km
Saranda 468.4 km
Skopje-Petrovec 470.8 km
Sofie 472.0 km
Edirne 473.4 km
Balıkesir 479.1 km
Mourgash 487.8 km
Lazaropole 501.7 km
Tekirdağ 506.1 km
Vranje 509.2 km
Bandırma 511.4 km
Pozharane 513.1 km
Tetovo 518.3 km
Kuçovë 523.5 km
Elbasan 525.2 km
Kırklareli 527.9 km
Peshkopi 533.8 km
Sliven 540.3 km
Vlora 546.6 km
Çorlu 547.9 km
Leskovac 548.3 km
Kukës 561.0 km
Priština Letiště 561.4 km