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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 - Polatlı Distance
Mürted Airfield Command 68.1 km
Etimesgut Air Base 71.5 km
Guvercinlik 76.8 km
Ankara Central 90.9 km
Ankara/Esenboga 109.4 km
Bolu 125.1 km
Cihanbeyli 125.2 km
Akşehir 140.1 km
Kırıkkale 156.3 km
Konya 157.5 km
Düzce 161.2 km
Eskişehir Airport 175.6 km
Zonguldak 181.7 km
Zonguldak 181.7 km
Afyonkarahisar 188.2 km
Çankırı 191.3 km
Afyonkarahisar 194.3 km
Bartın 195.9 km
Adapazarı 223.4 km
Zafer Havaalani 227.1 km
Kırşehir 229.7 km
Kütahya 239.1 km
Aksaray 240.2 km
Isparta 246.8 km
Bilecik 247.5 km
Kastamonu 249.0 km
Karaman 252.4 km
Suleyman Demirel 255.2 km
Burdur 269.9 km
Cengiz Topel Naval Air Station 277.1 km
Nevşehir Kapadokya Airport 277.3 km
Alanya 285.0 km
Ereğli 287.5 km
İnebolu 291.0 km
Yenişehir Airport 293.7 km
Yenişehir Airport 296.4 km
Yozgat 297.8 km
Nevşehir 299.3 km
Antalya 300.1 km
Muratpaşa 302.1 km
Gazipaşa Airport 310.5 km
Uşak 315.8 km
Niğde 320.4 km
Çorum 326.5 km
Yalova Airport 334.3 km
Anamur 336.2 km
Istanbul / Sabiha Gokcen 339.2 km
Bursa 346.5 km
Istanbul 355.6 km
Silifke 358.6 km
Lefka 361.0 km
Sarıyer 372.9 km
Mersin 378.9 km
Denizli 380.1 km
Kilyos 380.9 km
Erkilet Intl. Airport 381.5 km
Finike 381.6 km
Istanbul 392.9 km
Merzifon 394.6 km
Sinop (Kap) 407.7 km
Akdeniz 410.9 km
Karavas 414.6 km
Kyrenia 416.3 km
Xerovounos 418.7 km
Morphou 420.4 km
Kaş 424.0 km
Amasya 425.6 km
Adana Şakirpaşa Airport 426.0 km
Gialousa 430.6 km
Kastellorizo 436.2 km
Incirlik Air Base Airport 436.6 km
Athalassa 436.8 km
Fethiye 438.8 km
Tymbou 440.3 km
Ercan Intl. Airport 440.4 km
Lefkoniko 440.8 km
Lefkoniko 442.3 km
Trikomo 444.7 km
Rizokarpaso 447.4 km
Famagusta 460.4 km
Dalaman 461.8 km
Muğla 476.3 km
Samsun 490.0 km
Tokat 498.1 km
Osmaniye 500.4 km
Marmaris 503.5 km
Carsamba/Samsun 515.4 km
İskenderun 526.4 km
Rhodes/Paradissi 544.2 km
Hatay Airport 547.9 km
Latakia Airport 549.7 km
Mangalia 567.7 km
Marash Airport 567.9 km
Bassel Al-Assad Intl. Airport 571.4 km
Hama 656.3 km