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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 - Geraki Distance
Tripoli Airport 64.2 km
Kalamata 76.4 km
Kythira 81.5 km
Methoni 112.6 km
Elefsina Airport 144.5 km
Elliniko Airport 146.3 km
Tanagra Airport 163.6 km
El Venizelos 164.7 km
Tatoi Palace 165.6 km
Athens Airport 168.7 km
Andravida 183.9 km
Patras Araxos Airport 185.7 km
Lamia 195.1 km
Milos Airport 200.3 km
Zakynthos Airport 216.6 km
Chania Intl. Airport 219.1 km
Nea Anchialos Airport 228.1 km
Skiathos 240.6 km
Syros Airport 254.6 km
Paros Airport 270.0 km
Cephalonia Airport 270.8 km
Larissa National Airport 272.5 km
Skyros Airport 282.2 km
Preveza 292.6 km
Naxos Airport 297.1 km
Naxos 297.7 km
Mykonos 298.3 km
Tympaki Airport 303.5 km
Santorini 310.0 km
Heraklion Airport 324.3 km
Kastelli Airport 345.4 km
Ioannina 350.2 km
Kozani 355.0 km
Thessaloniki Airport 362.0 km
Kastoria Airport 389.4 km
Chios Airport 405.4 km
Lemnos Airport 409.3 km
Corfu 411.9 km
Florina 416.3 km
Sitia Airport 419.6 km
Çeşme 421.8 km
Sarandë 423.6 km
Gevgelija 427.1 km
Serres 427.3 km
Gjirokastër 427.4 km
Korçë 431.5 km
Bitola 443.5 km
Leros 456.8 km
Demir Kapija 457.1 km
Kavala/Chrisoupolis 457.9 km
Prilep 464.3 km
Sandanski 470.5 km
Ohrid Airport 472.9 km
Samos Airport 474.0 km
Ohrid St. Paul AP 475.3 km
Mytilene 481.8 km
Berovo 484.4 km
Štip 492.1 km
Ayvalık 502.3 km
Kuçovë 502.4 km
Vlorë 507.7 km
Dikili 511.1 km
Lazaropole 519.0 km
Elbasan 519.1 km
Çanakkale 519.9 km
Skopje-Petrovec 525.1 km
Sazan 526.3 km
Alexandroupolis Airport 529.8 km
Pozharane 541.2 km
Peshkopi 546.5 km
Yzberish 553.4 km
Tirana 554.5 km
Kardzhali 558.2 km
Santa Maria di Leuca 566.7 km
Durrës 574.7 km
Lecce 608.5 km
Edirne 638.8 km