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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 - Preturo Distanza
Monte Terminillo 36.9 km
Rieti 50.5 km
Guidonia Montecelio 74.6 km
Frosinone 79.4 km
Latina 99.1 km
Roma/Urbe 99.7 km
Pescara 100.4 km
San Giovanni Teatino 101.6 km
Ciampino 101.8 km
Perugia 118.2 km
Pratica di Mare 123.9 km
Vigna Di Valle 125.1 km
Aeroporto di Roma-Fiumicino 133.2 km
Ancona/Falconara 135.6 km
Viterbo 139.3 km
Frontone 140.1 km
Isola di Ponza 162.0 km
Grazzanise 166.0 km
Civitavecchia 167.2 km
Campobasso 173.4 km
Radicofani 180.3 km
Termoli 193.3 km
Napoli/Capodichino 194.6 km
Rimini 195.0 km
Arezzo 200.8 km
Isola di Capri 220.5 km
Cervia 229.9 km
Monte Argentario 237.2 km
Forlì 241.8 km
Ravenna/Punta Marina 252.1 km
Grosseto 252.1 km
Trevico 257.9 km
Aeroporto di Salerno-Costa d'Amalfi 260.2 km
Lussinpiccolo 267.7 km
Aeroporto di Foggia 268.4 km
Firenze/Peretola 281.0 km
Aeroporto di Pola 282.6 km
Amendola 283.6 km
Zara 285.0 km
Aeroporto di Zara-Zemonico 295.3 km
Monte Sant'Angelo 303.2 km
Arbe 305.9 km
Comisa 318.8 km
Pisino 319.1 km
Vieste 323.0 km
Zavizan 324.1 km
Bologna/Borgo Panigale 324.2 km
Monte Calamita 325.3 km
Sebenico 326.4 km
Ferrara 327.1 km
Monte Calamita 327.5 km
Pelagosa 327.6 km
Gospić 329.2 km
Segna 334.0 km
Portorose Aeroporto 338.4 km
Aeroporto di Fiume 338.9 km
Portorose 342.4 km
Fiume 345.3 km
Monte Cimone 351.2 km
Pisa 355.0 km
Aeroporto di Venezia-Marco Polo 356.7 km
Aeroporto di Spalato-Castelli 357.1 km
Trieste 358.9 km
Lesina 361.1 km
Aeroporto di Padova 366.7 km
Marjan 369.1 km
Ronchi Legionari 374.2 km
Treviso 377.5 km
Parg 378.8 km
Ogulin 379.7 km
Postumia 380.8 km
Istrana 384.1 km
Nova Gorica 384.3 km
Latronico 389.8 km
Bihać 390.3 km
Codroipo 392.2 km
Kočevje 394.3 km
Ustica 396.8 km
Voschia 401.5 km
Črnomelj 402.0 km
Lagosta 403.1 km
Aviano Aeroporto 404.8 km
Bari/Palese Macchie 409.8 km
Sarzana/Luni 413.9 km
Bonifati 415.9 km
Alistro 419.4 km
Topol pri Medvodah 420.0 km
Karlovac 420.5 km
Lubiana 421.8 km
Aeroporto di Bastia Poretta 425.3 km
Villafranca 425.6 km
Novo Mesto 425.6 km
Macarsca 425.7 km
Vogel 426.0 km
Parma 429.0 km
Aeroporto di Lubiana-Brnik 436.3 km
Solenzara 436.9 km
Kredarica 438.9 km
Gioia del Colle 439.5 km
Capo Corso 442.4 km