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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 - Karasu Distance
Adapazarı 47.5 km
Düzce 49.8 km
Bolu 98.3 km
Cengiz Topel Naval Air Station 98.7 km
Zonguldak 120.7 km
Zonguldak 120.7 km
Eskişehir Airport 124.9 km
Bilecik 125.2 km
Yenişehir Airport 155.1 km
Yenişehir Airport 159.0 km
Istanbul / Sabiha Gokcen 163.1 km
Yalova Airport 169.6 km
Istanbul 179.9 km
Kütahya 180.5 km
Bartın 182.5 km
Sarıyer 189.4 km
Kilyos 193.8 km
Zafer Havaalani 200.4 km
Bursa 207.5 km
Istanbul 217.3 km
Mürted Airfield Command 221.1 km
Afyonkarahisar 223.4 km
Afyonkarahisar 224.1 km
Etimesgut Air Base 238.7 km
Guvercinlik 245.5 km
Ankara Central 258.2 km
Ankara/Esenboga 264.3 km
Akşehir 268.9 km
Uşak 275.4 km
Suleyman Demirel 310.9 km
Çorlu 317.3 km
Isparta 318.5 km
Bandırma 320.1 km
Çankırı 320.3 km
Kırıkkale 327.3 km
Burdur 329.5 km
Cihanbeyli 333.6 km
Kastamonu 337.0 km
İnebolu 346.7 km
Balıkesir 347.1 km
Konya 354.5 km
Tekirdağ 358.2 km
Mangalia 359.9 km
Denizli 368.0 km
Varna 376.1 km
Constanța 385.1 km
Akhisar 385.9 km
Varna Airport 389.1 km
Burgas Airport 390.4 km
Sfântu Gheorghe 390.9 km
Burgas 391.2 km
Kırklareli 398.6 km
Gura Portitei 401.2 km
Mihail Kogălniceanu Airport 407.4 km
Sulina 410.7 km
Umirea 414.6 km
Medgidia 416.0 km
Kırşehir 419.1 km
Adamclisi 427.9 km
Mahmudia 431.2 km
Maliuc 435.0 km
Cernavodă 439.3 km
Manisa 441.0 km
Balıkesir Koca Seyit Airport 443.0 km
Aksaray 444.0 km
Casimcea 446.0 km
Tulcea 448.8 km
Aydın 450.4 km
Karaman 455.6 km
Feteşti 456.0 km
Muğla 458.6 km
Yozgat 464.0 km
Çorum 468.2 km
Hârşova 470.1 km
Edirne 471.2 km
Nevşehir Kapadokya Airport 471.3 km
Chornomorske 473.0 km
Dikili 473.5 km
İzmir 475.7 km
Ayvalık 484.4 km
İzmir Adnan Menderes Airport 484.8 km
Çiğli Air Base 486.6 km
Călăraşi 488.9 km
Nevşehir 494.5 km
Çanakkale 494.6 km
Ereğli 495.9 km
Kuşadası 500.2 km
Mytilene 503.2 km
Slobozia 506.7 km
Milas- Bodrum Airport 507.7 km
Chiscani 511.6 km
Simferopol Airport 516.9 km
Sliven 519.5 km
Niğde 523.7 km
Galați 525.3 km
Grivita 526.5 km
Razgrad 534.0 km
Bodrum 538.7 km
Samos Airport 540.8 km
Oltenița 545.4 km

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