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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 - Alès Distance
Nîmes/Courbessac 48.1 km
Aubenas/Vals-Lanas 54.5 km
Nîmes/Garons 55.8 km
Mont Aigoual 55.9 km
Montpellier Airport 62.4 km
Mende 82.9 km
Orange 83.5 km
Montélimar 87.9 km
Sète 92.8 km
Avignon/Coumont 94.5 km
Carpentras 107.8 km
Le Puy 111.2 km
Istres 115.3 km
Millau 118.8 km
Béziers Cap d'Agde Airport 121.2 km
Béziers Cap d'Agde Airport 121.4 km
Salon-de-Provence 127.7 km
Marseille Provence Airport 147.8 km
St Etienne/Boutheon 157.1 km
Leucate 176.3 km
Rodez- Marcillac Airport 180.8 km
Grenoble- Isère Airport 194.5 km
Lyon- Bron Airport 200.7 km
Aurillac 203.4 km
Perpignan/Rivesalte 206.3 km
Port-Vendres/Cap Bear 208.4 km
Lyon- Saint-Exupéry Airport 208.6 km
Castres-Mazamet Airport 209.8 km
Clermont/Aulnat 209.8 km
Château-Arnoux-Saint-Auban Airport 211.6 km
Aérodrome d'Albi 220.7 km
Carcassonne 222.6 km
Grenonble Lvd Airport 230.6 km
Saint-Mandrier-sur-Mer 236.6 km
Vichy/Charmeil 238.4 km
Ambérieu-en-Bugey 248.0 km
Mâcon 253.4 km
Saint-Yan 253.7 km
Hyeres/Le Palyvestr 257.0 km
Chambery/Aix Bains 260.5 km
Le Luc 269.2 km
Embrun 273.3 km
Girona 288.2 km
Briançon 298.6 km
Annecy Airport 300.6 km
Montauban 300.8 km
Brive- Souillac Airport 306.2 km
Gourdon 306.5 km
Toulouse/Blagnac 307.5 km
Brive-la-Gaillarde 311.6 km
Muret - Lherm Aerodrome 323.1 km
Cannes 326.0 km
Geneva Airport 326.7 km
Guéret Airport 328.5 km
Aéroport de Nevers-Fourchambault 336.1 km
La Dôle 339.0 km
Bourg-Saint-Maurice 340.4 km
Nyon (Changins) 346.7 km
Nice 352.7 km
Tavaux 354.3 km
Saint-Girons 354.6 km
Dole Tavaux 355.9 km
La Seu d'Urgell Airport 358.7 km
Avord 361.3 km
Sabadell 364.4 km
Bière 365.4 km
Dijon Air Base 365.5 km
Barcelona 370.0 km
Limoges/Bellegarde 376.1 km
Bourges 377.9 km
Barcelona Airport 387.2 km
Agen/La Garenne 388.4 km
Pully 390.2 km
Arties 390.9 km
Aérodrome d'Auch 391.0 km
Great St Bernard 393.8 km
Cuneo Intl. Airport 395.8 km
Le Bouveret 397.5 km
Aigle 398.6 km
Evionnaz 398.6 km
Châteauroux 400.6 km
Villars-Tiercelin 401.9 km
Mathod 402.2 km
Bergerac/Roumanier 404.2 km
Aosta Valley Airport 404.6 km
Besançon 405.4 km
Turin-Aeritalia Airport 405.8 km
La Fretaz 408.7 km
Oron 410.4 km
Auxerre 413.2 km
Monte Malanotte 413.9 km
Torino/Caselle 414.3 km
Les Attelas 416.1 km
Mondovì 416.5 km
Turin / Bric della Croce 418.4 km
Fey 420.9 km
Moléson 422.1 km
La Brévine 423.0 km
Les Diablerets 423.9 km
Château-d'Œx 428.2 km