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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 - Montereau-Fault-Yonne Distance
Melun 58.1 km
Auxerre 77.1 km
Orly Airport 93.0 km
Troyes - Barberey Airport 96.7 km
Charles de Gaulle Airport 98.3 km
Paris-Le Bourget Airport 102.3 km
Parc Montsouris 102.7 km
Villacoublay/Velizy 114.0 km
Creil 119.4 km
Châlons Vatry Airport 121.1 km
Toussus-le-Noble 123.2 km
Trappes 133.2 km
Reims - Prunay Aerodrome 144.8 km
Cormeilles 146.7 km
Aéroport de Nevers-Fourchambault 154.0 km
Avord 158.3 km
Saint-Quentin 159.4 km
Orléans 160.8 km
Beauvais/Tille 166.6 km
Bourges 170.4 km
Méaulte 183.5 km
Albert Airport 183.6 km
Chartres 183.9 km
St Dizier/Robinson 196.8 km
Châteaudun 199.8 km
Romorantin-Lanthenay 201.2 km
Evreux/Fauville 226.5 km
Charleville-Mézières 226.8 km
Aérodrome de Blois 229.5 km
Châteauroux 230.1 km
Saint-Yan 238.9 km
Lille Airport 243.1 km
Abbeville 243.6 km
Rouen/Boos 245.6 km
Vichy/Charmeil 247.9 km
Flughafen Dijon-Bourgogne 248.9 km
Dourbes 249.8 km
Langres Airport 250.8 km
Chièvres 255.2 km
Florennes 264.8 km
Charleroi / Gosselies 272.9 km
Guéret Airport 279.5 km
Beitem 280.2 km
Dieppe 286.0 km
Clermont/Aulnat 289.0 km
Gavere 289.1 km
Tours/St Symphorien 289.2 km
Le Touquet 292.3 km
Tavaux 293.5 km
Dole Tavaux 293.9 km
Mâcon 295.4 km
Ernage 296.5 km
Melle 297.9 km
Uccle 300.1 km
Buzenol 303.5 km
Koksijde 306.0 km
Humain 308.7 km
Dunkirk 310.1 km
St. Hubert/Ardennen 310.3 km
Boulogne-sur-Mer 313.2 km
Ostend Airport 314.7 km
Nancy/Ochey 314.9 km
Beauvechain 318.5 km
Brussels Airport 319.1 km
Westdorpe 324.8 km
Zeebrugge 329.5 km
Le Mans/Arnage 332.2 km
Sint-Katelijne-Waver 335.8 km
Alencon/Valframbert 339.6 km
Besançon 340.2 km
St Etienne/Boutheon 341.2 km
Vlissingen 344.4 km
Nancy/Essey 344.9 km
Antwerpen / Deurne 345.5 km
Deauville-Saint-Gatien AP 349.6 km
Deauville-Saint-Gatien 349.7 km
Metz-Nancy-Lorraine 351.6 km
Stabroek 353.6 km
Lyon- Bron Airport 355.9 km
Limoges/Bellegarde 356.0 km
Liege / Bierset 359.0 km
Wilhelminadorp 359.8 km
Ambérieu-en-Bugey 359.9 km
Schaffen 360.5 km
Luxeuil-les-Bains 363.8 km
Le Havre/Octeville 364.6 km
Lyon- Saint-Exupéry Airport 364.8 km
Sainte-Adresse 365.0 km
Woensdrecht 365.2 km
Langdon Bay 365.7 km
Luxembourg 367.8 km
Le Puy 373.1 km
Poitiers/Biard 375.2 km
Lydd Airport 377.5 km
Retie 378.0 km
Diepenbeek 380.3 km
Nennig 382.6 km
Manston 386.1 km
Spa 386.2 km
La Dôle 393.7 km