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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 - Wijchen Distance
Volkel Air Base 15.7 km
Deelen 34.9 km
Eindhoven 51.2 km
Weeze Airport 53.1 km
Kalkar 61.7 km
Arcen 63.2 km
Herwijnen 63.5 km
Ell 66.7 km
De Bilt 68.0 km
Kleine-Brogel 75.5 km
Lelystad Airport 75.9 km
Cabauw 89.1 km
Gilze en Rijen 91.0 km
Bocholt 91.0 km
Heino 92.6 km
Maastricht-Beek 98.1 km
Geilenkirchen 99.8 km
Retie 99.8 km
Marknesse 101.4 km
Diepenbeek 102.3 km
Eibergen 108.0 km
Mönchengladbach Airport 108.0 km
Mönchengladbach Airport 108.0 km
Baerl 114.1 km
Schaffen 114.4 km
Orsbach 116.1 km
Amsterdam-Schiphol 117.9 km
Berkhout 124.4 km
Stavoren 126.8 km
Düsseldorf Airport 129.7 km
Liege / Bierset 130.8 km
Ahaus 139.8 km
Hoogeveen 141.5 km
Twente 141.5 km
Rotterdam The Hague Airport 142.0 km
Essen 146.0 km
Wijk aan Zee 146.6 km
Mont Rigi 147.3 km
Voorschoten 147.4 km
Spa 147.5 km
Nideggen-Schmidt 147.6 km
Nörvenich 150.2 km
Antwerpen / Deurne 154.2 km
Sint-Katelijne-Waver 155.1 km
Elsenborn 156.5 km
Beauvechain 157.3 km
Leeuwarden 157.7 km
Woensdrecht 158.8 km
Stabroek 159.5 km
De Kooy Airfield 162.6 km
Brussels Airport 165.3 km
Lommersum 169.8 km
Kall 170.0 km
Groningen-Eelde 176.3 km
Ernage 178.7 km
Terschelling Hoorn 180.1 km
Hook of Holland 181.1 km
Schneifelforsthaus 183.1 km
Vlieland 183.7 km
Humain 184.7 km
Lauwersoog 186.9 km
Uccle 187.5 km
Waltrop-Abdinghof 188.7 km
Awg-1 Sea 189.0 km
K�ln-Stammheim 189.4 km
Cologne Bonn Airport 190.9 km
Lingen 194.1 km
St. Hubert/Ardennen 198.9 km
Lüdinghausen 200.9 km
Holzlar 202.2 km
Charleroi / Gosselies 204.3 km
Wilhelminadorp 204.4 km
Barweiler 204.6 km
Meppen 205.0 km
Fliegerhorst Meppen 206.2 km
Bad Neuenahr-Ahrweiler 207.6 km
Florennes 210.4 km
Neunkirchen-Seelscheid /Krawinkel 212.2 km
Dortmund/Wickede 213.3 km
Hoorn-a Sea 214.0 km
Westdorpe 215.9 km
L9-ff-1 Sea 218.0 km
Nieuw-Beerta 222.4 km
Lüdenscheid 223.0 km
Manderscheid 223.3 km
Münster Osnabrück Intl. Airport 223.5 km
Dourbes 225.8 km
Borkum Airport 227.3 km
Le Goeree 228.7 km
Spangdahlem 229.5 km
Melle 230.3 km
Büchel Airport 233.8 km
Eckenhagen 238.4 km
Vlissingen 238.8 km
Hümmerich 238.9 km
Buzenol 242.3 km
Werl 242.9 km
Andernach 243.2 km
Emden Airport 243.3 km
Hilgenroth 245.1 km