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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.


Estaciones meteorológicas cercanas - Megalópolis Distancia
Trípoli Aeropuerto 32.7 km
Kalamata 36.8 km
Modona 75.8 km
Andravida 108.7 km
Patras Araxos aeropuerto 111.2 km
Zacinto Aeropuerto 143.8 km
Citera 151.1 km
Lamía 155.8 km
Eleusis Aeropuerto 171.9 km
Tanagra Aeropuerto 182.0 km
Elliniko aeropuerto 184.4 km
Cefalonia Aeropuerto 196.4 km
Tatoi 197.6 km
Nea Anjíalos Aeropuerto 201.1 km
El Venizelos 205.5 km
Atenas Aeropuerto 209.5 km
Préveza 218.7 km
Nacional de Lárisa aeropuerto 232.2 km
Scíathos 238.0 km
Milo Aeropuerto 270.7 km
Ioánina 280.7 km
La Canea aeropuerto 293.6 km
Kozani 301.9 km
Esciros Aeropuerto 306.7 km
Siros Aeropuerto 313.6 km
Kastoriá Aeropuerto 329.3 km
Macedonia aeropuerto 333.6 km
Paros Aeropuerto 335.4 km
Corfú 337.5 km
Sarandë 350.4 km
Gjirokastra 355.5 km
Miconos 358.1 km
Flórina 359.2 km
Naxos Aeropuerto 361.5 km
Naxos 361.9 km
Korçë 366.3 km
Tympaki aeropuerto 378.4 km
Santorini 380.8 km
Bitola 386.9 km
Gevgelija 388.3 km
Heraclión Aeropuerto 399.6 km
Serres 408.6 km
Ohrid Aeropuerto 410.3 km
Prilep 411.3 km
Ohrid St. Paul aeropuerto 412.6 km
Demir Kapija 414.2 km
Kasteli Aeropuerto 420.7 km
Lemnos Aeropuerto 430.0 km
Kuçovë 432.0 km
Vlorë 434.5 km
Sandanski 444.4 km
Štip 448.5 km
Berovo 451.1 km
Elbasan 451.4 km
Isla de Sazan 452.6 km
Isla de Quíos Aeropuerto 455.3 km
Lazaropole 457.1 km
Kavala/Chrisoupolis 457.7 km
Çeşme 472.7 km
Skopje-Petrovec 474.7 km
Pozharane 482.0 km
Peshkopi 482.9 km
Yzberish 484.4 km
Tirana 485.4 km
Santa María de Leuca 491.4 km
Sitía Aeropuerto 494.3 km
Durrës 503.9 km
Leros 520.0 km
Mitilene 525.1 km
Samos Aeropuerto 532.7 km
Lecce 533.2 km
Ayvalık 543.6 km
Alejandrópolis Aeropuerto 548.0 km
Çanakkale 550.0 km
Dikili 555.8 km
Kardzhali 563.0 km
Edirne 656.2 km