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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 - Terrasini Distance
Falcone Borsellino Airport 3.0 km
Prizzi 60.1 km
Ustica 61.3 km
Sciacca 69.2 km
Trapani 70.7 km
Enna 147.7 km
Gela 171.0 km
Pantelleria 190.8 km
Naval Air Station Sigonella 219.6 km
Catania/Fontanarosa 231.0 km
Kelibia Airport 263.8 km
Messina 274.6 km
Cozzo Spadaro 277.8 km
Reggio Calabria 285.9 km
Capri 287.8 km
Lampedusa 292.6 km
Luqa/Malta 293.5 km
Ponza 300.4 km
Zaghonan Magrane 318.5 km
Zaghonan Magrane 318.5 km
Nabeul 320.5 km
Naples/Capodichino 324.9 km
Grazzanise 332.3 km
Salerno Costa d'Amalfi Airport 335.6 km
Tunis/Carthage AP 348.2 km
Bonifati 348.7 km
Lamezia Terme 361.6 km
Mahdia 365.5 km
Latina 369.4 km
Enfidha 370.8 km
Monastir Habib Bourguiba Intl. Airport 375.0 km
Frosinone 378.3 km
Bizerte Airport 378.5 km
Pratica di Mare 386.8 km
Latronico 387.3 km
Monte Scuro 390.6 km
Trevico 394.0 km
Ciampino 398.3 km
Fiumicino Airport 407.5 km
Campobasso 408.4 km
Capo Carbonara 410.8 km
Capo S. Lorenzo 411.7 km
Rome/Urbe 417.9 km
Guidonia Montecelio 419.6 km
Capo Bellavista 422.5 km
Kairouan Airport 428.5 km
Vigna Di Valle 437.8 km
Civitavecchia 444.4 km
Foggia "Gino Lisa" Airport 447.1 km
Crotone 452.7 km
Sfax/El-Maou AP 459.6 km
Béja 460.9 km
Cagliari Elmas Airport 463.5 km
Rieti 464.7 km
Termoli 467.3 km
Amendola 468.0 km
Monte Terminillo 468.3 km
Siliana 472.1 km
San Giovanni Teatino 478.5 km
Viterbo 479.4 km
Pescara 479.7 km
Marina di Ginosa 488.9 km
Olbia 497.7 km
Monte Sant'Angelo 498.7 km
Monte Argentario 507.9 km
Gioia del Colle 512.6 km
Bari/Palese Macchie 522.1 km
Sidi Bouzid 528.0 km
Vieste 528.9 km
Radicofani 536.8 km
Grottaglie 543.6 km
Grosseto 548.7 km
Capo Pertusato 558.5 km
Figari 575.1 km
Palagruža 576.5 km
Solenzara 580.7 km
Monte Calamita 582.0 km
Calamita 582.8 km
Alistro 598.4 km
Brindisi/Casale 604.4 km
Bastia - Poretta Airport 625.7 km
Lastovo 653.5 km
Neum 717.3 km