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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 - Arzachena Distance
Olbia 24.8 km
Capo Pertusato 38.8 km
Figari 56.3 km
Solenzara 93.4 km
Ajaccio Napoleon Bonaparte Airport 113.2 km
Alghero 129.7 km
Capo Bellavista 130.5 km
Alistro 133.1 km
Capo Caccia 144.5 km
Bastia - Poretta Airport 163.7 km
Calvi/St Catherine 173.5 km
Capo S. Lorenzo 174.7 km
Capo Frasca 176.1 km
L'Île-Rousse 179.3 km
Decimomannu 193.8 km
Cagliari Elmas Airport 203.2 km
Cap Corse 212.9 km
Calamita 214.5 km
Monte Calamita 216.0 km
Capo Carbonara 216.2 km
Monte Argentario 247.4 km
Grosseto 264.2 km
Civitavecchia 294.3 km
Pisa 308.5 km
Fiumicino Airport 329.6 km
Viterbo 334.0 km
Radicofani 334.1 km
Vigna Di Valle 335.5 km
Sarzana/Luni 338.1 km
Capo Mele 344.2 km
Pratica di Mare 347.3 km
Albenga 355.7 km
Rome/Urbe 362.0 km
Florence/Peretola 362.3 km
Ciampino 366.5 km
Nice 372.6 km
Genova/Sestri 372.7 km
Monte Cimone 373.5 km
Arezzo 381.3 km
Cannes 382.4 km
Guidonia Montecelio 388.4 km
Monte Malanotte 391.4 km
Giovi Pass 394.9 km
Latina 396.9 km
Ponza 399.2 km
Mondovì 403.8 km
Perugia 412.6 km
Rieti 415.2 km
Le Luc 419.0 km
Bizerte Airport 421.7 km
Hyeres/Le Palyvestr 422.5 km
Parma 423.8 km
Piacenza 424.6 km
Cuneo Intl. Airport 428.5 km
Monte Terminillo 430.6 km
Bologna/Borgo 436.4 km
Frosinone 442.2 km
Saint-Mandrier-sur-Mer 442.2 km
Forlì 455.8 km
Frontone 460.0 km
Turin / Bric della Croce 473.0 km
Cervia 475.7 km
Ferrara 482.4 km
Linate Airport 482.9 km
Turin-Aeritalia Airport 484.1 km
Rimini 484.4 km
Ghedi Air Base 489.2 km
Trapani 489.6 km
Brescia Airport 490.3 km
Point Marina/Ravenna 493.4 km
Torino/Caselle 493.8 km
Novara / Cameri 495.4 km
Ustica 496.2 km
Embrun 500.7 km
Château-Arnoux-Saint-Auban Airport 501.4 km
Villafranca 502.3 km
Milan Malpensa Airport 506.7 km
Orio al Serio Intl. Airport 507.2 km
Falcone Borsellino Airport 521.0 km
Briançon 521.1 km
Ancona/Falconara 525.1 km
Marseille Provence Airport 531.1 km
Monte Generoso 535.6 km
Stabio 536.3 km
Padua Airport 548.3 km
Salon-de-Provence 551.2 km
Aosta Valley Airport 560.9 km
Monte Rosa-Plattje 565.3 km
Pian Rosa 566.9 km
Gornergrat 569.1 km
Sciacca 570.6 km
Bourg-Saint-Maurice 578.8 km
Prizzi 580.9 km
Great St Bernard 582.7 km
Carpentras 584.7 km
Venice Marco Polo Airport 586.5 km
Istrana 589.5 km
Treviso 591.2 km
Grenonble Lvd Airport 602.9 km
Chambery/Aix Bains 636.4 km