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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 - Gemlik Distance
Bursa 24.5 km
Yalova Airport 28.5 km
Yenişehir Airport 46.2 km
Istanbul 48.1 km
Yenişehir Airport 48.5 km
Istanbul / Sabiha Gokcen 50.1 km
Istanbul 65.2 km
Sarıyer 70.3 km
Kilyos 82.1 km
Cengiz Topel Naval Air Station 93.4 km
Bilecik 94.5 km
Bandırma 132.1 km
Kütahya 134.5 km
Adapazarı 145.4 km
Çorlu 154.1 km
Balıkesir 158.0 km
Zafer Havaalani 166.7 km
Eskişehir Airport 169.1 km
Uşak 170.6 km
Tekirdağ 186.6 km
Akhisar 206.1 km
Afyonkarahisar 222.7 km
Düzce 228.0 km
Afyonkarahisar 229.0 km
Kırklareli 249.4 km
Balıkesir Koca Seyit Airport 252.4 km
Denizli 256.2 km
Manisa 260.1 km
Bolu 274.7 km
Burgas 275.9 km
Burgas Airport 278.6 km
Suleyman Demirel 282.2 km
Dikili 284.3 km
Aydın 289.8 km
Ayvalık 294.0 km
İzmir 294.3 km
Burdur 296.6 km
Isparta 300.9 km
Çiğli Air Base 302.8 km
Varna 304.1 km
İzmir Adnan Menderes Airport 305.1 km
Çanakkale 307.4 km
Zonguldak 311.2 km
Zonguldak 311.2 km
Varna Airport 312.4 km
Edirne 312.8 km
Mytilene 313.4 km
Akşehir 321.1 km
Muğla 324.2 km
Kuşadası 327.6 km
Mangalia 337.2 km
Milas- Bodrum Airport 352.7 km
Marmaris 361.8 km
Alexandroupolis Airport 362.5 km
Dalaman 362.9 km
Samos Airport 365.9 km
Fethiye 369.5 km
Bartın 373.0 km
Constanța 374.3 km
Çeşme 379.7 km
Bodrum 381.3 km
Mürted Airfield Command 381.6 km
Adamclisi 382.4 km
Muratpaşa 383.5 km
Antalya 385.1 km
Sliven 385.5 km
Medgidia 386.8 km
Mihail Kogălniceanu Airport 391.8 km
Chios Airport 393.6 km
Etimesgut Air Base 396.4 km
Datça 399.6 km
Cernavodă 403.2 km
Guvercinlik 403.4 km
Rhodes/Paradissi 410.1 km
Leros 411.6 km
Feteşti 412.6 km
Kaş 412.7 km
Finike 413.5 km
Gura Portitei 416.1 km
Ankara Central 418.0 km
Kastellorizo 419.7 km
Călăraşi 422.5 km
Kos Airport 422.6 km
Umirea 424.5 km
Razgrad 428.0 km
Ankara/Esenboga 429.5 km
Casimcea 430.9 km
Sfântu Gheorghe 437.5 km
Hârşova 438.3 km
Kardzhali 438.5 km
Lemnos Airport 438.8 km
Konya 445.0 km
Slobozia 450.6 km
Cihanbeyli 455.3 km
Oltenița 455.8 km
Gorna Oryahovitsa Airport 468.4 km
Grivita 471.7 km
Alanya 487.8 km
Kırıkkale 489.3 km
Giurgiu 494.7 km