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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 - Bellegarde-sur-Valserine Distance
Annecy Airport 37.3 km
Geneva Airport 38.3 km
La Dôle 47.8 km
Chambery/Aix Bains 51.6 km
Ambérieu-en-Bugey 55.8 km
Nyon (Changins) 56.6 km
Bière 75.1 km
Lyon- Saint-Exupéry Airport 92.1 km
Grenonble Lvd Airport 97.3 km
Grenoble- Isère Airport 98.1 km
Pully 105.1 km
Lyon- Bron Airport 106.2 km
Mathod 111.9 km
Tavaux 112.6 km
Dole Tavaux 113.2 km
Villars-Tiercelin 115.0 km
Mâcon 115.3 km
La Fretaz 117.8 km
Bourg-Saint-Maurice 118.4 km
Le Bouveret 120.3 km
Aigle 125.1 km
Oron 127.2 km
Besançon 128.7 km
La Brévine 131.8 km
Evionnaz 135.0 km
Moléson 142.5 km
Payerne 148.0 km
Neuchâtel 150.3 km
Dijon Air Base 152.7 km
Great St Bernard 152.9 km
Château-d'Œx 153.2 km
La Chaux-de-Fonds 153.6 km
Les Diablerets 156.4 km
Briançon 160.5 km
Les Attelas 161.6 km
Fey 161.7 km
Fribourg Posieux 162.4 km
Chaumont 166.6 km
Sion Airport 169.0 km
Cressier 173.5 km
Aosta Valley Airport 175.5 km
Gstaad-Skiarea 176.7 km
Chasseral 180.1 km
St Etienne/Boutheon 180.9 km
Boltigen 183.8 km
Crans-Montana 184.3 km
Embrun 186.0 km
Evolène 188.4 km
Mühleberg 189.2 km
Fahy 194.1 km
Luxeuil-les-Bains 196.4 km
Adelboden 199.8 km
Dorans 200.3 km
Langres Airport 200.4 km
Saint-Yan 203.4 km
Montélimar 206.9 km
Bern-Belp 208.0 km
Zollikofen 208.1 km
Wimmis 209.6 km
Pian Rosa 211.2 km
Grenchen 214.2 km
Zermatt 215.7 km
Gornergrat 219.6 km
Delémont 219.7 km
Monte Rosa-Plattje 223.0 km
Grächen 225.1 km
Château-Arnoux-Saint-Auban Airport 225.9 km
Blatten 226.2 km
Visp 226.7 km
Torino/Caselle 226.9 km
Turin-Aeritalia Airport 228.3 km
Koppigen 228.8 km
Aubenas/Vals-Lanas 237.1 km
Interlaken 237.2 km
Carpentras 239.2 km
Langnau im Emmental 240.2 km
Turin / Bric della Croce 243.8 km
Orange 243.9 km
Jungfraujoch 246.3 km
EuroAirport Basel Mulhouse Freiburg 251.6 km
Binningen 253.1 km
Wynau 253.2 km
Le Puy 254.5 km
Eggishorn 255.9 km
Napf 256.6 km
Schüpfheim 261.7 km
Avignon/Coumont 263.5 km
Cuneo Intl. Airport 264.9 km
Binn 265.9 km
Colmar 267.2 km
Vichy/Charmeil 269.3 km
Meiringen 271.0 km
Egolzwil 271.2 km
Rünenberg 273.2 km
Nancy/Ochey 275.5 km
Giswil 276.9 km
Müllheim 277.3 km
Obergösgen 277.7 km
Ulrichen 280.9 km
Möhlin 281.3 km