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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 - Kifissia Distance
Tatoi Palace 5.6 km
El Venizelos 18.9 km
Athens Airport 20.1 km
Elliniko Airport 20.3 km
Elefsina Airport 29.7 km
Tanagra Airport 40.6 km
Skyros Airport 117.7 km
Skiathos 119.2 km
Syros Airport 140.8 km
Milos Airport 157.4 km
Nea Anchialos Airport 163.8 km
Tripoli Airport 166.9 km
Lamia 174.6 km
Paros Airport 180.7 km
Mykonos 182.3 km
Naxos 198.9 km
Naxos Airport 199.4 km
Kythira 202.8 km
Larissa National Airport 223.6 km
Kalamata 225.1 km
Lemnos Airport 244.9 km
Santorini 245.5 km
Chios Airport 259.3 km
Chania Intl. Airport 259.5 km
Patras Araxos Airport 267.3 km
Methoni 267.5 km
Thessaloniki Airport 267.6 km
Çeşme 277.4 km
Andravida 282.4 km
Serres 307.1 km
Kavala/Chrisoupolis 308.7 km
Heraklion Airport 315.9 km
Kozani 322.1 km
Tympaki Airport 322.9 km
Mytilene 325.8 km
Zakynthos Airport 328.2 km
Kastelli Airport 336.1 km
Leros 343.8 km
Ayvalık 344.1 km
Samos Airport 346.6 km
Gevgelija 347.9 km
Preveza 350.6 km
Çanakkale 355.1 km
Dikili 356.6 km
Çiğli Air Base 358.3 km
Sandanski 360.7 km
Alexandroupolis Airport 365.6 km
Cephalonia Airport 369.2 km
İzmir Adnan Menderes Airport 372.2 km
Kastoria Airport 373.6 km
İzmir 374.7 km
Ioannina 375.6 km
Kuşadası 382.7 km
Sitia Airport 384.0 km
Demir Kapija 384.9 km
Kos Airport 386.0 km
Balıkesir Koca Seyit Airport 386.1 km
Florina 387.7 km
Berovo 388.3 km
Kardzhali 401.6 km
Manisa 406.4 km
Bitola 410.3 km
Bodrum 415.3 km
Prilep 418.6 km
Štip 418.9 km
Musala 420.4 km
Plovdiv 425.5 km
Korçë 429.2 km
Milas- Bodrum Airport 436.6 km
Aydın 449.5 km
Datça 449.9 km
Kriva Palanka 454.3 km
Akhisar 457.0 km
Ohrid Airport 457.2 km
Gjirokastër 458.2 km
Ohrid St. Paul AP 459.8 km
Karpathos 460.1 km
Corfu 462.7 km
Sarandë 464.3 km
Skopje-Petrovec 467.4 km
Sofia 470.0 km
Edirne 474.5 km
Balıkesir 482.1 km
Mourgash 486.0 km
Lazaropole 497.9 km
Vranje 506.1 km
Tekirdağ 508.2 km
Pozharane 509.4 km
Bandırma 514.0 km
Tetovo 514.7 km
Kuçovë 519.4 km
Elbasan 521.2 km
Kırklareli 529.4 km
Peshkopi 530.0 km
Sliven 540.9 km
Vlorë 542.5 km
Leskovac 545.3 km
Çorlu 550.1 km
Kukës 557.2 km
Pristina Airport 558.0 km