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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 - Caen Vzdálenost
Sainte-Adresse 67.5 km
Le Havre/Octeville 71.0 km
Deauville-Saint-Gatien (Letiště) 71.6 km
Deauville-Saint-Gatien 71.6 km
Alencon/Valframbert 103.5 km
Cherbourg - Maupertus (Letiště) 124.9 km
Laval Letiště 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 (Letiště) 184.6 km
Evreux/Fauville 186.5 km
Thorney Island 189.1 km
Rennes- Saint-Jacques (Letiště) 189.2 km
Angers 190.6 km
Dieppe 191.7 km
Dinard/Pleurtuit 192.0 km
Jersey Letiště 194.8 km
Alderney Channel Is 203.6 km
Herstmonceux 208.3 km
Southampton Letiště 218.4 km
Charlwood 219.6 km
Letiště London Gatwick 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 (Letiště) 240.9 km
Biggin Hill 245.0 km
Aérodrome de Blois 249.5 km
Lydd (Letiště) 250.7 km
Middle Wallop 251.7 km
Letiště London Heathrow 255.6 km
Nantes Atlantique (Letiště) 260.5 km
St. James's Park 260.8 km
Northolt 261.9 km
Letiště London 263.8 km
MoD Boscombe Down 263.9 km
Portland 267.5 km
Larkhill 270.1 km
Le Touquet-Paris-Plage 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
Letiště London Southend 294.8 km
La Roche-sur-Yon 295.3 km
Langdon Bay 295.4 km
Villacoublay/Velizy 298.6 km
Letiště London Luton 299.7 km
Shoeburyness 299.8 km
Poitiers/Biard 301.2 km
Letiště London Stansted 310.0 km
RAF Lyneham 310.1 km
Oxford (Letiště) 310.8 km
RAF Brize Norton 312.9 km
Parc Montsouris 312.9 km
Manston 313.6 km
Fairford (Letiště) 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
Letiště Paříž-Orly 319.7 km
Cranfield (Letiště) 322.1 km
Letiště Paříž 322.7 km
RAF Little Rissington 328.5 km
Creil 330.3 km
Letiště Charlese de Gaulla 332.6 km
Bedford 337.7 km
Ploumanac'h 338.1 km
Lannion Letiště 339.3 km
Cambridge 343.1 km
La Rochelle Letiště 344.6 km
Saint-Sauveur 346.9 km
Bristol / Lulsgate 351.7 km
Melun 354.5 km
Châteauroux 354.7 km
Gloucestershire Letiště 356.6 km
Lorient South Brittany (Letiště) 359.2 km
Albert Letiště 361.2 km
Méaulte 361.9 km
Dunkeswell (Letiště) 362.3 km
Wattisham (Letiště) 362.9 km
Phare de Chassiron 365.1 km