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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 - Yerköy Distance
Yozgat 43.1 km
Kırşehir 53.3 km
Nevşehir Kapadokya Airport 78.1 km
Nevşehir 95.9 km
Çorum 102.0 km
Kırıkkale 105.8 km
Aksaray 121.9 km
Çankırı 129.7 km
Erkilet Intl. Airport 139.7 km
Niğde 153.5 km
Merzifon 162.4 km
Ankara/Esenboga 167.9 km
Ankara Central 177.1 km
Kastamonu 177.5 km
Amasya 182.0 km
Cihanbeyli 189.5 km
Guvercinlik 191.5 km
Etimesgut Air Base 198.5 km
Ereğli 199.8 km
Mürted Airfield Command 214.1 km
İnebolu 230.4 km
Sinop (Kap) 234.8 km
Tokat 243.6 km
Samsun 255.5 km
Adana Şakirpaşa Airport 258.4 km
Mersin 259.1 km
Konya 261.1 km
Incirlik Air Base Airport 262.1 km
Karaman 262.3 km
Sivas 272.5 km
Carsamba/Samsun 276.7 km
Osmaniye 293.3 km
Bartın 301.1 km
Silifke 303.2 km
Bolu 333.7 km
İskenderun 335.3 km
Marash Airport 336.1 km
Zonguldak 340.9 km
Zonguldak 340.9 km
Akşehir 357.8 km
Hatay Airport 358.9 km
Rizokarpaso 370.4 km
Anamur 373.6 km
Gialousa 378.9 km
Düzce 382.8 km
Gazipaşa Airport 390.5 km
Lefka 394.6 km
Alanya 394.8 km
Kilis 395.8 km
Gaziantep 396.9 km
Latakia Airport 399.7 km
Ordu 403.2 km
Trikomo 404.0 km
Lefkoniko 410.4 km
Lefkoniko 411.9 km
Kyrenia 413.9 km
Famagusta 416.5 km
Bassel Al-Assad Intl. Airport 417.6 km
Karavas 419.2 km
Malatya/Erhac 419.2 km
Tymbou 425.6 km
Ercan Intl. Airport 425.8 km
Athalassa 428.8 km
Akdeniz 432.5 km
Eskişehir Airport 432.6 km
Afyonkarahisar 436.5 km
Tulga Meydan 438.0 km
Morphou 440.3 km
Afyonkarahisar 443.5 km
Giresun 453.1 km
Xerovounos 454.7 km
Adapazarı 462.2 km
Isparta 468.2 km
Adıyaman 478.2 km
Hama 481.0 km
Zafer Havaalani 483.2 km
Suleyman Demirel 483.5 km
Antalya 487.5 km
Muratpaşa 490.7 km
Burdur 493.5 km
Urfa 529.2 km
Şanlıurfa GAP Airport 531.4 km
Gap Meydan 532.3 km
Finike 571.3 km