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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.


Stations météo à proximité - Plumelec Distance
Saint-Nazaire 78.1 km
Lorient-Bretagne-Sud (Aéroport) 80.1 km
Saint-Brieuc Armor 81.5 km
Le Talut 88.5 km
Groix 98.6 km
Rennes-Bretagne (Aéroport) 103.5 km
Dinard/Pleurtuit 104.6 km
Saint-Sauveur 130.4 km
Nantes-Atlantique (Aéroport) 137.1 km
Lannion Aéroport 137.8 km
Ploumanac'h 144.8 km
Morlaix/Ploujean 156.9 km
Jersey Aéroport 161.2 km
Quimper 171.5 km
Guernesey Aéroport 178.0 km
Landivisiau 185.9 km
La Roche-sur-Yon 187.8 km
Penmarch 193.0 km
Lanvéoc/Poulmic 207.7 km
Guipavas 210.0 km
Brignogan-Plages 211.5 km
Laval Aéroport 211.6 km
Alderney Channel Is 214.9 km
Hague 223.5 km
Angers 228.2 km
Pointe du Raz 234.8 km
Cherbourg (Aéroport) 240.0 km
Phare de Chassiron 240.8 km
La Rochelle Aéroport 244.2 km
Aéroport d'Angers-Loire 260.2 km
Ouessant 278.5 km
Caen 285.7 km
Île de Portland 299.1 km
Niort 300.5 km
Alençon/Valframbert 311.5 km
Le Mans/Arnage 315.6 km
Plymouth MtBatten 325.5 km
Exeter Aéroport 334.1 km
Bournemouth 340.0 km
St. Catherine's Point 340.0 km
Dunkeswell (Aéroport) 343.2 km
Yeovil 352.1 km
Base aérienne 709 Cognac-Châteaubernard 353.0 km
Sainte-Adresse 353.2 km
Poitiers/Biard 354.9 km
North Wyke 355.2 km
Deauville-Saint-Gatien AP 355.3 km
Deauville-Saint-Gatien 355.3 km
Le Havre/Octeville 356.7 km
Southampton Aéroport 367.8 km
Cardinham 373.0 km
Tours/St Symphorien 376.6 km
Liscombe 376.9 km
Thorney Island 382.5 km
MoD Boscombe Down 383.6 km
Royal Naval Air Station Culdrose 384.4 km
Larkhill 385.8 km
Middle Wallop 387.6 km
Cap Ferret 387.9 km
Newquay Cornouailles (Aéroport) 391.1 km
Angoulême/Brie-Champniers 394.7 km
Bristol (Aéroport) 394.8 km
Bordeaux/Merignac 398.2 km
Royal Marines Base Chivenor 398.7 km
Camborne 399.1 km
Cazaux 403.3 km
Cardiff Aéroport 403.9 km
St Athan 407.0 km
Biscarrosse 408.7 km
RAF Lyneham 414.4 km
RAF Odiham 423.0 km
Shoreham (Aéroport) 424.1 km
Aérodrome de Blois 428.5 km
Farnborough 436.5 km
Fairford Aéroport 438.3 km
Mumbles 441.3 km
Châteaudun 447.9 km
Evreux/Fauville 448.4 km
RAF Brize Norton 452.2 km
Gloucestershire Aéroport 454.5 km
Benson 454.6 km
Charlwood 455.3 km
Rouen/Boos 458.6 km
Londres-Gatwick (Aéroport) 458.9 km
RAF Little Rissington 460.1 km
Chartres 465.5 km
Aéroport d'Oxford Kidlington 468.8 km
St Mary de Scilly 469.1 km
Pembrey Burrows 472.6 km
Herstmonceux 472.9 km
Londres-Heathrow (Aéroport) 472.9 km
High Wycombe 474.5 km
Dieppe 476.8 km
Limoges/Bellegarde 477.7 km
Kenley 478.8 km
Northolt 479.6 km
Romorantin-Lanthenay 484.4 km
Bergerac/Roumanier 485.5 km
Orléans 489.4 km
Biggin Hill 489.4 km