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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.


Stations météo à proximité - Káto Vlasía Distance
Aéroport d'Araxos 57.8 km
Andravída 71.0 km
Tripoli Aéroport 72.2 km
Kalamata 97.0 km
Lamia 107.2 km
Zante Aéroport 117.9 km
Methóni 123.0 km
Céphalonie Aéroport 158.2 km
Néa Anchíalos Aéroport 159.1 km
Préveza 159.4 km
Base aérienne de Larissa 177.3 km
Éleusis Aéroport 182.0 km
Tanagra Aéroport 182.9 km
Ellinikó Aéroport 201.7 km
Tatoï 208.2 km
Skiathos 214.1 km
Cythère 214.9 km
Ioánnina 215.7 km
El Venizelos 222.8 km
Athènes Aéroport 226.5 km
Kozáni 238.1 km
Kastoriá Aéroport 263.2 km
Corfou 279.0 km
Thessalonique-Makedonía (Aéroport) 284.1 km
Saranda 289.3 km
Gjirokastër 292.5 km
Flórina 293.6 km
Koritza 300.0 km
Skýros Aéroport 302.4 km
Milos Aéroport 314.7 km
Bitola 321.5 km
Gevgelija 331.1 km
Syros Aéroport 342.3 km
Ohrid Aéroport 343.9 km
Ohrid St. Paul (Aéroport) 346.2 km
Prilep 346.9 km
La Canée (Aéroport) 353.3 km
Demir Kapija 354.4 km
Serrès 364.5 km
Kuçovë 367.6 km
Páros Aéroport 371.2 km
Vlora 373.3 km
Elbasan 385.7 km
Mykonos 386.5 km
Štip 388.0 km
Lazaropolé 390.7 km
Sazan 392.2 km
Sandanski 394.6 km
Náxos Aéroport 395.5 km
Naxos 395.5 km
Berovo 396.4 km
Skopje-Petrovec 411.1 km
Pozharane 415.8 km
Peshkopi 416.5 km
Lemnos Aéroport 417.8 km
Yzberish 419.2 km
Tirana 420.3 km
Santorin 423.4 km
Kavala/Chrisoupolis 427.0 km
Tetovo 428.3 km
Kriva Palanka 435.6 km
Tymbáki Aéroport 437.2 km
Durrës 439.9 km
Santa Maria di Leuca 440.6 km
Kukës 450.7 km
Héraklion Aéroport 454.2 km
Moussala 467.8 km
Vranje 469.9 km
Kastélli Aéroport 475.5 km
Lecce 479.9 km
Pristina Aéroport 484.2 km
Scutari 500.6 km
Sofia 504.8 km
Leskovac 514.6 km
Brindisi/Casale 521.4 km
Plovdiv 527.2 km
Bar 531.2 km
Alexandroúpoli Aéroport 531.3 km
Mourgash 532.9 km
Kardjali 534.8 km
Podgorica 543.3 km
Podgorica 548.6 km
Crotone 550.0 km
Grottaglie 567.8 km
Tivat 580.0 km
Nikšić 596.8 km
Dubrovnik (Aéroport) 626.3 km
Dubrovnik 646.4 km
Neum 704.3 km