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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 - Koroni Distance
Methoni 28.3 km
Kalamata 30.2 km
Tripoli Airport 92.1 km
Kythira 129.4 km
Andravida 138.8 km
Patras Araxos Airport 153.3 km
Zakynthos Airport 155.4 km
Cephalonia Airport 212.6 km
Elefsina Airport 221.5 km
Lamia 222.4 km
Elliniko Airport 228.2 km
Tanagra Airport 236.3 km
Tatoi Palace 245.3 km
El Venizelos 247.8 km
Athens Airport 251.9 km
Preveza 257.4 km
Nea Anchialos Airport 267.8 km
Chania Intl. Airport 275.2 km
Milos Airport 281.5 km
Larissa National Airport 298.3 km
Skiathos 300.8 km
Ioannina 328.3 km
Syros Airport 340.8 km
Paros Airport 354.3 km
Skyros Airport 359.7 km
Tympaki Airport 359.9 km
Kozani 363.8 km
Corfu 371.5 km
Naxos Airport 381.7 km
Naxos 382.4 km
Mykonos 384.2 km
Kastoria Airport 386.6 km
Sarandë 388.2 km
Heraklion Airport 389.1 km
Santorini 389.6 km
Gjirokastër 397.1 km
Thessaloniki Airport 400.4 km
Kastelli Airport 409.4 km
Florina 418.3 km
Korçë 418.7 km
Marj 457.8 km
Vlorë 471.6 km
Kuçovë 475.9 km
Lemnos Airport 485.5 km
Sazan 487.9 km
Santa Maria di Leuca 511.3 km
Kavala/Chrisoupolis 521.0 km
Benghazi Airport 521.2 km
Tobruk 528.4 km
Lecce 555.9 km
Crotone 591.2 km
Brindisi/Casale 601.6 km
Alexandroupolis Airport 605.0 km
Grottaglie 640.0 km