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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 - Arnsberg Distance
Neheim ded 11.7 km
Eslohe 18.9 km
Werl 27.8 km
Lennestadt-Theten 30.0 km
Lüdenscheid 50.2 km
Dortmund/Wickede 52.2 km
Kahler Asten 52.9 km
Stünzel 57.3 km
Eckenhagen 60.2 km
Thülen 64.9 km
Paderborn-Lippstadt (Aéroport) 65.6 km
Lüdinghausen 73.6 km
Dillenburg 76.3 km
Siegerland Aéroport 76.3 km
Waltrop-Abdinghof 77.4 km
Bad Marienberg 82.2 km
Hilgenroth 86.3 km
Münster/Osnabrück (Aéroport) 90.9 km
Burgwald-Bottendorf 92.2 km
Mühlhausen 94.2 km
L�hnberg-Obershausen 94.5 km
Bad Lippspringe 95.8 km
Neunkirchen-Seelscheid /Krawinkel 97.9 km
Marbourg 101.0 km
Belm 101.7 km
Bad Salzuflen 108.8 km
Giessen 108.9 km
Montabaur 109.5 km
Runkel - Ennerich 111.6 km
Hümmerich 111.7 km
Warburg 116.9 km
Aéroport Konrad-Adenauer de Cologne-Bonn 117.2 km
K�ln-Stammheim 118.5 km
Moischeid 119.0 km
Alfhausen 120.8 km
Holzlar 121.8 km
Essen 122.4 km
Coblence Falkenstein-Kaserne 125.8 km
Ulrichstein 128.1 km
Waldems 129.4 km
Kleinendorf 129.5 km
Andernach 129.5 km
Nastätten 133.0 km
Diepholz Aéroport 134.4 km
Kleiner Feldberg 136.5 km
Nauheim. Bad 137.5 km
Fritzlar 138.5 km
Lügde-Paenbruch 143.5 km
Elgershausen 144.4 km
Düsseldorf Aéroport 145.0 km
Bad Neuenahr-Ahrweiler 145.1 km
Cassel (Aéroport) 145.9 km
Ahaus 146.2 km
Lingen 149.5 km
Bückeburg 149.6 km
Wiesbaden 151.5 km
Baerl 152.6 km
Schotten 154.2 km
Geisenheim 156.4 km
Hauptschwenda 158.7 km
Francfort Aéroport 159.6 km
Eifa 159.9 km
Francfort (Aéroport) 160.3 km
Lommersum 161.3 km
Twente 161.3 km
Hoherodskopf 162.0 km
Wahlbach 162.9 km
Bückeburg 164.8 km
Wetterpark Offenbach 165.0 km
Bevern 167.1 km
Meppen 167.4 km
Fliegerhorst Meppen 167.6 km
Nörvenich 168.8 km
Wahlsburg-Lippoldsberg 169.1 km
Großenkneten 170.1 km
Eibergen 174.0 km
Mönchengladbach Aéroport 174.9 km
Mönchengladbach Aéroport 174.9 km
Büchel Aéroport 175.7 km
Barweiler 175.9 km
Breitenborn 176.3 km
Bocholt 177.3 km
Barsinghausen 183.3 km
Francfort-Hahn (Aéroport) 183.6 km
Alzey 184.2 km
Friesoythe - Altenoythe 184.4 km
Nienburg/Weser 189.8 km
Schaafheim 191.2 km
Wunstorf 191.5 km
Ruppertsecken 194.0 km
Bad Hersfeld 195.6 km
Kall 197.8 km
Brême Aéroport 198.6 km
Moringen 200.2 km
Nideggen-Schmidt 200.3 km
Manderscheid 200.9 km
Herolz 202.1 km
Fulda-Horas 202.8 km
Gerzen 203.4 km
Kalkar 203.7 km