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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.


Stazioni meteo nelle vicinanze - Stresa Distanza
Aeroporto di Milano-Malpensa 37.7 km
Novara/Cameri 44.4 km
Locarno-Monti 45.1 km
Lugano Aeroporto 47.0 km
Cardada 47.7 km
Stabio 48.4 km
Cevio 49.5 km
Aeroporto di Locarno 52.2 km
Monte Generoso 57.8 km
Lago di Robièi 62.4 km
Binn 63.3 km
Ulrichen 71.7 km
Piotta 72.6 km
Matro 74.8 km
Eggishorn 75.1 km
Monte Rosa-Plattje 76.7 km
Grimsel-Hospiz 77.5 km
Comprovasco 79.8 km
Gornergrat 80.3 km
Grächen 81.5 km
Hospental 82.8 km
Grono 84.4 km
Zermatt 84.7 km
Naetschen 85.4 km
Visp 86.5 km
Pian Rosa 88.4 km
Jungfraujoch 93.3 km
Blatten 95.8 km
Aeroporto di Milano-Linate 96.7 km
Titlis 98.0 km
Disentis/Sedrun 98.8 km
San Bernardino 99.5 km
Meiringen 100.5 km
Engelberg 103.8 km
Altdorf 111.3 km
Interlaken 111.7 km
Giswil 111.9 km
Evolène 113.2 km
Alpnach Aeroporto 119.1 km
Buochs Aeroporto 120.4 km
Torino/Caselle 120.8 km
Adelboden 124.2 km
Pilatus 124.3 km
Crans-Montana 124.4 km
Ilanz 126.3 km
Torino/Bric Della Croce 126.7 km
Lucerna 128.6 km
Aeroporto di Aosta 129.0 km
Schüpfheim 129.1 km
Crap Masegn 129.8 km
Tinizong-Rona 130.9 km
Aeroporto di Torino-Aeritalia 133.0 km
Emmen Aeroporto 134.9 km
Sion Aeroporto 135.4 km
Vicosoprano 135.7 km
Aeroporto di Bergamo-Orio al Serio 136.0 km
Elm 136.9 km
Piz Martegnas 137.7 km
Napf 138.4 km
Les Attelas 139.1 km
Wimmis 139.6 km
Langnau im Emmental 139.7 km
Einsiedeln 140.5 km
Fey 141.2 km
Glarona 141.4 km
Cham 143.7 km
Passo dei Giovi 145.8 km
Colle del Gran San Bernardo 148.0 km
Lachen 148.1 km
Wädenswil 148.2 km
Boltigen 148.6 km
Valbella 151.5 km
Les Diablerets 152.3 km
Mosen 152.8 km
Sils im Engadin 152.9 km
Egolzwil 153.1 km
Piz Corvatsch 157.9 km
Chur-SME 157.9 km
Berna-Belp 159.3 km
Zurigo 164.7 km
Château-d'Œx 165.1 km
Genova/Sestri 166.0 km
Ebnat-Kappel 167.1 km
Bad Ragaz Aeroporto 167.3 km
Gstaad-Skiarea 167.3 km
Evionnaz 167.3 km
Dübendorf Aeroporto 167.6 km
Zollikofen 168.0 km
Koppigen 168.7 km
Samedan Aeroporto 169.8 km
Reckenholz 170.0 km
Wynau 170.4 km
Hörnli 170.7 km
Buchs 171.6 km
Obergösgen 173.2 km
Piacenza 173.6 km
Zurigo-Kloten 175.8 km
Lägern 176.5 km
Schiers 177.0 km
Vaduz 177.6 km