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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 - Prato Distanza
Firenze/Peretola 14.9 km
Monte Cimone 55.7 km
Bologna/Borgo Panigale 76.7 km
Pisa 80.5 km
Arezzo 95.9 km
Forlì 115.3 km
Ferrara 121.1 km
Grosseto 122.0 km
Sarzana/Luni 124.7 km
Radicofani 130.0 km
Parma 136.9 km
Cervia 141.7 km
Monte Calamita 145.4 km
Monte Calamita 146.9 km
Ravenna/Punta Marina 149.6 km
Monte Argentario 161.9 km
Villafranca 167.9 km
Rimini 171.0 km
Perugia 179.3 km
Frontone 187.0 km
Aeroporto di Padova 187.3 km
Piacenza 189.2 km
Viterbo 189.8 km
Aeroporto di Brescia-Montichiari 190.3 km
Aeroporto di Ghedi 193.8 km
Capo Corso 212.3 km
Civitavecchia 216.7 km
Aeroporto di Venezia-Marco Polo 226.0 km
Istrana 228.2 km
Aeroporto di Bastia Poretta 229.0 km
Treviso 229.8 km
Vigna Di Valle 231.7 km
Alistro 245.9 km
Paganella 249.5 km
Aeroporto di Bergamo-Orio al Serio 250.4 km
Rieti 251.5 km
Passo dei Giovi 253.7 km
Ancona/Falconara 255.6 km
Genova/Sestri 255.8 km
Aeroporto di Roma-Fiumicino 259.4 km
Monte Terminillo 260.7 km
Roma/Urbe 261.4 km
Aeroporto di Milano-Linate 267.6 km
Guidonia Montecelio 274.0 km
Isola Rossa 276.5 km
Passo Rolle 276.7 km
Ciampino 281.8 km
Solenzara 284.1 km
Bolzano 284.5 km
Pratica di Mare 284.5 km
Aviano Aeroporto 290.0 km
Calvi/St Catherine 294.1 km
Kraftwerk Robbia 294.3 km
Passo del Bernina 302.4 km
Santa Maria Val Müstair 308.0 km
Piz Corvatsch 312.7 km
Vicosoprano 316.8 km
Sils im Engadin 317.0 km
Codroipo 317.2 km
Buffalora 317.5 km
Samedan Aeroporto 321.0 km
Monte Generoso 322.3 km
St. Valentin auf der Haide 322.4 km
Latina 323.3 km
Novara/Cameri 324.2 km
Capo Mele 324.8 km
Aeroporto di Milano-Malpensa 325.8 km
Gurgl 327.8 km
Stabio 329.1 km
Portorose 329.6 km
Albenga 329.8 km
Aeroporto di Ajaccio Napoleone Bonaparte 331.4 km
Portorose Aeroporto 331.8 km
Vipiteno 331.8 km
Scuol 332.3 km
Brunnenkogel 333.8 km
Mittelbergferner 335.2 km
Naluns / Schlivera 335.5 km
Aeroporto di Pola 336.3 km
Lugano Aeroporto 336.9 km
Aeroporto di Dobbiaco 337.0 km
Grono 337.9 km
Figari 340.7 km
Ronchi Legionari 341.1 km
Piz Martegnas 343.6 km
Capo Pertusato 346.1 km
Frosinone 346.3 km
Sillian 347.5 km
Davos 350.8 km
Idalpe 351.4 km
Aeroporto di Locarno 351.7 km
Pisino 351.8 km
Tinizong-Rona 352.3 km
Galtür 353.7 km
Weissfluhjoch 354.5 km
Trieste 354.5 km
San Bernardino 354.8 km
Valbella 359.2 km
Locarno-Monti 359.5 km
Nova Gorica 359.8 km