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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 - Gisors Distance
Cormeilles 35.6 km
Beauvais/Tille 42.3 km
Trappes 63.1 km
Rouen/Boos 67.7 km
Toussus-le-Noble 69.2 km
Evreux/Fauville 69.7 km
Villacoublay/Velizy 73.9 km
Parc Montsouris 80.3 km
Paris-Le Bourget Airport 81.2 km
Creil 81.7 km
Charles de Gaulle Airport 88.6 km
Orly Airport 91.8 km
Abbeville 94.7 km
Chartres 96.2 km
Dieppe 105.0 km
Melun 124.6 km
Albert Airport 127.4 km
Méaulte 127.9 km
Le Touquet 138.5 km
Châteaudun 142.5 km
Orléans 144.2 km
Boulogne-sur-Mer 162.6 km
Saint-Quentin 168.5 km
Deauville-Saint-Gatien AP 180.2 km
Deauville-Saint-Gatien 180.2 km
Aérodrome de Blois 189.5 km
Le Havre/Octeville 191.3 km
Sainte-Adresse 192.6 km
Lille Airport 204.6 km
Dunkirk 205.9 km
Lydd Airport 208.5 km
Alencon/Valframbert 209.9 km
Langdon Bay 211.4 km
Romorantin-Lanthenay 218.7 km
Koksijde 223.1 km
Le Mans/Arnage 231.6 km
Beitem 233.8 km
Manston 235.0 km
Tours/St Symphorien 236.0 km
Herstmonceux 242.2 km
Ostend Airport 244.9 km
Caen 248.9 km
Bourges 255.0 km
Auxerre 255.3 km
Reims - Prunay Aerodrome 264.3 km
Avord 266.5 km
Châteauroux 268.6 km
Chièvres 269.5 km
Troyes - Barberey Airport 270.6 km
Châlons Vatry Airport 271.0 km
Shoeburyness 274.3 km
Zeebrugge 278.6 km
Gavere 278.6 km
London Southend Airport 282.0 km
Brighton City Airport 287.6 km
Aéroport de Nevers-Fourchambault 294.1 km
Melle 294.6 km
Biggin Hill 299.9 km
Gatwick Airport 301.8 km
Angers 302.0 km
Charlwood 305.2 km
Kenley 306.8 km
London City Airport 313.2 km
Laval Airport 313.9 km
Vlissingen 314.5 km
Westdorpe 316.2 km
Charleville-Mézières 322.1 km
Charleroi / Gosselies 324.7 km
St James's Park 326.4 km
Dourbes 326.4 km
Andrewsfield Aerodrome 326.5 km
Wattisham Airport 329.2 km
Uccle 332.5 km
Angers 334.0 km
Florennes 336.1 km
London Stansted Airport 336.9 km
Poitiers/Biard 342.9 km
Wilhelminadorp 343.6 km
Euro Platform 344.5 km
Thorney Island 346.1 km
Guéret Airport 346.3 km
Heathrow Airport 348.7 km
Northolt 351.3 km
Ernage 352.9 km
St Dizier/Robinson 354.4 km
Brussels Airport 355.0 km
Farnborough 360.7 km
Le Goeree 361.6 km
Sint-Katelijne-Waver 364.4 km
Cherbourg - Maupertus Airport 364.5 km
Stabroek 366.1 km
Antwerpen / Deurne 366.9 km
Rothamsted Park 368.4 km
Beauvechain 369.9 km
Cambridge 370.3 km
Mildenhall Royal Air Force 371.8 km
Woensdrecht 372.3 km
St. Catherine's Point 372.5 km
RAF Odiham 373.7 km
Lakenheath 374.1 km