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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 - Katerini Distance
Thessaloniki International Airport "Macedonia" 57.9 km
Larissa National Airport 65.8 km
Kozani 79.9 km
Gevgelija 90.8 km
Nea Anchialos Airport 112.4 km
Demir Kapija 121.6 km
Florina 133.6 km
Kastoria Airport 136.8 km
Lamia 143.2 km
Serres 144.3 km
Bitola 149.9 km
Prilep 151.4 km
Berovo 153.9 km
Štip 156.7 km
Sandanski 156.9 km
Skiathos 157.2 km
Korçë 196.3 km
Ioannina 198.1 km
Skopje-Petrovec 199.3 km
Kriva Palanka 199.8 km
Ohrid Airport 206.3 km
Ohrid St. Paul AP 208.7 km
Musala 230.4 km
Tanagra Airport 230.5 km
Preveza 238.2 km
Lazaropole 239.4 km
Vranje 244.1 km
Pozharane 244.7 km
Kavala/Chrisoupolis 244.9 km
Tetovo 247.9 km
Araxos Airport 249.6 km
Eleusis Airport 253.9 km
Skyros Airport 257.6 km
Gjirokastër 262.3 km
Tatoi Palace 263.1 km
Sofia 263.4 km
Peshkopi 272.9 km
Andravida 278.0 km
Elliniko Airport 278.7 km
Elbasan 280.3 km
Sarandë 281.2 km
Tripoli Airport 281.4 km
Dimitrovgrad 283.9 km
Leskovac 286.6 km
El Venizelos 287.5 km
Athens Airport 288.1 km
Pristina Airport 289.3 km
Mourgash 293.2 km
Kuçovë 294.7 km
Corfu 295.4 km
Kukës 295.4 km
Lemnos Airport 306.4 km
Plovdiv 314.6 km
Cephalonia Airport 314.9 km
Zakynthos Airport 316.5 km
Yzberisht 320.3 km
Tirana 322.1 km
Niš 323.0 km
Kalamata 334.0 km
Vlorë 336.5 km
Kardzhali 348.8 km
Durrës 356.1 km
Sazan 358.9 km
Kruševac 364.0 km
Kopaonik Mountain 365.0 km
Methoni 365.1 km
Shkodër 381.1 km
Lovech 382.6 km
Vidin 383.7 km
Alexandroupoli Airport 384.9 km
Calafat 385.0 km
Bechet 394.6 km
Syros Airport 395.9 km
Băileşti 396.7 km
Ćuprija 398.5 km
Crni Vrh Mountain 401.4 km
Negotin 407.9 km
Kythira 412.9 km
Sjenica 418.8 km
Podgorica 422.6 km
Podgorica 424.8 km
Morava Airport 424.9 km
Bar 425.5 km
Milos Airport 425.8 km
Kragujevac 426.8 km
Mykonos 428.7 km
Çanakkale 434.4 km
Bâcleş 437.3 km
Craiova 441.5 km
Paros Airport 441.9 km
Caracal 442.7 km
Turnu Măgurele 443.2 km
Drobeta-Turnu Severin 448.4 km
Chios Airport 449.5 km
Naxos 453.8 km
Naxos Airport 454.9 km
Smederevska Palanka 457.7 km
Požega 460.7 km
Gorna Oryahovitsa Airport 462.4 km
Santa Maria di Leuca 465.3 km