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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 - Caen Distance
Sainte-Adresse 67.5 km
Le Havre/Octeville 71.0 km
Deauville-Saint-Gatien AP 71.6 km
Deauville-Saint-Gatien 71.6 km
Alencon/Valframbert 103.5 km
Cherbourg - Maupertus Airport 124.9 km
Laval Airport 132.3 km
Le Mans/Arnage 156.8 km
Cap de la Hague 175.5 km
Angers 181.3 km
St. Catherine's Point 182.3 km
Rouen/Boos 183.2 km
Brighton City Airport 184.6 km
Evreux/Fauville 186.5 km
Thorney Island 189.1 km
Rennes- Saint-Jacques Airport 189.2 km
Angers 190.6 km
Dieppe 191.7 km
Dinard/Pleurtuit 192.0 km
Jersey Airport 194.8 km
Alderney Channel Is 203.6 km
Herstmonceux 208.3 km
Southampton Airport 218.4 km
Charlwood 219.6 km
Gatwick Airport 220.9 km
Chartres 231.3 km
Tours/St Symphorien 233.8 km
RAF Odiham 235.4 km
Bournemouth 235.4 km
Farnborough 236.4 km
Châteaudun 239.0 km
Kenley 239.4 km
Guernsey Airport 240.9 km
Biggin Hill 245.0 km
Aérodrome de Blois 249.5 km
Lydd Airport 250.7 km
Middle Wallop 251.7 km
Heathrow Airport 255.6 km
Nantes Atlantique Airport 260.5 km
St James's Park 260.8 km
Northolt 261.9 km
London City Airport 263.8 km
MoD Boscombe Down 263.9 km
Isle of Portland 267.5 km
Larkhill 270.1 km
Le Touquet 273.8 km
Abbeville 275.3 km
Cormeilles 276.7 km
Saint-Brieuc Armor 276.8 km
Trappes 278.5 km
Orléans 279.8 km
Benson 280.7 km
High Wycombe 281.0 km
Saint-Nazaire 282.4 km
Boulogne-sur-Mer 286.1 km
Beauvais/Tille 287.5 km
Toussus-le-Noble 288.6 km
Rothamsted Park 292.1 km
London Southend Airport 294.8 km
La Roche-sur-Yon 295.3 km
Langdon Bay 295.4 km
Villacoublay/Velizy 298.6 km
Luton Airport 299.7 km
Shoeburyness 299.8 km
Poitiers/Biard 301.2 km
London Stansted Airport 310.0 km
RAF Lyneham 310.1 km
Oxford Airport 310.8 km
RAF Brize Norton 312.9 km
Parc Montsouris 312.9 km
Manston 313.6 km
Fairford Airport 315.6 km
Romorantin-Lanthenay 315.7 km
Woburn 315.8 km
Yeovil 316.1 km
Andrewsfield Aerodrome 318.2 km
Niort 319.2 km
Orly Airport 319.7 km
Cranfield Airport 322.1 km
Paris-Le Bourget Airport 322.7 km
RAF Little Rissington 328.5 km
Creil 330.3 km
Charles de Gaulle Airport 332.6 km
Bedford 337.7 km
Ploumanac'h 338.1 km
Lannion Airport 339.3 km
Cambridge 343.1 km
La Rochelle Airport 344.6 km
Saint-Sauveur 346.9 km
Bristol / Lulsgate 351.7 km
Melun 354.5 km
Châteauroux 354.7 km
Gloucestershire Airport 356.6 km
Lorient South Brittany Airport 359.2 km
Albert Airport 361.2 km
Méaulte 361.9 km
Dunkeswell Airport 362.3 km
Wattisham Airport 362.9 km
Phare de Chassiron 365.1 km