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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 - Poros Vzdálenost
Elliniko (Letiště) 50.5 km
Eleusis Letiště 58.9 km
El Venizelos 67.1 km
Athény Letiště 71.1 km
Tatoi 72.4 km
Tanagra Letiště 83.9 km
Tripolis Letiště 116.9 km
Kythéra 133.5 km
Milos Letiště 140.6 km
Kalamata 165.6 km
Syros Letiště 167.1 km
Skiathos 172.0 km
Lamia 180.7 km
Skyros Letiště 188.4 km
Nea Anchialos (Letiště) 190.6 km
Paros Letiště 193.0 km
Methoni 206.5 km
Mykonos 211.6 km
Letiště Chania 214.0 km
Naxos Letiště 217.7 km
Naxos 217.9 km
Patras Araxos (Letiště) 236.0 km
Andravida 245.0 km
Théra 246.6 km
Larissa National (Letiště) 247.1 km
Zakynthos Letiště 286.9 km
Tympaki (Letiště) 288.1 km
Heráklion Letiště 292.5 km
Chios Letiště 310.3 km
Letiště Soluň 313.3 km
Kastelli (Letiště) 313.7 km
Lémnos Letiště 315.4 km
Çeşme 327.4 km
Preveza 332.5 km
Kefalonia Letiště 334.5 km
Kozani 342.3 km
Serres 364.3 km
Ioánnina 372.1 km
Leros 374.3 km
Sitia Letiště 374.7 km
Kavala/Chrisoupolis 376.6 km
Mytiléna 384.6 km
Samos Letiště 385.8 km
Kastoria Letiště 387.8 km
Gevgelija 388.7 km
Ayvalık 404.7 km
Florina 407.7 km
Çiğli Air Base 409.2 km
Kós Letiště 411.4 km
Dikili 414.2 km
Sandanski 414.4 km
İzmir Adnan Menderes (Letiště) 419.9 km
Çanakkale 422.5 km
Demir Kapija 423.4 km
Smyrna 424.3 km
Kuşadası 424.6 km
Bitola 432.7 km
Alexandrupoli Letiště 436.1 km
Berovo 436.7 km
Korçë 438.8 km
Bodrum 445.7 km
Prilep 446.5 km
Balıkesir Koca Seyit (Letiště) 447.4 km
Korfu 450.1 km
Gjirokastër 454.1 km
Saranda 456.1 km
Manisa 457.4 km
Štip 458.3 km
Karpathos 467.7 km
Milas- Bodrum (Letiště) 470.2 km
Kardžali 471.7 km
Ochrid Letiště 473.0 km
Ohrid St. Paul (Letiště) 475.5 km
Datça 476.2 km
Aydın 491.1 km
Skopje-Petrovec 501.0 km
Akhisar 510.0 km
Lazaropole 516.5 km
Kuçovë 522.2 km
Elbasan 530.3 km
Pozharane 532.7 km
Vlora 537.9 km
Balıkesir 540.6 km
Edirne 545.0 km
Peshkopi 547.1 km
Sazan 558.4 km
Yzberish 567.8 km
Tirana 569.1 km
Tekirdağ 575.1 km
Bandırma 576.7 km
Drač 594.3 km
Kırklareli 598.9 km
Çorlu 616.4 km