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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 - Hilvan Distance
Şanlıurfa GAP Airport 13.4 km
Gap Meydan 14.1 km
Urfa 44.0 km
Adıyaman 55.0 km
Elazığ 96.2 km
Tulga Meydan 102.6 km
Malatya/Erhac 120.8 km
Diyarbakır 141.5 km
Tunceli 148.1 km
Gaziantep 181.6 km
Erzincan 194.7 km
Mardin Airport 199.3 km
Bingöl 213.1 km
Kilis 217.8 km
Hassakah 220.7 km
Marash Airport 222.3 km
Batman 242.5 km
Gümüşhane 254.6 km
Qamishli 256.4 km
Bayburt 269.3 km
Giresun 296.5 km
Sivas 300.3 km
Muş 302.0 km
Trabzon 307.9 km
Osmaniye 312.0 km
Hatay Airport 315.9 km
Muş Airport 317.6 km
Ordu 318.7 km
Erzurum Airport 319.3 km
İskenderun 322.2 km
Erzurum 326.1 km
Hama 327.1 km
Siirt 335.1 km
Rize 343.0 km
Rabiah 356.9 km
Tokat 357.1 km
Bassel Al-Assad Intl. Airport 387.3 km
Incirlik Air Base Airport 395.7 km
Safita 397.4 km
Latakia Airport 398.1 km
Erkilet Intl. Airport 398.7 km
Tal Afar 406.5 km
Adana Şakirpaşa Airport 409.8 km
Ar-Rutbah 417.4 km
Carsamba/Samsun 418.9 km
Zakho 421.0 km
Hopa 426.2 km
Anah 430.9 km
Amasya 438.8 km
Samsun 439.7 km
Artvin 441.5 km
Tripoli 446.9 km
Batumi 451.5 km
Damaskus AP 455.9 km
Bogus Soviet 456.5 km
Niğde 476.2 km
Haditha 477.6 km
Merzifon 477.8 km
Houche-Al-Oumara 479.5 km
Nevşehir 481.7 km
Mersin 485.6 km
Ağrı Airport 485.9 km
Nevşehir Kapadokya Airport 502.8 km
Yozgat 502.9 km
Beirut Airport 510.2 km
Ardahan 512.6 km
Çorum 517.5 km
Rizokarpaso 538.8 km
Ereğli 545.5 km
Aksaray 550.1 km
Kırşehir 550.6 km
Gialousa 579.0 km