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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 - Rur Dam Distance
Nideggen-Schmidt 7.7 km
Kall 16.8 km
Elsenborn 29.9 km
Schneifelforsthaus 32.6 km
Nörvenich 37.1 km
Mont Rigi 40.0 km
Lommersum 43.3 km
Orsbach 48.9 km
Barweiler 57.0 km
Spa 57.1 km
Geilenkirchen 57.8 km
Manderscheid 69.7 km
Mönchengladbach Airport 70.4 km
Mönchengladbach Airport 70.4 km
Bad Neuenahr-Ahrweiler 75.4 km
Spangdahlem 75.9 km
Maastricht-Beek 78.7 km
Büchel Airport 85.6 km
K�ln-Stammheim 86.0 km
Düsseldorf Airport 86.3 km
Cologne Bonn Airport 87.5 km
Holzlar 87.7 km
Trier/Petrisberg 98.0 km
Ell 98.2 km
Arcen 102.5 km
Baerl 105.4 km
Liege / Bierset 107.8 km
Essen 108.0 km
Neunkirchen-Seelscheid /Krawinkel 110.2 km
Luxembourg 111.1 km
Diepenbeek 113.2 km
Andernach 113.4 km
Weeze Airport 114.6 km
Deuselbach 116.7 km
Nennig 117.6 km
Hümmerich 118.9 km
Frankfurt- Hahn Airport 118.9 km
Kleine-Brogel 123.0 km
Weiskirchen 124.1 km
Kalkar 126.5 km
St. Hubert/Ardennen 129.4 km
Koblenz Falkenstein-Kaserne 131.8 km
Bocholt 137.0 km
Humain 137.2 km
Hilgenroth 138.2 km
Volkel Air Base 141.3 km
Tholey 142.5 km
Idar-Oberstein 142.5 km
Buzenol 143.0 km
Eindhoven 145.8 km
Wahlbach 147.4 km
Eckenhagen 149.8 km
Berus 150.8 km
Lüdenscheid 153.9 km
Waltrop-Abdinghof 155.5 km
Montabaur 156.1 km
Schaffen 156.7 km
Eibergen 164.3 km
Neunkirchen-Wellesweiler 166.1 km
Dortmund/Wickede 167.4 km
Nastätten 167.9 km
Retie 168.5 km
Saarbrücken/Ensheim 171.6 km
Bad Marienberg 171.9 km
Deelen 172.8 km
Ahaus 173.9 km
Lüdinghausen 178.9 km
Metz-Nancy-Lorraine 179.9 km
Ramstein Air Base 184.0 km
Geisenheim 184.2 km
Beauvechain 184.4 km
Siegerland Airport 185.9 km
Lennestadt-Theten 188.9 km
Twente 192.0 km
Ernage 193.0 km
Runkel - Ennerich 193.2 km
Ruppertsecken 193.8 km
Werl 196.1 km
Gilze en Rijen 196.8 km
Neheim ded 198.2 km
Herwijnen 198.9 km
Florennes 200.8 km
L�hnberg-Obershausen 203.0 km
Pirmasens 203.3 km
Heino 203.7 km
Dillenburg 206.6 km
Eslohe 207.2 km
Dourbes 209.7 km
Nancy/Essey 212.1 km
Brussels Airport 212.3 km
Alzey 212.5 km
De Bilt 215.5 km
Sint-Katelijne-Waver 217.1 km
Charleville-Mézières 218.2 km
Charleroi / Gosselies 219.4 km
Waldems 220.3 km
Wiesbaden 221.0 km
Stünzel 221.4 km
Münster Osnabrück Intl. Airport 221.4 km
Cabauw 224.0 km