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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 - Nowshahr Distance
Nowshahr Airport 1.9 km
Nowshahr 18.1 km
Mehrabad Intl. Airport 68.1 km
Ramsar 88.9 km
Tehran Airport 92.1 km
Babolsar 133.8 km
Gharakhil 152.7 km
Qazvin 163.9 km
Kashan 185.0 km
Dasht-e Naz Airport 194.1 km
Rasht 205.9 km
Semnan 227.8 km
Bandar-e Anzali 228.2 km
Arak 265.4 km
Esenguly 285.5 km
Türkmenbaşy 287.0 km
Türkmenbaşy Airport 290.1 km
Isfahan 290.8 km
Aligudarz 302.4 km
Heydar Aliyev Intl. Airport 308.7 km
Shahr-e Kord 308.7 km
Ghuchan 313.8 km
Lankaran 327.0 km
Zanjan 330.3 km
Zanjan 330.3 km
Gorgan 334.1 km
Hamadan 349.3 km
Ardabil Airport 357.5 km
Ardabil 370.7 km
Gobustan 393.7 km
Shahrud 399.2 km
Khorramabad 417.1 km
Khorramabad Airport 421.2 km
Mianeh 421.4 km
Sarab 445.7 km
Khur 447.1 km
Safi-Abad Dezful 459.6 km
Bereket 484.3 km
Goychay 502.8 km
Sanandaj 504.5 km
Ahar 504.8 km
Maraveh Tappeh 507.6 km
Qabala Intl. Airport 511.7 km
Chagyl 511.8 km
Kermanshah 512.4 km
Yevlakh 559.8 km

Current weather