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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 - Hydra Distance
Elliniko Airport 64.9 km
Elefsina Airport 75.7 km
El Venizelos 79.0 km
Athens Airport 82.7 km
Tatoi Palace 87.4 km
Tanagra Airport 100.8 km
Kythira 117.7 km
Tripoli Airport 118.7 km
Milos Airport 131.4 km
Kalamata 161.9 km
Syros Airport 167.4 km
Skiathos 189.0 km
Paros Airport 189.4 km
Lamia 194.3 km
Chania Intl. Airport 198.2 km
Methoni 201.5 km
Skyros Airport 202.1 km
Nea Anchialos Airport 206.4 km
Mykonos 211.8 km
Naxos Airport 215.0 km
Naxos 215.4 km
Santorini 239.5 km
Patras Araxos Airport 241.4 km
Andravida 248.6 km
Larissa National Airport 262.4 km
Tympaki Airport 273.7 km
Heraklion Airport 280.0 km
Zakynthos Airport 288.9 km
Kastelli Airport 301.3 km
Chios Airport 315.3 km
Lemnos Airport 328.7 km
Thessaloniki Airport 330.1 km
Çeşme 331.9 km
Cephalonia Airport 338.2 km
Preveza 340.4 km
Kozani 356.9 km
Sitia Airport 364.5 km
Leros 373.2 km
Serres 381.3 km
Ioannina 382.8 km
Samos Airport 387.0 km
Mytilene 391.8 km
Kavala/Chrisoupolis 392.6 km
Kastoria Airport 401.4 km
Gevgelija 405.2 km
Kos Airport 408.8 km
Ayvalık 412.5 km
Çiğli Air Base 413.7 km
Dikili 421.0 km
Florina 422.0 km
İzmir Adnan Menderes Airport 423.4 km
Kuşadası 426.4 km
İzmir 428.3 km
Sandanski 431.4 km
Çanakkale 433.3 km
Demir Kapija 439.6 km
Bodrum 444.3 km
Bitola 447.3 km
Alexandroupolis Airport 449.3 km
Korçë 451.5 km
Berovo 453.6 km
Balıkesir Koca Seyit Airport 455.4 km
Corfu 458.8 km
Karpathos 460.8 km
Prilep 461.7 km
Manisa 461.8 km
Gjirokastër 464.4 km
Sarandë 465.6 km
Milas- Bodrum Airport 469.5 km
Datça 473.7 km
Štip 474.6 km
Ohrid Airport 486.6 km
Kardzhali 486.8 km
Ohrid St. Paul AP 489.1 km
Aydın 492.5 km
Akhisar 514.9 km
Skopje-Petrovec 516.7 km
Lazaropole 530.4 km
Kuçovë 533.6 km
Elbasan 542.8 km
Pozharane 547.2 km
Balıkesir 547.4 km
Vlorë 548.0 km
Edirne 558.0 km
Peshkopi 560.7 km
Sazan 568.2 km
Yzberish 580.0 km
Tirana 581.3 km
Bandırma 585.0 km
Tekirdağ 585.4 km
Durrës 605.9 km
Kırklareli 610.9 km
Çorlu 626.4 km