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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 - Casalnuovo di Napoli Distanza
Napoli/Capodichino 7.4 km
Grazzanise 34.7 km
Isola di Capri 42.9 km
Aeroporto di Salerno-Costa d'Amalfi 70.2 km
Campobasso 77.6 km
Trevico 99.4 km
Termoli 137.3 km
Frosinone 140.2 km
Aeroporto di Foggia 143.1 km
Isola di Ponza 155.8 km
San Giovanni Teatino 162.8 km
Pescara 164.5 km
Amendola 166.0 km
Latina 175.4 km
Monte Sant'Angelo 197.2 km
Latronico 206.0 km
Guidonia Montecelio 214.8 km
Ciampino 217.9 km
Bonifati 223.4 km
Monte Terminillo 226.4 km
Vieste 227.4 km
Pratica di Mare 227.7 km
Rieti 233.6 km
Roma/Urbe 234.5 km
Aeroporto di Roma-Fiumicino 253.8 km
Pelagosa 263.6 km
Vigna Di Valle 269.4 km
Bari/Palese Macchie 271.9 km
Ustica 272.2 km
Monte Scuro 284.5 km
Marina di Ginosa 287.3 km
Gioia del Colle 288.0 km
Comisa 299.7 km
Lamezia Terme 302.7 km
Viterbo 304.2 km
Civitavecchia 305.2 km
Ancona/Falconara 311.7 km
Perugia 312.2 km
Messina 321.3 km
Aeroporto di Palermo-Punta Raisi 327.8 km
Frontone 334.4 km
Lesina 336.1 km
Reggio Calabria 338.9 km
Grottaglie 342.2 km
Lagosta 346.4 km
Sebenico 349.3 km
Aeroporto di Spalato-Castelli 355.6 km
Zara 358.7 km
Radicofani 359.1 km
Prizzi 360.1 km
Aeroporto di Zara-Zemonico 360.9 km
Enna 361.4 km
Marjan 361.6 km
Crotone 365.6 km
Catania/Fontanarosa 379.6 km
Base aerea di Sigonella 384.0 km
Aeroporto di Trapani-Birgi 385.3 km
Rimini 387.7 km
Monte Argentario 388.3 km
Lussinpiccolo 390.2 km
Macarsca 391.0 km
Arezzo 392.3 km
Sciacca 392.4 km
Brindisi/Casale 401.8 km
Gospić 407.0 km
Porto Tolero 412.8 km
Gela 413.8 km
Grosseto 416.2 km
Arbe 416.6 km
Neum 420.3 km
Cervia 424.3 km
Zavizan 425.9 km
Lecce 429.3 km
Livno 431.1 km
Aeroporto di Pola 432.1 km
Forlì 437.3 km
Segna 442.3 km
Ravenna/Punta Marina 445.6 km
Bihać 452.5 km
Ragusa 454.9 km
Santa Maria di Leuca 459.8 km
Mostar 463.9 km
Cozzo Spadaro 464.0 km
Firenze/Peretola 470.0 km
Aeroporto di Ragusa-Čilipi 470.5 km
Monte Calamita 482.0 km
Bugojno 483.8 km
Monte Calamita 483.9 km
Sanski Most 488.8 km
Jajce 490.5 km
Ivan Sedlo 510.8 km
Teodo 513.0 km
Pantelleria 517.6 km
Bologna/Borgo Panigale 519.0 km
Ferrara 522.5 km
Banja Luka 522.8 km
Bjelašnica 528.7 km
Zenica 529.8 km
Zenica 529.8 km
Pisa 534.3 km