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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.


Stations météo à proximité - Viranşehir Distance
Diyarbakır 75.8 km
Gap Meydan 96.4 km
Şanlıurfa GAP (Aéroport) 97.1 km
Mardin Aéroport 109.2 km
Şanlıurfa 109.7 km
Hassakah 126.9 km
Elâzığ 129.8 km
Adıyaman 149.3 km
Batman 162.3 km
Qamichli 163.9 km
Tunceli 164.4 km
Bingöl 168.4 km
Tulga Meydan 193.6 km
Malatya/Erhac 212.4 km
Erzincan 215.7 km
Muş 234.7 km
Muş Aéroport 248.9 km
Siirt 251.9 km
Rabiah 263.9 km
Bayburt 264.4 km
Gaziantep 265.6 km
Gümüşhane 279.9 km
Erzurum Aéroport 280.8 km
Erzurum 284.1 km
Kilis 296.4 km
Tall Afar 312.5 km
Kahramanmaraş Aéroport 312.6 km
Trabzon 323.3 km
Zakho 330.3 km
Rize 335.8 km
Anah 342.8 km
Giresun 354.1 km
Ar-Rutbah 361.5 km
Dohuk 363.0 km
Hama 381.1 km
Mossoul 385.9 km
Altınordu 386.1 km
Haditha 388.2 km
Sivas 389.7 km
Aéroport d'Antioche 393.2 km
Osmaniye 398.9 km
Hopa 400.1 km
Alexandrette 402.7 km
Artvin 405.8 km
Van 412.7 km
Ağrı (Aéroport) 417.6 km
Ağrı 423.2 km
Batoumi 424.2 km
Bogus Soviet 428.8 km
Tokat 445.4 km
Hakkari 448.1 km
Lattaquié (Aéroport) 453.9 km
Safita 454.4 km
Aqra 461.7 km
Ardahan 462.8 km
Baïji 463.1 km
Kars 466.9 km
Lattaquié Aéroport 467.5 km
Incirlik Air Base Aéroport 481.7 km
Damas (Aéroport) 490.1 km
Kayseri-Erkilet (Aéroport) 493.0 km
Aéroport international d'Adana-Sakirpasa 495.8 km
Carsamba/Samsun 501.4 km
Tripoli 502.5 km
Ramadi 506.0 km
Akhaltsikhé 518.1 km
Armavir 521.8 km
Samsun 524.0 km
Houche-Al-Oumara 527.1 km
Amasya 528.7 km
Heet 535.4 km
Amasia 542.3 km
Aéroport international Shirak 547.8 km
Ashotsk 557.6 km
Beyrouth Aéroport 561.6 km
Merzifon 568.1 km