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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.


Estações Meteorológicas Próximas - Étretat Distância
Le Havre/Octeville 22.6 km
Sainte-Adresse 26.8 km
Deauville-Saint-Gatien 37.3 km
Deauville-Saint-Gatien AP 37.5 km
Caen 92.4 km
Dieppe 103.5 km
Rouen/Boos 115.0 km
Herstmonceux 133.2 km
Evreux/Fauville 136.4 km
Brighton City Airport 137.2 km
Alencon/Valframbert 141.4 km
Lydd Airport 162.2 km
Aeroporto de Londres Gatwick 167.0 km
Charlwood 167.7 km
Thorney Island 176.1 km
Kenley 181.5 km
Le Touquet-Paris-Plage 182.0 km
Biggin Hill 182.5 km
Cherbourg - Maupertus Airport 186.0 km
Abbeville 188.1 km
Bolonha do Mar 193.7 km
St. Catherine's Point 193.8 km
Le Mans/Arnage 196.7 km
Chartres 199.5 km
Londres 201.1 km
St. James's Park 204.3 km
Langdon Bay 204.6 km
Farnborough 206.5 km
Aeroporto de Londres-Heathrow 210.9 km
Laval Aeroporto 213.4 km
RAF Odiham 213.5 km
Beauvais/Tille 214.9 km
Cormeilles 215.3 km
London Southend Airport 215.5 km
Northolt 216.0 km
Shoeburyness 217.9 km
Southampton Aeroporto 222.6 km
Manston 223.9 km
Châteaudun 224.5 km
Trappes 227.3 km
Toussus-le-Noble 237.0 km
Cabo de la Hague 237.5 km
Rothamsted Park 242.5 km
Aeroporto de Londres Stansted 243.1 km
Angers 244.9 km
Villacoublay/Velizy 245.7 km
Andrewsfield Aerodrome 246.1 km
High Wycombe 247.3 km
Aeroporto de Londres Luton 250.2 km
Aérodrome de Blois 251.6 km
Middle Wallop 254.4 km
Bournemouth 256.5 km
Parque Montsouris 257.3 km
Tours/St Symphorien 257.8 km
Orleães 257.9 km
Benson 258.0 km
Aeroporto de Paris-Le Bourget 262.4 km
Creil 262.7 km
Angers 263.3 km
Aeroporto de Paris-Orly 266.5 km
Alderney Channel Is 267.2 km
Aeroporto de Paris-Charles de Gaulle 270.6 km
MoD Boscombe Down 271.6 km
Jersey Aeroporto 272.5 km
Woburn 272.8 km
Larkhill 278.3 km
Cambridge 278.3 km
Cranfield Airport 279.3 km
Albert Aeroporto 279.7 km
Méaulte 280.4 km
Dunquerque 281.0 km
Dinard/Pleurtuit 281.3 km
Rennes- Saint-Jacques Airport 281.6 km
Wattisham Airport 282.7 km
Bedford 290.3 km
Oxford Airport 291.9 km
Mildenhall Royal Air Force 298.0 km
Melun 301.6 km
RAF Brize Norton 302.8 km
Lakenheath 305.2 km
Isle of Portland 308.7 km
Romorantin-Lanthenay 312.4 km
Fairford Aeroporto 312.7 km
Guernsey Airport 313.1 km
Koksijde 313.8 km
RAF Lyneham 316.0 km
RAF Little Rissington 319.7 km
Marham 330.9 km
Wittering 332.3 km
Saint-Quentin 334.2 km
Lille Airport 336.8 km
Oostende Aeroporto 340.6 km
Church Lawford 341.5 km
Yeovil 347.0 km
Poitiers/Biard 347.1 km
Aeroporto Nantes Atlantique 348.0 km
Beitem 351.7 km
Norwich Weather Centre 352.5 km
Holbeach Air Weapons Range 353.3 km
Gloucester Aeroporto 358.6 km