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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 Ionia Distance
Tatoi Palace 8.6 km
Elliniko Airport 14.5 km
El Venizelos 22.0 km
Eleusis Airport 22.5 km
Athens Airport 24.5 km
Tanagra Airport 37.6 km
Skiathos 120.5 km
Skyros Airport 125.1 km
Syros Airport 146.1 km
Milos Airport 158.2 km
Tripoli Airport 158.8 km
Nea Anchialos Airport 161.3 km
Lamia 169.9 km
Paros Airport 184.9 km
Mykonos 188.2 km
Kythira 196.6 km
Naxos 203.8 km
Naxos Airport 204.3 km
Kalamata 216.9 km
Larissa National Airport 221.1 km
Santorini 248.8 km
Lemnos Airport 252.3 km
Chania Intl. Airport 257.4 km
Methoni 259.3 km
Araxos Airport 260.0 km
Chios Airport 267.0 km
Thessaloniki International Airport "Macedonia" 268.3 km
Andravida 274.9 km
Çeşme 285.1 km
Serres 310.0 km
Kavala/Chrisoupolis 314.2 km
Heraklion Airport 316.7 km
Kozani 319.5 km
Zakynthos Airport 320.4 km
Tympaki Airport 322.3 km
Mytilene 333.9 km
Kastelli Airport 337.0 km
Preveza 344.3 km
Gevgelija 348.1 km
Leros 350.1 km
Ayvalık 352.3 km
Samos Airport 353.6 km
Cephalonia Airport 361.9 km
Sandanski 363.0 km
Çanakkale 363.1 km
Dikili 364.7 km
Çiğli Air Base 366.1 km
Kastoria Airport 370.3 km
Ioannina 370.6 km
Alexandroupoli Airport 373.0 km
Adnan Menderes Airport 379.9 km
Güzelbahçe 382.5 km
Demir Kapija 384.8 km
Florina 385.1 km
Sitia Airport 386.5 km
Berovo 389.7 km
Kuşadası 390.0 km
Kos Airport 392.0 km
Balıkesir Koca Seyit Airport 394.2 km
Kardzhali 408.0 km
Bitola 408.1 km
Manisa 414.2 km
Prilep 417.1 km
Štip 418.9 km
Bodrum 421.7 km
Musala 423.5 km
Korçë 425.6 km
Plovdiv 430.7 km
Milas- Bodrum Airport 443.3 km
Gjirokastër 453.2 km
Ohrid Airport 454.3 km
Kriva Palanka 455.0 km
Datça 456.0 km
Aydın 456.8 km
Ohrid St. Paul AP 456.8 km
Corfu 457.0 km
Sarandë 459.0 km
Karpathos 464.4 km
Akhisar 464.9 km
Skopje-Petrovec 466.7 km
Sofia 472.8 km
Edirne 482.0 km
Mourgash 489.3 km
Balıkesir 490.2 km
Lazaropole 495.3 km
Vranje 506.3 km
Pozharane 507.4 km
Tetovo 513.0 km
Kuçovë 515.1 km
Tekirdağ 516.3 km
Elbasan 517.6 km
Bandırma 522.1 km
Peshkopi 527.2 km
Kırklareli 537.1 km
Vlorë 537.6 km
Leskovac 545.8 km
Sliven 547.7 km
Kukës 554.8 km
Yzberisht 556.5 km
Pristina Airport 556.9 km