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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 - Nontron Distance
Angoulême/Brie-Champniers 54.1 km
Limoges/Bellegarde 67.8 km
Bergerac/Roumanier 81.5 km
Brive-la-Gaillarde 99.6 km
Brive- Souillac Airport 106.4 km
Cognac - Châteaubernard Air Base 110.5 km
Gourdon 119.4 km
Poitiers/Biard 123.8 km
Niort 147.3 km
Agen/La Garenne 151.7 km
Guéret Airport 159.8 km
Bordeaux/Merignac 169.3 km
Montauban 185.0 km
Châteauroux 190.9 km
Aérodrome d'Auch 206.1 km
Aurillac 207.8 km
Tours/St Symphorien 212.8 km
La Rochelle Airport 219.1 km
Mont-de-Marsan 222.9 km
Toulouse/Blagnac 225.4 km
Romorantin-Lanthenay 229.0 km
Cazaux 229.2 km
Cap Ferret 235.7 km
Rodez- Marcillac Airport 237.6 km
Phare de Chassiron 238.3 km
Muret - Lherm Aerodrome 241.0 km
Aérodrome d'Albi 241.7 km
Biscarrosse 245.9 km
Aérodrome de Blois 246.5 km
Angers 250.6 km
Bourges 254.8 km
Angers 259.3 km
La Roche-sur-Yon 262.6 km
Pau Pyrénées Airport 268.4 km
Tarbes/Ossun 271.9 km
Le Mans/Arnage 272.2 km
Avord 277.9 km
Clermont/Aulnat 279.7 km
Dax 281.9 km
Castres-Mazamet Airport 284.6 km
Saint-Girons 285.2 km
Châteaudun 293.0 km
Orléans 299.1 km
Millau 305.4 km
Nantes Atlantique Airport 310.7 km
Vichy/Charmeil 312.2 km
Carcassonne 315.9 km
Arties 316.2 km
Aéroport de Nevers-Fourchambault 317.3 km
Laval Airport 319.3 km
Alencon/Valframbert 328.9 km
Mende 329.7 km
Biarritz/Anglet 336.0 km
Chartres 339.4 km
Le Puy 348.7 km
Ciboure 354.0 km
Saint-Sauveur 358.3 km
Mont Aigoual 360.5 km
San Sebastian / Fuenterrabia 364.8 km
La Seu d'Urgell Airport 365.0 km
Saint-Nazaire 372.1 km
Saint-Yan 385.6 km
Béziers Cap d'Agde Airport 387.2 km
Béziers Cap d'Agde Airport 387.2 km
Rennes- Saint-Jacques Airport 388.7 km
Trappes 389.9 km
San Sebastian / Igueldo 390.2 km
Toussus-le-Noble 392.4 km
Evreux/Fauville 392.5 km
Ilundain 392.6 km
Leucate 395.1 km
Perpignan/Rivesalte 396.3 km
Villacoublay/Velizy 398.2 km
Huesca 399.9 km
Pamplona 400.5 km
Orly Airport 402.5 km
St Etienne/Boutheon 403.7 km
Auxerre 408.7 km
Melun 410.0 km
Parc Montsouris 410.5 km
Sète 411.2 km
Cormeilles 423.3 km
Caen 424.9 km
Montpellier Airport 426.6 km
Aubenas/Vals-Lanas 426.6 km
Elgoibar 429.5 km
Deauville-Saint-Gatien AP 430.1 km
Deauville-Saint-Gatien 430.3 km
Paris-Le Bourget Airport 430.4 km
Rouen/Boos 432.4 km
Port-Vendres/Cap Bear 433.6 km
Lleida 434.7 km
Bardenas Reales 439.5 km
Charles de Gaulle Airport 439.8 km
Sainte-Adresse 446.6 km
Le Havre/Octeville 450.0 km
Dinard/Pleurtuit 455.9 km
Bujaraloz 456.2 km
Nîmes/Courbessac 456.9 km
Nîmes/Garons 461.8 km