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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 - Dreux Distance
Chartres 34.1 km
Evreux/Fauville 34.9 km
Châteaudun 74.3 km
Trappes 74.3 km
Rouen/Boos 74.7 km
Toussus-le-Noble 84.2 km
Cormeilles 85.5 km
Villacoublay/Velizy 94.7 km
Orléans 94.7 km
Parc Montsouris 110.4 km
Paris-Orly (Aéroport) 115.0 km
Beauvais/Tille 118.1 km
Aérodrome de Blois 118.3 km
Paris-Le Bourget (Aéroport) 124.3 km
Paris-Charles-de-Gaulle (Aéroport) 135.4 km
Dieppe 136.4 km
Creil 142.0 km
Alençon/Valframbert 143.1 km
Melun 149.0 km
Deauville-Saint-Gatien AP 149.3 km
Deauville-Saint-Gatien 149.4 km
Le Mans/Arnage 155.9 km
Tours/St Symphorien 159.3 km
Romorantin-Lanthenay 161.7 km
Abbeville 164.8 km
Sainte-Adresse 166.4 km
Le Havre/Octeville 166.8 km
Le Touquet-Paris-Plage 200.7 km
Albert Aéroport 203.7 km
Méaulte 204.2 km
Caen 206.5 km
Châteauroux 211.9 km
Bourges 217.2 km
Boulogne-sur-Mer 224.3 km
Aéroport d'Angers-Loire 226.5 km
Avord 236.7 km
Saint-Quentin 238.6 km
Laval Aéroport 245.7 km
Lydd (Aéroport) 251.6 km
Angers 259.5 km
Auxerre 264.9 km
Herstmonceux 266.3 km
Poitiers/Biard 266.3 km
Langdon Bay 267.1 km
Nevers-Fourchambault (Aéroport) 275.2 km
Dunkerque 280.0 km
Lille-Lesquin (Aéroport) 282.1 km
Manston 291.2 km
Guéret Aéroport 292.4 km
Shoreham (Aéroport) 296.1 km
Coxyde 299.6 km
Troyes - Barberey (Aéroport) 300.4 km
Beitem 311.7 km
Aéroport Châlons-Vatry 313.4 km
Reims en Champagne (Aéroport) 316.9 km
Londres-Gatwick (Aéroport) 318.6 km
Shoeburyness 319.4 km
Limoges/Bellegarde 320.0 km
Charlwood 320.9 km
Ostende Aéroport 322.2 km
Londres-Southend (Aéroport) 324.2 km
Biggin Hill 324.2 km
Kenley 328.0 km
Cherbourg (Aéroport) 330.1 km
Niort 332.1 km
Londres-City (Aéroport) 340.3 km
Thorney Island 343.0 km
Chièvres 343.9 km
St James's Park 349.8 km
Rennes-Bretagne (Aéroport) 351.2 km
Gavere 355.5 km
Zeebruges 356.4 km
Angoulême/Brie-Champniers 357.2 km
St. Catherine's Point 359.8 km
Vichy/Charmeil 365.4 km
Londres-Heathrow (Aéroport) 365.5 km
Andrewsfield Aerodrome 366.0 km
Farnborough 368.9 km
Northolt 369.4 km
Melle 371.2 km
Londres-Stansted (Aéroport) 372.0 km
Nantes-Atlantique (Aéroport) 373.6 km
RAF Odiham 378.2 km
La Roche-sur-Yon 379.2 km
Wattisham Aéroport 379.9 km
Dinard/Pleurtuit 380.7 km
Hague 381.5 km
Charleville-Mézières 383.7 km
Clermont/Aulnat 385.4 km
Base aérienne 709 Cognac-Châteaubernard 388.5 km
Southampton Aéroport 389.7 km
Rothamsted Park 391.3 km
Dourbes 392.4 km
Flessingue 392.4 km
Saint-Yan 393.0 km
Westdorpe 393.4 km
Charleroi/Gosselies 395.2 km
Saint Dizier/Robinson 395.3 km
Londres-Luton (Aéroport) 398.6 km
Jersey Aéroport 398.8 km