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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 - Gölbaşı Distance
Gaziantep 66.5 km
Marash Airport 76.5 km
Malatya/Erhac 79.1 km
Tulga Meydan 87.1 km
Adıyaman 95.0 km
Kilis 108.3 km
Urfa 139.5 km
Şanlıurfa GAP Airport 145.1 km
Gap Meydan 145.8 km
Osmaniye 170.0 km
İskenderun 192.7 km
Hatay Airport 194.1 km
Sivas 197.1 km
Elazığ 200.3 km
Tunceli 245.2 km
Erkilet Intl. Airport 252.6 km
Incirlik Air Base Airport 253.3 km
Tokat 253.5 km
Hama 254.0 km
Adana Şakirpaşa Airport 267.3 km
Erzincan 271.9 km
Bassel Al-Assad Intl. Airport 282.2 km
Ordu 284.8 km
Latakia Airport 286.6 km
Diyarbakır 287.8 km
Giresun 289.2 km
Safita 310.3 km
Gümüşhane 312.0 km
Amasya 323.8 km
Niğde 327.0 km
Carsamba/Samsun 331.3 km
Nevşehir 333.3 km
Mersin 343.3 km
Bingöl 344.5 km
Samsun 345.4 km
Mardin Airport 348.6 km
Nevşehir Kapadokya Airport 354.8 km
Tripoli 358.4 km
Merzifon 359.5 km
Bayburt 361.2 km
Yozgat 363.6 km
Hassakah 365.5 km
Trabzon 369.8 km
Çorum 387.9 km
Batman 389.7 km
Ereğli 397.8 km
Aksaray 400.9 km
Houche-Al-Oumara 403.5 km
Kırşehir 403.8 km
Damaskus AP 405.3 km
Qamishli 405.5 km
Rizokarpaso 410.1 km
Beirut Airport 425.6 km
Silifke 428.2 km
Rize 428.8 km
Erzurum Airport 438.1 km
Muş 442.0 km
Erzurum 447.4 km
Gialousa 448.6 km
Muş Airport 458.0 km
Trikomo 472.2 km
Famagusta 472.4 km
Lefkoniko 488.5 km
Lefkoniko 489.2 km
Karaman 492.5 km
Kırıkkale 493.4 km
Ar-Rutbah 505.9 km
Çankırı 513.8 km
Larnaca 514.4 km
Tymbou 515.8 km
Ercan Intl. Airport 515.9 km
Athalassa 525.8 km
Kyrenia 526.4 km
Hopa 527.0 km
Kastamonu 536.6 km
Karavas 537.2 km
Artvin 551.4 km
Batumi 552.4 km
Bogus Soviet 557.3 km
Anah 563.2 km
İnebolu 572.0 km