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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.


Stations météo à proximité - Velbert Distance
Essen 10.7 km
Düsseldorf Aéroport 29.8 km
Baerl 41.9 km
Waltrop-Abdinghof 50.3 km
K�ln-Stammheim 53.1 km
Aéroport Konrad-Adenauer de Cologne-Bonn 53.6 km
Mönchengladbach Aéroport 60.0 km
Mönchengladbach Aéroport 60.0 km
Neunkirchen-Seelscheid /Krawinkel 65.3 km
Dortmund/Wickede 67.6 km
Holzlar 68.4 km
Lüdenscheid 68.5 km
Nörvenich 69.5 km
Lüdinghausen 73.1 km
Lommersum 74.1 km
Bocholt 78.4 km
Ahaus 83.3 km
Eckenhagen 83.5 km
Bad Neuenahr-Ahrweiler 89.0 km
Eibergen 91.6 km
Arcen 94.6 km
Hilgenroth 94.9 km
Kalkar 96.1 km
Hümmerich 97.6 km
Werl 98.8 km
Nideggen-Schmidt 100.2 km
Weeze (Aéroport) 102.7 km
Twente 104.2 km
Neheim ded 106.3 km
Kall 107.8 km
Barweiler 109.1 km
Andernach 109.3 km
Lennestadt-Theten 113.2 km
Münster/Osnabrück (Aéroport) 115.2 km
Geilenkirchen 118.2 km
Coblence Falkenstein-Kaserne 122.4 km
Eslohe 125.8 km
Orsbach 127.0 km
Bad Marienberg 127.0 km
Büchel Aéroport 128.1 km
Montabaur 131.0 km
Schneifelforsthaus 132.5 km
Lingen 134.4 km
Elsenborn 134.7 km
Siegerland Aéroport 135.7 km
Manderscheid 138.4 km
Mont Rigi 140.5 km
Ell 141.8 km
Maastricht-Beek 146.6 km
Heino 149.2 km
Deelen 151.6 km
Base aérienne Volkel-Uden 152.0 km
Dillenburg 152.3 km
Stünzel 153.8 km
Spangdahlem 155.1 km
Francfort-Hahn (Aéroport) 155.4 km
Nastätten 155.5 km
Spa 155.9 km
Meppen 155.9 km
Fliegerhorst Meppen 156.9 km
L�hnberg-Obershausen 159.1 km
Wahlbach 160.1 km
Alfhausen 161.0 km
Runkel - Ennerich 161.3 km
Kahler Asten 162.9 km
Hoogeveen 165.0 km
Belm 166.6 km
Deuselbach 173.7 km
Kleine-Brogel 175.4 km
Paderborn-Lippstadt (Aéroport) 178.9 km
Thülen 180.1 km
Trier/Petrisberg 180.2 km
Eindhoven 180.4 km
Geisenheim 180.7 km
Diepenbeek 182.2 km
Idar-Oberstein 184.1 km
Waldems 189.6 km
Liège/Bierset 191.8 km
Giessen 196.6 km
Marknesse 198.1 km
Weiskirchen 198.7 km
Kleiner Feldberg 199.5 km
Burgwald-Bottendorf 200.6 km
Diepholz Aéroport 201.0 km
Marbourg 201.2 km
Wiesbaden 201.8 km
Groningue-Eelde 205.2 km
Tholey 205.5 km
Nieuw-Beerta 206.6 km
Bad Lippspringe 207.0 km
Ruppertsecken 208.3 km
Mühlhausen 208.9 km
Lelystad Aéroport 209.1 km
Bad Salzuflen 209.3 km
Luxembourg 210.5 km
Nennig 211.1 km
Kleinendorf 212.6 km
Friesoythe - Altenoythe 214.2 km
Alzey 214.3 km
Herwijnen 217.8 km