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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 - Mûr-de-Bretagne Distance
Saint-Brieuc Armor 39.9 km
Lorient South Brittany Airport 63.1 km
Lannion Airport 81.4 km
Groix 83.9 km
Ploumanac'h 88.6 km
Morlaix/Ploujean 102.9 km
Le Talut 104.0 km
Dinard/Pleurtuit 110.6 km
Quimper 134.2 km
Saint-Nazaire 134.5 km
Landivisiau 135.2 km
Rennes- Saint-Jacques Airport 139.9 km
Jersey Airport 142.8 km
Guernsey Airport 143.6 km
Brignogan-Plages 159.6 km
Penmarch 160.3 km
Guipavas 162.0 km
Lanvéoc/Poulmic 163.0 km
Saint-Sauveur 181.8 km
Alderney Channel Is 189.9 km
Nantes Atlantique Airport 192.5 km
Pointe du Raz 195.7 km
Cap de la Hague 205.2 km
Ushant 232.2 km
Cherbourg - Maupertus Airport 233.2 km
La Roche-sur-Yon 244.1 km
Laval Airport 250.1 km
Isle of Portland 264.4 km
Plymouth MtBatten 270.9 km
Angers 275.6 km
Exeter Airport 285.9 km
Phare de Chassiron 296.6 km
Dunkeswell Airport 297.1 km
La Rochelle Airport 300.5 km
Caen 302.5 km
North Wyke 302.9 km
Angers 305.7 km
Yeovil 313.7 km
Bournemouth 314.5 km
Cardinham 317.0 km
St. Catherine's Point 324.7 km
Liscombe 327.7 km
RNAS Culdrose 328.4 km
Cornwall Airport Newquay 334.8 km
Camborne 342.9 km
Alencon/Valframbert 344.2 km
RM Chivenor 345.7 km
Southampton Airport 348.2 km
Bristol / Lulsgate 355.1 km
Le Mans/Arnage 355.6 km
Niort 355.8 km
MoD Boscombe Down 357.4 km
Cardiff Airport 357.6 km
Larkhill 358.7 km
St Athan 359.8 km
Middle Wallop 364.1 km
Sainte-Adresse 369.1 km
Thorney Island 370.5 km
Le Havre/Octeville 372.2 km
Deauville-Saint-Gatien AP 373.9 km
Deauville-Saint-Gatien 373.9 km
MoD Lyneham 383.5 km
Mumbles 390.3 km
RAF Odiham 407.2 km
Poitiers/Biard 407.4 km
Cognac - Châteaubernard Air Base 409.4 km
Fairford Airport 409.4 km
Scilly St Mary 415.4 km
Shoreham Airport 419.7 km
Pembrey Burrows 419.9 km
Gloucestershire Airport 420.7 km
Tours/St Symphorien 421.5 km
Farnborough 422.6 km
RAF Brize Norton 425.6 km
RAF Little Rissington 431.7 km
Credenhill 432.2 km
Benson 434.5 km
Sennybridge 435.5 km
Cap Ferret 441.2 km
London Oxford Airport 444.9 km
Charlwood 448.6 km
Angoulême/Brie-Champniers 450.4 km
Shobdon 450.5 km
Milford Haven 451.6 km
Pershore 451.8 km
Gatwick Airport 452.7 km
Bordeaux/Merignac 453.7 km
Cazaux 456.9 km
High Wycombe 457.4 km
Heathrow Airport 461.1 km
Biscarrosse 461.6 km
Northolt 467.6 km
Aérodrome de Blois 470.7 km
Aberporth 471.1 km
Kenley 472.1 km
Trawscoed 472.8 km
Herstmonceux 473.9 km
Evreux/Fauville 476.3 km
Rouen/Boos 482.2 km
Biggin Hill 483.8 km