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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 - Viareggio Distance
Pisa 26.1 km
Sarzana/Luni 36.6 km
Monte Cimone 63.1 km
Parma 104.2 km
Florence/Peretola 107.9 km
Monte Calamita 125.5 km
Calamita 125.6 km
Piacenza 127.9 km
Cap Corse 134.4 km
Bologna/Borgo 139.3 km
Grosseto 153.4 km
Genova/Sestri 165.4 km
Bastia - Poretta Airport 166.5 km
Giovi Pass 167.4 km
Brescia Airport 171.5 km
Ghedi Air Base 171.5 km
Villafranca 181.0 km
Arezzo 185.2 km
Ferrara 186.8 km
Alistro 192.0 km
Monte Argentario 192.5 km
L'Île-Rousse 199.5 km
Radicofani 200.7 km
Linate Airport 205.6 km
Orio al Serio Intl. Airport 206.7 km
Forlì 207.3 km
Calvi/St Catherine 217.3 km
Capo Mele 230.2 km
Solenzara 233.1 km
Cervia 234.1 km
Albenga 235.5 km
Point Marina/Ravenna 238.7 km
Padua Airport 245.4 km
Novara / Cameri 251.5 km
Viterbo 255.7 km
Milan Malpensa Airport 256.1 km
Monte Generoso 263.6 km
Paganella 265.2 km
Rimini 265.3 km
Ajaccio Napoleon Bonaparte Airport 266.2 km
Perugia 266.4 km
Civitavecchia 268.0 km
Stabio 268.5 km
Kraftwerk Robbia 272.4 km
Monte Malanotte 274.1 km
Mondovì 275.0 km
Lugano Airport 277.0 km
Bernina 279.6 km
Frontone 280.3 km
Vicosoprano 280.8 km
Piz Corvatsch 283.4 km
Sils im Engadin/Segl 286.1 km
Istrana 287.3 km
Grono 287.9 km
Figari 288.8 km
Treviso 291.6 km
Locarno Airport 293.9 km
Venice Marco Polo Airport 294.0 km
Vigna Di Valle 294.2 km
Samedan Airport 294.9 km
Capo Pertusato 298.2 km
Locarno/Monti 300.0 km
Santa Maria Val Müstair 300.4 km
Cuneo Intl. Airport 300.4 km
Cimetta 302.3 km
Buffalora 304.7 km
Turin / Bric della Croce 306.4 km
Piz Martegnas 307.4 km
San Bernardino 308.3 km
Bolzano 308.6 km
Tinizong-Rona 313.8 km
Matro 314.9 km
Rolle 317.0 km
Fiumicino Airport 317.4 km
St. Valentin auf der Haide 318.8 km
Comprovasco 319.2 km
Scuol 320.6 km
Turin-Aeritalia Airport 322.0 km
Torino/Caselle 323.0 km
Naluns / Schlivera 323.2 km
Cevio 324.9 km
Valbella 325.6 km
Davos 325.9 km
Rome/Urbe 327.5 km
Weissfluhjoch 328.7 km
Rieti 330.9 km
Olbia 335.0 km
Nice 336.7 km
Piotta 338.3 km
Chur-Ems 338.6 km
Ilanz 338.6 km
Galtür 339.8 km
Gurgl 339.8 km
Brunnenkogel 340.6 km
Idalpe 341.5 km
Monte Terminillo 342.1 km
Lago di Robièi 342.1 km
Mittelbergferner 342.5 km
Pratica di Mare 344.2 km
Guidonia Montecelio 344.8 km