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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 - Kaisariani Distance
Elliniko Airport 7.9 km
Tatoi Palace 15.0 km
El Venizelos 19.2 km
Athens Airport 22.5 km
Elefsina Airport 24.5 km
Tanagra Airport 43.1 km
Skiathos 127.2 km
Skyros Airport 130.3 km
Syros Airport 143.5 km
Milos Airport 152.4 km
Tripoli Airport 156.7 km
Nea Anchialos Airport 166.5 km
Lamia 173.4 km
Paros Airport 181.2 km
Mykonos 186.1 km
Kythira 190.4 km
Naxos 200.8 km
Naxos Airport 201.2 km
Kalamata 213.9 km
Larissa National Airport 226.2 km
Santorini 244.4 km
Chania Intl. Airport 250.7 km
Methoni 256.2 km
Lemnos Airport 257.5 km
Patras Araxos Airport 260.4 km
Chios Airport 267.9 km
Andravida 274.6 km
Thessaloniki Airport 274.8 km
Çeşme 285.8 km
Heraklion Airport 310.9 km
Tympaki Airport 316.0 km
Serres 316.7 km
Zakynthos Airport 319.9 km
Kavala/Chrisoupolis 320.6 km
Kozani 324.5 km
Kastelli Airport 331.3 km
Mytilene 336.1 km
Preveza 346.2 km
Leros 348.6 km
Samos Airport 353.1 km
Gevgelija 354.3 km
Ayvalık 354.8 km
Cephalonia Airport 362.1 km
Dikili 366.6 km
Çiğli Air Base 367.0 km
Çanakkale 367.1 km
Sandanski 369.7 km
Ioannina 373.8 km
Kastoria Airport 375.0 km
Alexandroupolis Airport 378.2 km
İzmir Adnan Menderes Airport 380.4 km
Sitia Airport 381.6 km
İzmir 383.2 km
Kuşadası 389.7 km
Kos Airport 389.9 km
Florina 390.2 km
Demir Kapija 391.0 km
Berovo 396.3 km
Balıkesir Koca Seyit Airport 396.9 km
Bitola 413.3 km
Kardzhali 414.1 km
Manisa 415.2 km
Bodrum 420.2 km
Prilep 422.7 km
Štip 425.2 km
Korçë 429.9 km
Milas- Bodrum Airport 442.2 km
Datça 454.1 km
Gjirokastër 456.4 km
Aydın 456.6 km
Ohrid Airport 459.1 km
Corfu 459.5 km
Karpathos 460.8 km
Ohrid St. Paul AP 461.6 km
Sarandë 461.9 km
Akhisar 466.2 km
Skopje-Petrovec 472.6 km
Edirne 487.1 km
Balıkesir 492.4 km
Lazaropole 500.3 km
Pozharane 512.7 km
Kuçovë 519.0 km
Tekirdağ 520.1 km
Elbasan 521.9 km
Bandırma 525.1 km
Peshkopi 532.2 km
Vlorë 540.8 km
Kırklareli 541.8 km
Yzberish 560.7 km
Çorlu 561.9 km
Sazan 562.2 km
Tirana 562.2 km
Durrës 590.0 km