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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 - Champs-sur-Marne Distance
Charles de Gaulle Airport 21.1 km
Paris-Le Bourget Airport 21.9 km
Orly Airport 25.8 km
Melun 26.5 km
Parc Montsouris 27.4 km
Villacoublay/Velizy 43.3 km
Creil 46.9 km
Toussus-le-Noble 53.9 km
Trappes 63.5 km
Cormeilles 67.2 km
Beauvais/Tille 87.5 km
Albert Airport 127.2 km
Chartres 127.3 km
Méaulte 127.3 km
Saint-Quentin 129.1 km
Orléans 131.3 km
Evreux/Fauville 153.5 km
Auxerre 155.9 km
Châteaudun 158.5 km
Abbeville 167.0 km
Rouen/Boos 167.4 km
Troyes - Barberey Airport 169.4 km
Châlons Vatry Airport 176.1 km
Reims - Prunay Aerodrome 180.0 km
Romorantin-Lanthenay 195.7 km
Bourges 198.0 km
Avord 198.5 km
Aérodrome de Blois 199.4 km
Lille Airport 201.4 km
Dieppe 205.5 km
Aéroport de Nevers-Fourchambault 212.4 km
Le Touquet 216.0 km
Châteauroux 237.7 km
Beitem 237.9 km
Boulogne-sur-Mer 238.0 km
Chièvres 238.4 km
Dunkirk 248.1 km
Koksijde 251.1 km
Charleville-Mézières 251.4 km
Tours/St Symphorien 258.0 km
St Dizier/Robinson 258.8 km
Gavere 262.7 km
Dourbes 265.0 km
Ostend Airport 265.0 km
Melle 275.3 km
Deauville-Saint-Gatien AP 275.4 km
Deauville-Saint-Gatien 275.5 km
Charleroi / Gosselies 275.9 km
Florennes 277.7 km
Alencon/Valframbert 280.0 km
Le Mans/Arnage 283.6 km
Zeebrugge 287.8 km
Le Havre/Octeville 289.0 km
Sainte-Adresse 289.8 km
Langdon Bay 290.4 km
Uccle 294.5 km
Lydd Airport 298.8 km
Westdorpe 301.0 km
Ernage 302.9 km
Guéret Airport 303.9 km
Vichy/Charmeil 310.0 km
Manston 311.8 km
Vlissingen 312.1 km
Saint-Yan 312.4 km
Brussels Airport 316.0 km
Beauvechain 323.1 km
Langres Airport 325.7 km
Flughafen Dijon-Bourgogne 328.7 km
Sint-Katelijne-Waver 329.7 km
Humain 333.4 km
Wilhelminadorp 334.0 km
Antwerpen / Deurne 336.3 km
Caen 339.9 km
Stabroek 340.5 km
St. Hubert/Ardennen 340.7 km
Herstmonceux 340.7 km
Buzenol 345.1 km
Clermont/Aulnat 345.3 km
Woensdrecht 350.0 km
Angers 352.1 km
Poitiers/Biard 356.8 km
Euro Platform 360.1 km
Shoeburyness 360.4 km
Le Goeree 365.1 km
Limoges/Bellegarde 365.6 km
Schaffen 366.5 km
London Southend Airport 370.1 km
Tavaux 373.4 km
Dole Tavaux 373.8 km
Mâcon 374.3 km
Liege / Bierset 377.5 km
Nancy/Ochey 378.2 km
Retie 380.1 km
Laval Airport 380.9 km
Angers 386.6 km
Hook of Holland 388.6 km
Brighton City Airport 389.1 km
Diepenbeek 394.1 km
Biggin Hill 397.3 km
P11-b Sea 400.0 km