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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 - Düzce Distance
Düzce 2.4 km
Bolu 51.0 km
Adapazarı 81.7 km
Zonguldak 94.1 km
Zonguldak 94.1 km
Eskişehir Airport 118.2 km
Cengiz Topel Naval Air Station 139.2 km
Bilecik 146.4 km
Bartın 152.7 km
Mürted Airfield Command 172.4 km
Yenişehir Airport 184.8 km
Kütahya 186.2 km
Yenişehir Airport 188.5 km
Etimesgut Air Base 189.9 km
Guvercinlik 196.7 km
Zafer Havaalani 198.7 km
Istanbul / Sabiha Gokcen 205.1 km
Afyonkarahisar 208.2 km
Yalova Airport 208.3 km
Afyonkarahisar 209.1 km
Ankara Central 209.6 km
Ankara/Esenboga 216.3 km
Istanbul 222.2 km
Sarıyer 233.9 km
Akşehir 236.5 km
Kilyos 239.3 km
Bursa 239.8 km
Istanbul 260.1 km
Çankırı 275.3 km
Kırıkkale 279.1 km
Uşak 282.9 km
Cihanbeyli 286.2 km
Suleyman Demirel 296.3 km
Kastamonu 297.7 km
Isparta 300.6 km
Konya 311.3 km
İnebolu 312.9 km
Burdur 314.8 km
Bandırma 357.7 km
Çorlu 361.2 km
Kırşehir 370.3 km
Denizli 371.8 km
Balıkesir 378.2 km
Antalya 380.0 km
Muratpaşa 380.5 km
Aksaray 395.3 km
Tekirdağ 401.1 km
Mangalia 406.4 km
Akhisar 410.9 km
Karaman 411.1 km
Alanya 415.5 km
Yozgat 416.9 km
Nevşehir Kapadokya Airport 422.5 km
Çorum 423.7 km
Varna 424.8 km
Sfântu Gheorghe 428.2 km
Constanța 430.3 km
Varna Airport 437.9 km
Burgas Airport 439.0 km
Burgas 439.6 km
Gura Portitei 443.3 km
Kırklareli 445.0 km
Nevşehir 445.7 km
Finike 446.6 km
Ereğli 448.2 km
Gazipaşa Airport 449.1 km
Mihail Kogălniceanu Airport 452.8 km
Umirea 457.1 km
Sinop (Kap) 461.3 km
Medgidia 462.4 km
Fethiye 463.3 km
Manisa 465.6 km
Muğla 465.8 km
Aydın 466.4 km
Kaş 473.6 km
Dalaman 474.8 km
Niğde 475.0 km
Adamclisi 475.4 km
Balıkesir Koca Seyit Airport 476.5 km
Anamur 484.5 km
Kastellorizo 484.6 km
Cernavodă 486.0 km
Merzifon 486.5 km
Casimcea 490.9 km
Marmaris 500.0 km
İzmir 500.3 km
Feteşti 503.2 km
Simferopol Airport 505.8 km
İzmir Adnan Menderes Airport 508.2 km
Çiğli Air Base 512.4 km
Hârşova 516.3 km
Silifke 519.0 km
Erkilet Intl. Airport 519.8 km
Kuşadası 520.2 km
Milas- Bodrum Airport 520.6 km
Amasya 523.4 km
Călăraşi 537.1 km
Mersin 539.6 km
Rhodes/Paradissi 546.9 km
Bodrum 552.1 km

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