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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 - Carteret Distance
Cap de la Hague 41.7 km
Jersey Airport 47.6 km
Cherbourg - Maupertus Airport 48.4 km
Alderney Channel Is 59.2 km
Guernsey Airport 89.4 km
Dinard/Pleurtuit 92.1 km
Rennes- Saint-Jacques Airport 144.6 km
St. Catherine's Point 146.4 km
Isle of Portland 147.0 km
Saint-Brieuc Armor 149.2 km
Caen 151.7 km
Bournemouth 157.7 km
Southampton Airport 176.3 km
Thorney Island 188.4 km
Laval Airport 189.5 km
Ploumanac'h 194.8 km
Lannion Airport 197.8 km
Middle Wallop 200.1 km
MoD Boscombe Down 200.4 km
Larkhill 204.0 km
Yeovil 204.0 km
Sainte-Adresse 208.3 km
Le Havre/Octeville 210.5 km
Deauville-Saint-Gatien 218.9 km
Deauville-Saint-Gatien AP 219.0 km
RAF Odiham 229.1 km
Dunkeswell Airport 230.9 km
Saint-Nazaire 232.1 km
Shoreham Airport 234.8 km
Exeter Airport 234.9 km
Alencon/Valframbert 235.6 km
MoD Lyneham 238.7 km
Morlaix/Ploujean 240.1 km
Farnborough 242.3 km
Bristol / Lulsgate 246.5 km
Nantes Atlantique Airport 247.6 km
Lorient South Brittany Airport 247.9 km
Angers 248.1 km
Fairford Airport 257.6 km
Angers 260.5 km
Benson 262.7 km
Charlwood 264.0 km
RAF Brize Norton 267.3 km
Gatwick Airport 267.9 km
Groix 268.8 km
Le Mans/Arnage 273.9 km
Liscombe 276.7 km
RAF Little Rissington 277.7 km
Landivisiau 277.8 km
Heathrow Airport 279.0 km
Le Talut 279.3 km
London Oxford Airport 280.0 km
Plymouth MtBatten 280.8 km
High Wycombe 280.8 km
North Wyke 280.8 km
Cardiff Airport 283.7 km
Gloucestershire Airport 283.8 km
Northolt 285.7 km
Kenley 287.5 km
Herstmonceux 290.3 km
St Athan 290.7 km
Brignogan-Plages 292.1 km
Biggin Hill 299.0 km
La Roche-sur-Yon 300.3 km
St James's Park 301.9 km
Saint-Sauveur 302.5 km
Quimper 305.6 km
Guipavas 308.6 km
Pershore 310.8 km
London City Airport 314.3 km
Rothamsted Park 315.4 km
Lanvéoc/Poulmic 318.2 km
Luton Airport 321.4 km
Credenhill 322.0 km
Woburn 323.8 km
RM Chivenor 323.8 km
Cranfield Airport 328.7 km
Dieppe 328.9 km
Rouen/Boos 332.1 km
Penmarch 334.6 km
Church Lawford 337.0 km
Evreux/Fauville 338.1 km
Shobdon 342.7 km
Birmingham Airport 343.2 km
Cardinham 343.2 km
Mumbles 344.8 km
Coleshill 347.0 km
Bedford 349.4 km
Lydd Airport 352.5 km
Tours/St Symphorien 353.4 km
Pointe du Raz 358.6 km
London Stansted Airport 360.1 km
La Rochelle Airport 361.2 km
Sennybridge 362.0 km
Cosford 367.4 km
Cosford 368.5 km
Cosford 368.5 km
London Southend Airport 370.7 km
Phare de Chassiron 371.9 km
Niort 373.5 km