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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.


Stations météo à proximité - Poros Distance
Ellinikó Aéroport 50.5 km
Éleusis Aéroport 58.9 km
El Venizelos 67.1 km
Athènes Aéroport 71.1 km
Tatoï 72.4 km
Tanagra Aéroport 83.9 km
Tripoli Aéroport 116.9 km
Cythère 133.5 km
Milos Aéroport 140.6 km
Kalamata 165.6 km
Syros Aéroport 167.1 km
Skiathos 172.0 km
Lamia 180.7 km
Skýros Aéroport 188.4 km
Néa Anchíalos Aéroport 190.6 km
Páros Aéroport 193.0 km
Methóni 206.5 km
Mykonos 211.6 km
La Canée (Aéroport) 214.0 km
Náxos Aéroport 217.7 km
Naxos 217.9 km
Aéroport d'Araxos 236.0 km
Andravída 245.0 km
Santorin 246.6 km
Base aérienne de Larissa 247.1 km
Zante Aéroport 286.9 km
Tymbáki Aéroport 288.1 km
Héraklion Aéroport 292.5 km
Chios Aéroport 310.3 km
Thessalonique-Makedonía (Aéroport) 313.3 km
Kastélli Aéroport 313.7 km
Lemnos Aéroport 315.4 km
Tchesmé 327.4 km
Préveza 332.5 km
Céphalonie Aéroport 334.5 km
Kozáni 342.3 km
Serrès 364.3 km
Ioánnina 372.1 km
Léros 374.3 km
Sitía Aéroport 374.7 km
Kavala/Chrisoupolis 376.6 km
Mytilène 384.6 km
Samos Aéroport 385.8 km
Kastoriá Aéroport 387.8 km
Gevgelija 388.7 km
Ayvalık 404.7 km
Flórina 407.7 km
Çiğli Air Base 409.2 km
Kos Aéroport 411.4 km
Dikili 414.2 km
Sandanski 414.4 km
Aéroport Adnan-Menderes 419.9 km
Çanakkale 422.5 km
Demir Kapija 423.4 km
Izmir 424.3 km
Kuşadası 424.6 km
Bitola 432.7 km
Alexandroúpoli Aéroport 436.1 km
Berovo 436.7 km
Koritza 438.8 km
Bodrum 445.7 km
Prilep 446.5 km
Balıkesir Koca Seyit (Aéroport) 447.4 km
Corfou 450.1 km
Gjirokastër 454.1 km
Saranda 456.1 km
Manisa 457.4 km
Štip 458.3 km
Kárpathos 467.7 km
Bodrum-Milas (Aéroport) 470.2 km
Kardjali 471.7 km
Ohrid Aéroport 473.0 km
Ohrid St. Paul (Aéroport) 475.5 km
Datça 476.2 km
Aydın 491.1 km
Skopje-Petrovec 501.0 km
Akhisar 510.0 km
Lazaropolé 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
Durrës 594.3 km
Kırklareli 598.9 km
Çorlu 616.4 km