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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 - Derik Distance
Diyarbakır 45.9 km
Mardin Airport 51.5 km
Hassakah 89.8 km
Batman 104.8 km
Qamishli 108.7 km
Bingöl 133.1 km
Gap Meydan 152.3 km
Elazığ 152.8 km
Şanlıurfa GAP Airport 152.9 km
Urfa 168.0 km
Tunceli 170.6 km
Muş 181.4 km
Siirt 193.3 km
Muş Airport 194.7 km
Adıyaman 202.8 km
Rabiah 209.2 km
Erzincan 218.3 km
Tulga Meydan 240.5 km
Erzurum Airport 241.8 km
Erzurum 242.9 km
Bayburt 246.9 km
Malatya/Erhac 259.4 km
Tal Afar 260.1 km
Zakho 273.3 km
Zakho 273.3 km
Gümüşhane 280.3 km
Duhok 306.9 km
Anah 312.6 km
Rize 313.5 km
Trabzon 315.3 km
Gaziantep 323.7 km
Mosul 332.3 km
Van 354.2 km
Kilis 354.9 km
Haditha 355.1 km
Ağrı Airport 362.0 km
Hopa 364.9 km
Artvin 365.1 km
Ar-Rutbah 366.6 km
Ağrı 367.8 km
Marash Airport 369.2 km
Giresun 371.8 km
Batumi 387.7 km
Hakkâri 390.0 km
Bogus Soviet 392.2 km
Akre 405.6 km
Ordu 409.8 km
Kars 414.3 km
Ardahan 414.4 km
Baiji 416.4 km
Erbil Airport 427.2 km
Sivas 431.6 km
Hama 437.1 km
Salahadin 445.0 km
Hatay Airport 451.8 km
Osmaniye 456.7 km
İskenderun 461.3 km
Armavir 465.6 km
Ramadi 469.0 km
Akhaltsikhe 470.1 km
Iğdır 471.4 km
Kirkuk 485.5 km
Tokat 485.6 km
Amasia 487.9 km
Maku 491.7 km
Gyumri Shirak Intl. Airport 493.5 km
Heet 494.7 km
Ashotsk 503.8 km
Safita 510.6 km
Yerevan Zvartnots 512.9 km
Ashtarak 514.9 km
Artashat 519.0 km
Tuz Khurmatu 528.3 km
Aparan 528.7 km
Khoy 532.3 km
Carsamba/Samsun 535.5 km
Damaskus AP 540.3 km
Vanadzor 545.6 km
Al Khalis 555.9 km
Baghdad 556.7 km
Samsun 559.4 km
Hrazdan 562.8 km
Bolnisi 584.6 km
Tbilisi 617.5 km
Tbilisi Intl. Airport 630.3 km