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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 - Fourmies Distance
Dourbes 61.9 km
Chièvres 66.6 km
Charleroi / Gosselies 66.9 km
Charleville-Mézières 69.9 km
Florennes 71.0 km
Reims - Prunay Aerodrome 90.8 km
Uccle 92.6 km
Ernage 93.3 km
Saint-Quentin 97.2 km
Melle 109.7 km
Gavere 110.4 km
Brussels Airport 111.8 km
Beauvechain 114.0 km
Lille Airport 123.0 km
Sint-Katelijne-Waver 128.3 km
Ghent 132.1 km
Westdorpe 134.8 km
Humain 135.1 km
Châlons Vatry Airport 138.6 km
Antwerpen / Deurne 139.3 km
Beitem 142.9 km
Stabroek 148.9 km
Méaulte 150.1 km
St. Hubert/Ardennen 150.3 km
Albert Airport 151.3 km
Schaffen 157.2 km
Woensdrecht 162.2 km
Vlissingen 166.9 km
Wilhelminadorp 169.3 km
Liege / Bierset 171.0 km
Retie 172.4 km
Zeebrugge 174.9 km
Buzenol 176.4 km
St Dizier/Robinson 180.3 km
Diepenbeek 185.1 km
Ostend Airport 186.1 km
Troyes - Barberey Airport 188.4 km
Creil 190.8 km
Koksijde 195.9 km
Gilze en Rijen 198.1 km
Charles de Gaulle Airport 202.1 km
Kleine-Brogel 202.8 km
Paris-Le Bourget Airport 213.9 km
Spa 214.1 km
Le Goeree 217.1 km
Maastricht-Beek 217.2 km
Melun 217.6 km
Hook of Holland 218.4 km
Rotterdam The Hague Airport 219.2 km
Eindhoven 220.1 km
Dunkirk 223.0 km
Beauvais/Tille 223.7 km
Mont Rigi 231.2 km
Ell 231.8 km
Parc Montsouris 232.6 km
Orly Airport 235.2 km
Orsbach 235.7 km
Euro Platform 235.9 km
Cabauw 237.7 km
Herwijnen 239.0 km
Voorschoten 239.3 km
Elsenborn 242.7 km
Geilenkirchen 244.4 km
Luxembourg 245.2 km
Abbeville 247.1 km
Cormeilles 247.3 km
Villacoublay/Velizy 248.4 km
Auxerre 251.8 km
Toussus-le-Noble 258.3 km
Volkel Air Base 258.7 km
De Bilt 263.3 km
Trappes 265.6 km
Nancy/Ochey 266.8 km
Amsterdam-Schiphol 267.4 km
Metz-Nancy-Lorraine 270.8 km
P11-b Sea 271.3 km
Le Touquet 276.5 km
Langres Airport 280.8 km
Wijk aan Zee 282.8 km
Nancy/Essey 283.5 km
Boulogne-sur-Mer 284.1 km
Arcen 290.4 km
Trier/Petrisberg 291.6 km
Weeze Airport 292.3 km
Spangdahlem 293.8 km
Nörvenich 303.6 km
Mönchengladbach Airport 304.1 km
Berus 305.2 km
Deelen 305.5 km
Berkhout 308.7 km
Barweiler 316.0 km
Lelystad Airport 316.0 km
Hoorn-a Sea 322.3 km
Langdon Bay 325.2 km
Dijon Air Base 326.1 km
Rouen/Boos 326.8 km
Dieppe 328.5 km
Chartres 332.1 km
De Kooy Airfield 332.5 km
Düsseldorf Airport 333.9 km