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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 - Astros Distance
Tripoli Airport 37.8 km
Kalamata 85.1 km
Elefsina Airport 115.2 km
Kythira 119.3 km
Elliniko Airport 123.2 km
Methoni 127.4 km
Tanagra Airport 130.7 km
Tatoi Palace 139.2 km
El Venizelos 143.6 km
Athens Airport 147.7 km
Lamia 154.9 km
Patras Araxos Airport 164.1 km
Andravida 168.2 km
Nea Anchialos Airport 187.0 km
Skiathos 202.3 km
Zakynthos Airport 207.3 km
Milos Airport 208.7 km
Larissa National Airport 232.0 km
Chania Intl. Airport 247.5 km
Syros Airport 248.7 km
Skyros Airport 253.4 km
Cephalonia Airport 257.7 km
Preveza 267.8 km
Paros Airport 271.1 km
Mykonos 293.2 km
Naxos Airport 296.9 km
Naxos 297.3 km
Kozani 316.3 km
Santorini 318.5 km
Ioannina 319.5 km
Thessaloniki Airport 320.9 km
Tympaki Airport 330.2 km
Heraklion Airport 345.8 km
Kastoria Airport 352.9 km
Kastelli Airport 367.2 km
Florina 378.6 km
Lemnos Airport 379.5 km
Gevgelija 386.1 km
Serres 387.1 km
Corfu 387.3 km
Chios Airport 391.9 km
Sarandë 396.9 km
Korçë 397.1 km
Gjirokastër 398.7 km
Bitola 405.5 km
Çeşme 409.2 km
Demir Kapija 416.4 km
Kavala/Chrisoupolis 421.2 km
Prilep 425.3 km
Sandanski 429.6 km
Sitia Airport 437.0 km
Ohrid Airport 437.1 km
Ohrid St. Paul AP 439.5 km
Berovo 443.3 km
Štip 451.4 km
Leros 455.1 km
Mytilene 464.0 km
Samos Airport 467.9 km
Kuçovë 471.8 km
Vlorë 480.6 km
Lazaropole 482.8 km
Ayvalık 483.2 km
Skopje-Petrovec 485.4 km
Elbasan 486.1 km
Dikili 494.2 km
Çanakkale 494.6 km
Alexandroupolis Airport 499.3 km
Sazan 499.8 km
Pozharane 503.9 km
Peshkopi 511.0 km
Yzberish 521.4 km
Tirana 522.6 km
Kardzhali 523.1 km
Durrës 544.3 km
Santa Maria di Leuca 548.0 km
Lecce 588.0 km
Edirne 608.2 km