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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 - Arta Distance
Preveza 36.8 km
Ioannina 59.8 km
Araxos Airport 115.3 km
Cephalonia Airport 122.7 km
Corfu 129.4 km
Andravida 133.6 km
Sarandë 133.9 km
Gjirokastër 134.5 km
Kastoria Airport 136.9 km
Kozani 146.3 km
Zakynthos Airport 147.9 km
Korçë 153.0 km
Lamia 162.6 km
Larissa National Airport 164.9 km
Florina 173.6 km
Bitola 199.7 km
Nea Anchialos Airport 199.8 km
Ohrid Airport 202.1 km
Ohrid St. Paul AP 204.0 km
Kuçovë 209.8 km
Vlorë 216.7 km
Tripoli Airport 229.8 km
Elbasan 231.1 km
Prilep 233.4 km
Sazan 236.5 km
Kalamata 245.2 km
Lazaropole 248.5 km
Methoni 254.2 km
Thessaloniki International Airport "Macedonia" 259.5 km
Yzberisht 262.6 km
Tirana 263.5 km
Gevgelija 264.4 km
Peshkopi 269.5 km
Demir Kapija 271.2 km
Skiathos 278.3 km
Pozharane 279.4 km
Durrës 281.8 km
Tetovo 295.1 km
Tanagra Airport 295.3 km
Štip 298.1 km
Skopje-Petrovec 299.2 km
Santa Maria di Leuca 303.5 km
Kukës 305.5 km
Eleusis Airport 305.6 km
Tatoi Palace 328.5 km
Elliniko Airport 330.6 km
Berovo 334.3 km
Lecce 336.4 km
Shkodër 344.9 km
Serres 346.3 km
Kriva Palanka 347.1 km
El Venizelos 349.2 km
Athens Airport 352.0 km
Sandanski 352.2 km
Pristina Airport 354.4 km
Vranje 365.1 km
Kythira 372.7 km
Brindisi/Casale 373.5 km
Bar 373.6 km
Podgorica 387.0 km
Skyros Airport 388.3 km
Podgorica 392.7 km
Leskovac 409.3 km
Tivat 422.2 km
Musala 423.3 km
Grottaglie 425.1 km
Kopaonik Mountain 428.7 km
Crotone 438.2 km
Nikšić 440.4 km
Kavala/Chrisoupolis 442.0 km
Dimitrovgrad 442.8 km
Niš 443.2 km
Sjenica 443.4 km
Sofia 446.4 km
Kruševac 458.4 km
Milos Airport 462.8 km
Dubrovnik Airport 468.1 km
Syros Airport 473.6 km
Pljevlja 474.1 km
Lemnos Airport 477.5 km
Mourgash 480.2 km
Morava Airport 486.2 km
Dubrovnik 488.2 km
Ćuprija 496.6 km
Zlatibor 497.5 km
Požega 498.3 km
Paros Airport 509.5 km
Chania Intl. Airport 511.1 km
Mykonos 515.7 km
Plovdiv 516.5 km
Naxos 530.7 km
Naxos Airport 531.0 km
Vidin 538.3 km
Calafat 542.5 km
Neum 546.3 km
Kardzhali 548.5 km
Mostar 565.5 km
Bjelašnica 565.8 km
Santorini 568.0 km
Ploče 568.7 km