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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 - Mount Circeo Distance
Latina 40.5 km
Ponza 40.6 km
Frosinone 46.3 km
Ciampino 82.9 km
Pratica di Mare 87.6 km
Guidonia Montecelio 91.9 km
Rome/Urbe 102.7 km
Grazzanise 107.9 km
Fiumicino Airport 114.5 km
Rieti 131.0 km
Monte Terminillo 132.8 km
Vigna Di Valle 135.2 km
Naples/Capodichino 136.6 km
Capri 142.4 km
Civitavecchia 166.3 km
Campobasso 174.1 km
Viterbo 175.0 km
San Giovanni Teatino 175.6 km
Pescara 175.9 km
Perugia 210.5 km
Salerno Costa d'Amalfi Airport 211.0 km
Termoli 224.8 km
Radicofani 234.0 km
Trevico 236.6 km
Monte Argentario 249.6 km
Frontone 249.7 km
Ancona/Falconara 258.0 km
Foggia "Gino Lisa" Airport 269.9 km
Ustica 275.7 km
Arezzo 279.1 km
Grosseto 280.6 km
Amendola 291.0 km
Rimini 305.8 km
Monte Sant'Angelo 319.0 km
Falcone Borsellino Airport 333.3 km
Cervia 335.3 km
Forlì 341.1 km
Monte Calamita 342.9 km
Calamita 344.7 km
Vieste 346.2 km
Latronico 346.4 km
Florence/Peretola 350.0 km
Bonifati 357.2 km
Point Marina/Ravenna 359.2 km
Trapani 368.7 km
Palagruža 369.1 km
Komiža 383.2 km
Prizzi 383.7 km
Mali Lošinj 385.5 km
Zadar 388.2 km
Zadar Airport 395.9 km
Olbia 402.6 km
Pisa 403.6 km
Pula Airport 405.0 km
Sciacca 405.1 km
Capo Bellavista 405.3 km
Bari/Palese Macchie 408.4 km
Bologna/Borgo 410.5 km
Šibenik 410.8 km
Alistro 414.0 km
Monte Cimone 418.5 km
Enna 419.0 km
Monte Scuro 419.7 km
Solenzara 420.1 km
Rab 421.5 km
Ferrara 423.9 km
Hvar 424.5 km
Messina 426.1 km
Gioia del Colle 428.0 km
Bastia - Poretta Airport 428.7 km
Marina di Ginosa 429.0 km
Lamezia Terme 430.9 km
Split Airport 431.8 km
Capo S. Lorenzo 432.7 km
Gospić 435.3 km
Zavizan 437.6 km
Capo Pertusato 438.0 km
Marjan 441.4 km
Pazin 441.7 km
Reggio Calabria 444.2 km
Figari 448.2 km
Senj 449.4 km
Lastovo 451.7 km
Rijeka Airport 458.3 km
Cap Corse 458.4 km
Portorož Airport 461.0 km
Naval Air Station Sigonella 461.6 km
Catania/Fontanarosa 461.7 km
Capo Carbonara 464.5 km
Portorož 464.8 km
Rijeka 465.9 km
Sarzana/Luni 466.0 km
Gela 467.0 km
Venice Marco Polo Airport 469.6 km
Padua Airport 472.2 km
Trieste 481.6 km
Grottaglie 483.3 km
Makarska 486.6 km
Treviso 489.1 km
Bihać 492.5 km