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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 - Étretat Distance
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
Shoreham Airport 137.2 km
Alencon/Valframbert 141.4 km
Lydd Airport 162.2 km
Gatwick Airport 167.0 km
Charlwood 167.7 km
Thorney Island 176.1 km
Kenley 181.5 km
Le Touquet 182.0 km
Biggin Hill 182.5 km
Cherbourg - Maupertus Airport 186.0 km
Abbeville 188.1 km
Boulogne-sur-Mer 193.7 km
St. Catherine's Point 193.8 km
Le Mans/Arnage 196.7 km
Chartres 199.5 km
London City Airport 201.1 km
St James's Park 204.3 km
Langdon Bay 204.6 km
Farnborough 206.5 km
Heathrow Airport 210.9 km
Laval Airport 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 Airport 222.6 km
Manston 223.9 km
Châteaudun 224.5 km
Trappes 227.3 km
Toussus-le-Noble 237.0 km
Cap de la Hague 237.5 km
Rothamsted Park 242.5 km
London Stansted Airport 243.1 km
Angers 244.9 km
Villacoublay/Velizy 245.7 km
Andrewsfield Aerodrome 246.1 km
High Wycombe 247.3 km
Luton Airport 250.2 km
Aérodrome de Blois 251.6 km
Middle Wallop 254.4 km
Bournemouth 256.5 km
Parc Montsouris 257.3 km
Tours/St Symphorien 257.8 km
Orléans 257.9 km
Benson 258.0 km
Paris-Le Bourget Airport 262.4 km
Creil 262.7 km
Angers 263.3 km
Orly Airport 266.5 km
Alderney Channel Is 267.2 km
Charles de Gaulle Airport 270.6 km
MoD Boscombe Down 271.6 km
Jersey Airport 272.5 km
Woburn 272.8 km
Larkhill 278.3 km
Cambridge 278.3 km
Cranfield Airport 279.3 km
Albert Airport 279.7 km
Méaulte 280.4 km
Dunkirk 281.0 km
Dinard/Pleurtuit 281.3 km
Rennes- Saint-Jacques Airport 281.6 km
Wattisham Airport 282.7 km
Bedford 290.3 km
London 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 Airport 312.7 km
Guernsey Airport 313.1 km
Koksijde 313.8 km
MoD 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
Ostend Airport 340.6 km
Church Lawford 341.5 km
Yeovil 347.0 km
Poitiers/Biard 347.1 km
Nantes Atlantique Airport 348.0 km
Beitem 351.7 km
Norwich Weather Centre 352.5 km
RAF Holbeach 353.3 km
Gloucestershire Airport 358.6 km