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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 - Saint-Gildas-des-Bois Distance
Saint-Nazaire 27.0 km
Nantes Atlantique Airport 62.4 km
Rennes- Saint-Jacques Airport 69.9 km
Saint-Sauveur 96.8 km
La Roche-sur-Yon 116.2 km
Dinard/Pleurtuit 118.7 km
Le Talut 134.2 km
Saint-Brieuc Armor 145.1 km
Lorient South Brittany Airport 149.2 km
Laval Airport 154.6 km
Angers 158.0 km
Groix 163.9 km
La Rochelle Airport 175.9 km
Phare de Chassiron 177.6 km
Jersey Airport 190.0 km
Angers 191.7 km
Lannion Airport 210.4 km
Ploumanac'h 216.5 km
Guernsey Airport 222.3 km
Niort 225.6 km
Morlaix/Ploujean 232.2 km
Quimper 243.0 km
Cap de la Hague 245.0 km
Alderney Channel Is 245.4 km
Cherbourg - Maupertus Airport 245.5 km
Le Mans/Arnage 252.9 km
Caen 255.9 km
Alencon/Valframbert 258.5 km
Landivisiau 261.4 km
Penmarch 261.6 km
Poitiers/Biard 279.7 km
Cognac - Châteaubernard Air Base 280.9 km
Lanvéoc/Poulmic 281.6 km
Guipavas 284.9 km
Brignogan-Plages 287.0 km
Pointe du Raz 306.0 km
Tours/St Symphorien 307.4 km
Deauville-Saint-Gatien AP 319.8 km
Deauville-Saint-Gatien 320.0 km
Angoulême/Brie-Champniers 320.3 km
Sainte-Adresse 321.5 km
Le Havre/Octeville 325.4 km
Cap Ferret 332.5 km
Bordeaux/Merignac 334.3 km
Isle of Portland 336.9 km
Cazaux 346.8 km
St. Catherine's Point 350.9 km
Ushant 352.6 km
Biscarrosse 354.2 km
Aérodrome de Blois 361.8 km
Bournemouth 364.1 km
Southampton Airport 383.0 km
Châteaudun 385.2 km
Thorney Island 387.3 km
Exeter Airport 389.3 km
Plymouth MtBatten 391.9 km
Yeovil 393.2 km
Dunkeswell Airport 395.3 km
Evreux/Fauville 398.5 km
Limoges/Bellegarde 402.2 km
Chartres 407.3 km
MoD Boscombe Down 407.3 km
Middle Wallop 407.6 km
Larkhill 410.6 km
Bergerac/Roumanier 413.4 km
Rouen/Boos 414.0 km
Romorantin-Lanthenay 414.8 km
North Wyke 416.8 km
Shoreham Airport 417.4 km
Orléans 425.6 km
Châteauroux 426.3 km
RAF Odiham 431.6 km
Liscombe 433.2 km
Mont-de-Marsan 435.7 km
Bristol / Lulsgate 436.7 km
Dax 439.1 km
Dieppe 440.5 km
Farnborough 442.2 km
Cardinham 442.7 km
MoD Lyneham 443.5 km
Charlwood 450.9 km
Gatwick Airport 453.8 km
Biarritz/Anglet 454.0 km
Cardiff Airport 455.4 km
Herstmonceux 457.7 km
RNAS Culdrose 458.4 km
St Athan 459.7 km
Ciboure 460.3 km
RM Chivenor 461.2 km
Cornwall Airport Newquay 462.9 km
San Sebastian / Fuenterrabia 463.2 km
Fairford Airport 464.2 km
Guéret Airport 467.9 km
Benson 468.3 km
San Sebastian / Igueldo 468.4 km
Brive-la-Gaillarde 471.1 km
Camborne 472.8 km
Agen/La Garenne 473.4 km
Punta Galea Golf 473.6 km
Kenley 473.7 km