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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.


Weerstations in de buurt - Arak Afstand
Arak 0.0 km
Aligudarz 50.4 km
Hamadan 140.9 km
Qazvin 157.9 km
Masjedsoleiman 160.5 km
Khorramabad 161.9 km
Khorramabad Luchthaven 165.1 km
Shahrekord 179.4 km
Teheran Luchthaven 186.7 km
Safi-Abad Dezful 194.3 km
Kashan 195.0 km
Internationale luchthaven Mehrabad 215.1 km
Rasjt 223.5 km
Ramsar 226.7 km
Ahvaz Luchthaven 231.8 km
Zanjan 231.9 km
Zanjan 231.9 km
Omidiyeh 240.1 km
Bandar-e Anzali 244.3 km
Isfahan 252.3 km
Bandar-e Mahshahr Airport 263.7 km
Nowshahr Airport 267.2 km
Nowshahr 269.5 km
Gach Saran Du Gunbadan 286.8 km
Kermanshah 287.8 km
Sanandaj 314.1 km
Yasuj Luchthaven 315.9 km
Abadan 316.9 km
Yasoge 319.0 km
Amarah 327.9 km
Meyaneh 331.8 km
Basra 335.8 km
Basra Luchthaven 338.6 km
Ardebil Luchthaven 339.3 km
Ardebil 341.6 km
Lənkəran 350.1 km
Ali Al-Gharbi 353.5 km
Ilam 367.1 km
Ilam Luchthaven 368.8 km
Sarab 371.1 km
Abdaly 371.8 km
Babolsar 375.7 km
Gharakhil 383.6 km
Abadeh 387.8 km
Saqqez 414.4 km
Semnan 422.1 km
Badra 424.1 km
Halabja 425.5 km
Dasht-e Naz Airport 426.8 km
Kut-al-hai 433.8 km
Ahar 434.1 km
Rafaei 438.4 km
Nasiriya 449.1 km
Al Kut Ubaydah Bin Al Jarrah Airport 456.0 km
Maragha 463.8 km
Khanaqin 480.9 km
Tabriz Luchthaven 482.3 km
Suleimaniya 485.2 km
Mahabad 486.3 km
Azizyah 523.4 km
Esenguly 528.3 km
As-Samawah 537.5 km
Chamchamal 552.2 km
Urmia 575.2 km

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