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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 - Biel/Bienne Distance
Mühleberg 17.9 km
Grenchen 19.1 km
Chasseral 20.4 km
Cressier 23.3 km
Delémont 26.5 km
Zollikofen 28.5 km
Chaumont 31.6 km
Bern-Belp 36.7 km
Koppigen 39.6 km
Gstaad-Skiarea 42.4 km
Fribourg Posieux 42.8 km
Fahy 47.0 km
Neuchâtel 47.1 km
Payerne 49.3 km
La Chaux-de-Fonds 51.3 km
Wimmis 56.4 km
Boltigen 58.2 km
Binningen 58.4 km
EuroAirport Basel Mulhouse Freiburg 59.5 km
Wynau 60.8 km
Langnau im Emmental 65.5 km
Dorans 68.4 km
Moléson 69.8 km
La Brévine 73.1 km
Château-d'Œx 73.2 km
Oron 75.8 km
Rünenberg 77.9 km
Napf 78.1 km
Adelboden 78.3 km
La Fretaz 81.7 km
Villars-Tiercelin 82.5 km
Egolzwil 84.2 km
Obergösgen 84.4 km
Möhlin 85.0 km
Mathod 85.2 km
Interlaken 85.8 km
Müllheim 86.4 km
Schüpfheim 87.3 km
Colmar 88.1 km
Les Diablerets 89.2 km
Le Bouveret 92.7 km
Pully 94.4 km
Crans-Montana 95.1 km
Aigle 95.8 km
Buchs 96.8 km
Blatten 101.3 km
Sion Airport 101.4 km
Jungfraujoch 104.0 km
Fey 104.9 km
Evionnaz 107.9 km
Brugg-Wildegg 108.5 km
Giswil 109.3 km
Mosen 110.1 km
Meiringen 111.5 km
Pilatus 112.5 km
Visp 113.0 km
Les Attelas 114.2 km
Leibstadt 116.3 km
Evolène 116.3 km
Feldberg 117.2 km
Alpnach Airport 117.2 km
Lucerne 117.4 km
Emmen Airport 117.5 km
Freiburg Airport 117.8 km
Beznau 119.0 km
Bière 121.4 km
Eggishorn 122.0 km
Luxeuil-les-Bains 122.3 km
Grächen 122.4 km
Buochs Airport 127.1 km
Mundingen 129.0 km
Engelberg 133.7 km
Lägern 133.7 km
Zermatt 134.1 km
Binn 134.7 km
Cham 135.4 km
Grimsel-Hospiz 135.8 km
Lenzkirch 136.7 km
Ulrichen 136.7 km
Titlis 136.9 km
Wut�schingen-Ofteringen 139.5 km
Nyon (Changins) 139.6 km
Great St Bernard 139.9 km
Gornergrat 140.2 km
Besançon 141.0 km
Pian Rosa 141.7 km
Monte Rosa-Plattje 144.3 km
Reckenholz 144.8 km
Zurich-Kloten 148.1 km
Zürich 148.9 km
Hallau 149.4 km
La Dôle 150.1 km
Lahr 150.3 km
Elzach 152.2 km
Aosta Valley Airport 154.8 km
Altdorf 155.1 km
Hospental 158.1 km
Dübendorf Airport 158.4 km
Geneva Airport 158.7 km
Wädenswil 159.8 km

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