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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.


Poblíž povětrnostní stanice - Les Andelys Vzdálenost
Rouen/Boos 29.3 km
Evreux/Fauville 31.6 km
Cormeilles 72.5 km
Beauvais/Tille 83.9 km
Dieppe 84.8 km
Chartres 86.0 km
Trappes 86.1 km
Toussus-le-Noble 95.1 km
Villacoublay/Velizy 103.1 km
Abbeville 111.2 km
Parc Montsouris 114.0 km
Letiště Paříž 119.6 km
Letiště Paříž-Orly 123.6 km
Creil 124.3 km
Letiště Charlese de Gaulla 128.4 km
Châteaudun 129.8 km
Deauville-Saint-Gatien (Letiště) 138.0 km
Deauville-Saint-Gatien 138.1 km
Orléans 144.3 km
Le Touquet-Paris-Plage 144.8 km
Le Havre/Octeville 150.3 km
Sainte-Adresse 151.4 km
Melun 158.5 km
Albert Letiště 166.2 km
Méaulte 166.8 km
Boulogne-sur-Mer 168.4 km
Alencon/Valframbert 169.9 km
Aérodrome de Blois 174.2 km
Le Mans/Arnage 196.9 km
Lydd (Letiště) 198.5 km
Caen 206.0 km
Saint-Quentin 210.6 km
Langdon Bay 211.5 km
Tours/St Symphorien 212.7 km
Romorantin-Lanthenay 215.3 km
Herstmonceux 220.4 km
Dunkerk 227.3 km
Manston 235.6 km
Lille (Letiště) 240.4 km
Koksijde 249.2 km
Brighton City (Letiště) 258.5 km
Bourges 264.0 km
Châteauroux 265.7 km
Shoeburyness 266.1 km
Angers 266.5 km
Beitem 266.9 km
Letiště London Southend 271.8 km
Ostende Letiště 273.0 km
Laval Letiště 273.5 km
Letiště London Gatwick 276.7 km
Biggin Hill 278.7 km
Charlwood 279.6 km
Avord 279.9 km
Kenley 284.0 km
Auxerre 286.3 km
Letiště London 293.7 km
Angers 297.4 km
St. James's Park 304.9 km
Reims - Prunay Aerodrome 306.9 km
Troyes - Barberey (Letiště) 308.4 km
Zeebrugge 309.0 km
Chièvres 309.1 km
Châlons Vatry (Letiště) 311.9 km
Thorney Island 312.8 km
Aéroport de Nevers-Fourchambault 313.3 km
Andrewsfield Aerodrome 314.7 km
Gavere 315.3 km
Poitiers/Biard 319.4 km
Letiště London Stansted 322.3 km
Cherbourg - Maupertus (Letiště) 322.9 km
Letiště London Heathrow 323.9 km
Wattisham (Letiště) 325.5 km
Northolt 327.2 km
Melle 331.7 km
Farnborough 332.0 km
St. Catherine's Point 336.0 km
RAF Odiham 343.5 km
Guéret Letiště 345.7 km
Rothamsted Park 346.9 km
Vlissingen 347.5 km
Westdorpe 352.2 km
Letiště London Luton 353.8 km
Cambridge 356.9 km
Southampton Letiště 362.7 km
Mildenhall Royal Air Force 362.8 km
Charleville-Mézières 365.1 km
Charleroi / Gosselies 366.2 km
Lakenheath 366.3 km
High Wycombe 366.5 km
Dourbes 369.0 km
Euro Platform 371.6 km
Rennes- Saint-Jacques (Letiště) 372.2 km
Uccle 372.5 km
Cap de la Hague 374.9 km
Limoges/Bellegarde 375.9 km
Wilhelminadorp 378.0 km
Florennes 378.5 km
Niort 381.5 km
Woburn 381.5 km
Norwich Weather Centre 383.4 km