Wereld

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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 - Wenchuan Afstand
Songpan 31.0 km
Wenjiang 34.4 km
Internationale luchthaven Chengdu Shuangliu 47.0 km
Emei Shan 57.7 km
Ya'an 75.2 km
Zoigê 87.4 km
Zhaotong 110.3 km
Hezuo 117.9 km
Mianyang 122.5 km
Yuzhong 133.2 km
Yibin 134.3 km
Barkam 150.7 km
Wudu 157.6 km
Xichang 171.3 km
Neijiang 178.1 km
Kangding 183.3 km
Huajialing 190.8 km
Naxi 213.8 km
Bijie 216.8 km
Henan 234.5 km
Jiulong 239.4 km
Langzhong 265.3 km
Beidaoqu 270.4 km
Dawu 274.8 km
Nanchong 278.9 km
Chongqing 327.7 km
Guinan 329.7 km
Seda 362.3 km
Pingliang 362.9 km
Daocheng 369.6 km
Litang 370.7 km
Hanzhong 386.9 km
Garzê 398.9 km
Fengxiang 432.5 km
Dachuan 436.1 km
Darlag 440.8 km
Xifengzhen 468.3 km
Liangping 470.0 km
Batang 500.1 km

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