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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 - Nettersheim Distance
Kall 11.5 km
Lommersum 29.0 km
Nideggen-Schmidt 30.3 km
Barweiler 30.5 km
Schneifelforsthaus 31.9 km
Nörvenich 36.5 km
Manderscheid 47.8 km
Elsenborn 50.2 km
Bad Neuenahr-Ahrweiler 50.9 km
Spangdahlem 58.7 km
Büchel Airport 59.5 km
Mont Rigi 63.1 km
Holzlar 67.5 km
K�ln-Stammheim 69.6 km
Cologne Bonn Airport 70.9 km
Orsbach 75.4 km
Spa 79.8 km
Mönchengladbach Airport 82.0 km
Mönchengladbach Airport 82.0 km
Trier/Petrisberg 83.2 km
Geilenkirchen 83.4 km
Andernach 88.0 km
Düsseldorf Airport 89.3 km
Neunkirchen-Seelscheid /Krawinkel 91.2 km
Frankfurt- Hahn Airport 93.2 km
Deuselbach 94.1 km
Hümmerich 95.1 km
Maastricht-Beek 105.3 km
Koblenz Falkenstein-Kaserne 106.2 km
Essen 106.6 km
Weiskirchen 106.9 km
Luxembourg 108.2 km
Nennig 109.9 km
Baerl 111.9 km
Hilgenroth 116.2 km
Idar-Oberstein 117.9 km
Arcen 120.7 km
Wahlbach 120.9 km
Tholey 122.1 km
Ell 123.7 km
Eckenhagen 131.1 km
Montabaur 131.1 km
Liege / Bierset 132.8 km
Weeze Airport 133.1 km
Berus 136.8 km
Lüdenscheid 139.2 km
Diepenbeek 139.6 km
Nastätten 141.9 km
Kalkar 142.4 km
Neunkirchen-Wellesweiler 144.4 km
St. Hubert/Ardennen 146.7 km
Bocholt 147.9 km
Waltrop-Abdinghof 148.5 km
Bad Marienberg 148.8 km
Kleine-Brogel 149.4 km
Saarbrücken/Ensheim 151.7 km
Buzenol 152.4 km
Dortmund/Wickede 156.6 km
Humain 157.5 km
Geisenheim 157.7 km
Ramstein Air Base 159.3 km
Siegerland Airport 163.0 km
Volkel Air Base 164.5 km
Ruppertsecken 167.5 km
Runkel - Ennerich 168.2 km
Lennestadt-Theten 170.3 km
Eindhoven 171.5 km
Lüdinghausen 172.2 km
Metz-Nancy-Lorraine 173.2 km
Eibergen 173.2 km
Ahaus 178.1 km
L�hnberg-Obershausen 178.9 km
Pirmasens 179.7 km
Schaffen 183.0 km
Werl 183.4 km
Neheim ded 183.6 km
Dillenburg 183.8 km
Alzey 186.0 km
Eslohe 189.4 km
Deelen 192.4 km
Wiesbaden 194.8 km
Waldems 194.8 km
Retie 195.0 km
Twente 197.5 km
Stünzel 200.4 km
Kleiner Feldberg 204.2 km
Nancy/Essey 204.9 km
Weinbiet 207.0 km
Bad Dürkheim 207.8 km
Beauvechain 209.6 km
Münster Osnabrück Intl. Airport 215.9 km
Bad Bergzabern 216.4 km
Frankfurt Airport 216.6 km
Ernage 217.2 km
Heino 218.0 km
Frankfurt Airport 218.9 km
Kahler Asten 219.8 km
Florennes 222.8 km
Gilze en Rijen 223.1 km
Herwijnen 224.0 km