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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 - Sembadel Distance
Le Puy 24.1 km
St Etienne/Boutheon 73.3 km
Clermont/Aulnat 80.0 km
Mende 87.1 km
Vichy/Charmeil 103.1 km
Aubenas/Vals-Lanas 112.8 km
Mont Aigoual 129.6 km
Saint-Yan 131.2 km
Montélimar 140.4 km
Aurillac 147.8 km
Lyon- Bron Airport 148.0 km
Millau 149.4 km
Lyon- Saint-Exupéry Airport 162.8 km
Rodez- Aveyron Airport 165.2 km
Mâcon 167.9 km
Nîmes/Courbessac 178.3 km
Orange 180.8 km
Alpes 183.4 km
Nîmes/Garons 188.1 km
Montpellier Airport 191.4 km
Ambérieu-en-Bugey 199.1 km
Aéroport de Nevers-Fourchambault 200.9 km
Carpentras 202.2 km
Avignon/Coumont 204.3 km
Sète 209.2 km
Guéret Airport 216.9 km
Béziers Cap d'Agde Airport 220.8 km
Béziers Cap d'Agde Airport 221.0 km
Avord 227.6 km
Aérodrome d'Albi 231.8 km
Istres 239.4 km
Grenonble Lvd Airport 241.1 km
Salon-de-Provence 244.5 km
Brive- Souillac Airport 246.1 km
Brive-la-Gaillarde 246.4 km
Bourges 246.5 km
Castres-Mazamet Airport 246.9 km
Chambery/Aix Bains 247.7 km
Gourdon 261.0 km
Marseille Provence Airport 266.6 km
Flughafen Dijon-Bourgogne 270.3 km
Leucate 271.8 km
Tavaux 273.8 km
Dole Tavaux 275.4 km
Carcassonne 276.2 km
Châteauroux 279.0 km
Annecy Airport 279.0 km
Auxerre 281.6 km
Limoges/Bellegarde 286.1 km
Château-Arnoux-Saint-Auban Airport 289.4 km
Montauban 291.3 km
Geneva Airport 292.4 km
La Dôle 297.3 km
Perpignan/Rivesalte 297.6 km
Nyon (Changins) 309.2 km
Port-Vendres/Cap Bear 313.5 km
Toulouse/Blagnac 316.5 km
Romorantin-Lanthenay 317.2 km
Embrun 323.5 km
Bière 326.5 km
Briançon 332.7 km
Besançon 336.7 km
Muret - Lherm Aerodrome 337.9 km
Langres Airport 338.6 km
Troyes - Barberey Airport 339.6 km
Bourg-Saint-Maurice 344.8 km
Saint-Mandrier-sur-Mer 349.7 km
Bergerac/Roumanier 356.3 km
Pully 359.0 km
Mathod 361.8 km
Agen/La Garenne 365.4 km
La Fretaz 365.4 km
Hyeres/Le Palyvestr 366.1 km
Le Luc 367.0 km
Villars-Tiercelin 368.1 km
Orléans 369.1 km
Le Bouveret 374.1 km
La Brévine 376.4 km
Aigle 378.3 km
Oron 381.2 km
Saint-Girons 382.8 km
Aérodrome de Blois 383.0 km
Evionnaz 385.3 km
Aérodrome d'Auch 386.6 km
Melun 386.9 km
Angoulême - Cognac Intl. Airport 388.6 km
Girona 389.6 km
Châlons Vatry Airport 391.7 km
Great St Bernard 393.6 km
St Dizier/Robinson 395.8 km
Moléson 396.7 km
La Chaux-de-Fonds 399.4 km
Neuchâtel 399.8 km
Payerne 400.4 km
Châteaudun 401.7 km
Poitiers/Biard 403.4 km
Château-d'Œx 407.0 km
Tours/St Symphorien 407.5 km
Luxeuil-les-Bains 407.6 km
Orly Airport 408.2 km