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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.


Estaciones meteorológicas cercanas - Poros Distancia
Elliniko aeropuerto 50.5 km
Eleusis Aeropuerto 58.9 km
El Venizelos 67.1 km
Atenas Aeropuerto 71.1 km
Tatoi 72.4 km
Tanagra Aeropuerto 83.9 km
Trípoli Aeropuerto 116.9 km
Citera 133.5 km
Milo Aeropuerto 140.6 km
Kalamata 165.6 km
Siros Aeropuerto 167.1 km
Scíathos 172.0 km
Lamía 180.7 km
Esciros Aeropuerto 188.4 km
Nea Anjíalos Aeropuerto 190.6 km
Paros Aeropuerto 193.0 km
Modona 206.5 km
Miconos 211.6 km
La Canea aeropuerto 214.0 km
Naxos Aeropuerto 217.7 km
Naxos 217.9 km
Patras Araxos aeropuerto 236.0 km
Andravida 245.0 km
Santorini 246.6 km
Nacional de Lárisa aeropuerto 247.1 km
Zacinto Aeropuerto 286.9 km
Tympaki aeropuerto 288.1 km
Heraclión Aeropuerto 292.5 km
Isla de Quíos Aeropuerto 310.3 km
Macedonia aeropuerto 313.3 km
Kasteli Aeropuerto 313.7 km
Lemnos Aeropuerto 315.4 km
Çeşme 327.4 km
Préveza 332.5 km
Cefalonia Aeropuerto 334.5 km
Kozani 342.3 km
Serres 364.3 km
Ioánina 372.1 km
Leros 374.3 km
Sitía Aeropuerto 374.7 km
Kavala/Chrisoupolis 376.6 km
Mitilene 384.6 km
Samos Aeropuerto 385.8 km
Kastoriá Aeropuerto 387.8 km
Gevgelija 388.7 km
Ayvalık 404.7 km
Flórina 407.7 km
Çiğli Air Base 409.2 km
Cos Aeropuerto 411.4 km
Dikili 414.2 km
Sandanski 414.4 km
Esmirna-Adnan Menderes aeropuerto 419.9 km
Çanakkale 422.5 km
Demir Kapija 423.4 km
Esmirna 424.3 km
Kuşadası 424.6 km
Bitola 432.7 km
Alejandrópolis Aeropuerto 436.1 km
Berovo 436.7 km
Korçë 438.8 km
Bodrum 445.7 km
Prilep 446.5 km
Balıkesir Koca Seyit aeropuerto 447.4 km
Corfú 450.1 km
Gjirokastra 454.1 km
Sarandë 456.1 km
Manisa 457.4 km
Štip 458.3 km
Kárpatos 467.7 km
Milas-Bodrum aeropuerto 470.2 km
Kardzhali 471.7 km
Ohrid Aeropuerto 473.0 km
Ohrid St. Paul aeropuerto 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
Vlorë 537.9 km
Balıkesir 540.6 km
Edirne 545.0 km
Peshkopi 547.1 km
Isla de 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