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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.


Estações Meteorológicas Próximas - Siverek Distância
Şanlıurfa GAP Airport 52.1 km
Gap Meydan 52.3 km
Elazığ 73.8 km
Şanlıurfa 79.8 km
Adıyaman 92.5 km
Diarbaquir 100.8 km
Tunceli 120.8 km
Tulga Meydan 128.0 km
Malatya/Erhac 146.9 km
Mardin Aeroporto 163.4 km
Erzincã 170.9 km
Bingöl 172.3 km
Hassakah 193.4 km
Batman 202.5 km
Al-Qamishli 221.5 km
Gaziantepe 222.9 km
Gümüşhane 233.9 km
Bayburt 237.6 km
Kilis 259.3 km
Muş 260.5 km
Kahramanmaraş Aeroporto 261.9 km
Muş Aeroporto 276.1 km
Erzurum Aeroporto 280.2 km
Trebizonda 283.7 km
Erzurum 286.5 km
Giresun 292.9 km
Siirt 295.3 km
Rize 311.3 km
Ordu 321.6 km
Rabiah 321.8 km
Sivas 322.3 km
Osmaniye 352.6 km
Hatay Airport 357.4 km
İskenderun 363.6 km
Hama 365.9 km
Tal Afar 373.0 km
Tocate 377.7 km
Zakho 383.9 km
Hopa 390.1 km
Artvin 403.4 km
Anah 410.7 km
Batumi 415.2 km
Ar-Rutbah 418.0 km
Dohuk 418.5 km
Bogus Soviet 420.1 km
Bassel Al-Assad Intl. Airport 428.2 km
Erkilet Intl. Airport 433.0 km
Carsamba/Samsun 433.7 km
Base aérea de İncirlik Aeroporto 436.3 km
Safita 437.0 km
Lataquia Aeroporto 439.3 km
Ağrı Aeroporto 444.4 km
Mossul 445.0 km
Ağrı 449.3 km
Adana Şakirpaşa Airport 450.4 km
453.4 km
Hadita 456.1 km
Samsun 456.1 km
Amasia 461.4 km
Ardaã 472.4 km
Cars 485.3 km
Trípoli 486.4 km
Damaskus Airport 490.7 km
Hakkâri 497.5 km
Merzifon 500.9 km
Akre 517.0 km
Houche-Al-Oumara 517.5 km
Akhaltsikhe 526.3 km
Baiji 527.8 km
Beirute Aeroporto 549.0 km
Armavir 549.5 km
Amasia 564.2 km
Aeroporto Internacional de Shirak 569.3 km
Ramadi 573.6 km
Ashotsk 577.9 km
Heet 602.4 km