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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.


Estações Meteorológicas Próximas - Poros Distância
Elliniko Airport 50.5 km
Elêusis Aeroporto 58.9 km
El Venizelos 67.1 km
Atenas Aeroporto 71.1 km
Palácio de Tatoi 72.4 km
Tânagra Aeroporto 83.9 km
Trípoli Aeroporto 116.9 km
Citera 133.5 km
Milos Aeroporto 140.6 km
Calamata 165.6 km
Siro Aeroporto 167.1 km
Escíato 172.0 km
Lâmia 180.7 km
Esquiro Aeroporto 188.4 km
Nea Anchialos Airport 190.6 km
Paros Aeroporto 193.0 km
Modon 206.5 km
Míconos 211.6 km
Chania Intl. Airport 214.0 km
Naxos Aeroporto 217.7 km
Naxos 217.9 km
Patras Araxos Airport 236.0 km
Andravida 245.0 km
Santorini 246.6 km
Larissa National Airport 247.1 km
Zacinto Aeroporto 286.9 km
Tympaki Airport 288.1 km
Heraclião Aeroporto 292.5 km
Quios Aeroporto 310.3 km
Aeroporto de Salonica-Macedónia 313.3 km
Castéli Aeroporto 313.7 km
Lemnos Aeroporto 315.4 km
Çeşme 327.4 km
Preveza 332.5 km
Cefalônia Aeroporto 334.5 km
Cozani 342.3 km
Serres 364.3 km
Janina 372.1 km
Leros 374.3 km
Siteía Aeroporto 374.7 km
Kavala/Chrisoupolis 376.6 km
Mitilene 384.6 km
Samos Aeroporto 385.8 km
Castória Aeroporto 387.8 km
Gevgelija 388.7 km
Ayvalık 404.7 km
Florina 407.7 km
Çiğli Air Base 409.2 km
Cós Aeroporto 411.4 km
Dikili 414.2 km
Sandanski 414.4 km
Aeroporto de Esmirna-Adnan Menderes 419.9 km
Çanakkale 422.5 km
Demir Kapija 423.4 km
Esmirna 424.3 km
Kuşadası 424.6 km
Bitola 432.7 km
Alexandrópolis Aeroporto 436.1 km
Berovo 436.7 km
Korçë 438.8 km
Bodrum 445.7 km
Prilepo 446.5 km
Balıkesir Koca Seyit Airport 447.4 km
Corfu 450.1 km
Gjirokastër 454.1 km
Sarandë 456.1 km
Manisa 457.4 km
Štip 458.3 km
Cárpatos 467.7 km
Milas- Bodrum Airport 470.2 km
Kardzhali 471.7 km
Ocrida Aeroporto 473.0 km
Ohrid St. Paul Airport 475.5 km
Datça 476.2 km
Aidim 491.1 km
Skopje-Petrovec 501.0 km
Akhisar 510.0 km
Lazaropole 516.5 km
Kuçovë 522.2 km
Elbasani 530.3 km
Pozharane 532.7 km
Vlorë 537.9 km
Baliquesir 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
Durrës 594.3 km
Kırklareli 598.9 km
Çorlu 616.4 km