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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.


Nearby Weather Stations - Nea Filadelfeia Distance
Tatoi Palace 9.5 km
Elliniko Airport 14.3 km
Eleusis Airport 20.7 km
El Venizelos 23.6 km
Athens Airport 26.2 km
Tanagra Airport 36.5 km
Skiathos 120.1 km
Skyros Airport 126.3 km
Syros Airport 147.8 km
Tripoli Airport 157.0 km
Milos Airport 159.1 km
Nea Anchialos Airport 160.1 km
Lamia 168.3 km
Paros Airport 186.4 km
Mykonos 189.9 km
Kythira 195.8 km
Naxos 205.5 km
Naxos Airport 205.9 km
Kalamata 215.3 km
Larissa National Airport 219.8 km
Santorini 250.2 km
Lemnos Airport 253.5 km
Methoni 257.7 km
Chania Intl. Airport 257.7 km
Araxos Airport 258.2 km
Thessaloniki International Airport "Macedonia" 267.8 km
Chios Airport 268.9 km
Andravida 273.0 km
Çeşme 287.0 km
Serres 309.9 km
Kavala/Chrisoupolis 314.8 km
Heraklion Airport 317.6 km
Kozani 318.2 km
Zakynthos Airport 318.6 km
Tympaki Airport 323.0 km
Mytilene 335.7 km
Kastelli Airport 338.0 km
Preveza 342.6 km
Gevgelija 347.4 km
Leros 351.9 km
Ayvalık 354.0 km
Samos Airport 355.5 km
Cephalonia Airport 360.0 km
Sandanski 362.7 km
Çanakkale 364.6 km
Dikili 366.4 km
Çiğli Air Base 367.9 km
Ioannina 368.9 km
Kastoria Airport 369.0 km
Alexandroupoli Airport 374.2 km
Adnan Menderes Airport 381.7 km
Florina 383.9 km
Demir Kapija 384.0 km
Güzelbahçe 384.3 km
Sitia Airport 387.8 km
Berovo 389.2 km
Kuşadası 391.8 km
Kos Airport 393.8 km
Balıkesir Koca Seyit Airport 395.9 km
Bitola 406.9 km
Kardzhali 408.8 km
Manisa 416.0 km
Prilep 416.0 km
Štip 418.2 km
Musala 423.5 km
Bodrum 423.5 km
Korçë 424.1 km
Plovdiv 431.3 km
Milas- Bodrum Airport 445.1 km
Gjirokastër 451.6 km
Ohrid Airport 453.0 km
Kriva Palanka 454.4 km
Corfu 455.3 km
Ohrid St. Paul AP 455.5 km
Sarandë 457.3 km
Datça 457.8 km
Aydın 458.6 km
Skopje-Petrovec 465.8 km
Karpathos 466.0 km
Akhisar 466.7 km
Sofia 472.7 km
Edirne 483.2 km
Mourgash 489.3 km
Balıkesir 492.0 km
Lazaropole 494.0 km
Vranje 505.6 km
Pozharane 506.3 km
Tetovo 511.9 km
Kuçovë 513.6 km
Elbasan 516.2 km
Tekirdağ 517.8 km
Bandırma 523.8 km
Peshkopi 526.0 km
Vlorë 535.9 km
Kırklareli 538.5 km
Leskovac 545.2 km
Sliven 548.7 km
Kukës 553.6 km
Yzberisht 555.0 km
Pristina Airport 555.9 km