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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 - Prizzi Distance
Prizzi 1.4 km
Sciacca 39.1 km
Falcone Borsellino Airport 61.6 km
Enna 97.8 km
Trapani 105.2 km
Ustica 110.6 km
Gela 112.3 km
Naval Air Station Sigonella 170.4 km
Catania/Fontanarosa 183.8 km
Pantelleria 188.4 km
Cozzo Spadaro 221.2 km
Luqa/Malta 234.0 km
Messina 243.1 km
Reggio Calabria 251.5 km
Lampedusa 257.0 km
Kelibia Airport 276.3 km
Capri 318.5 km
Zaghonan Magrane 326.4 km
Nabeul 329.0 km
Lamezia Terme 340.1 km
Bonifati 341.1 km
Ponza 350.7 km
Salerno Costa d'Amalfi Airport 354.8 km
Mahdia 355.8 km
Naples/Capodichino 356.0 km
Tunis/Carthage AP 367.2 km
Grazzanise 367.6 km
Monastir Habib Bourguiba Intl. Airport 371.4 km
Monte Scuro 374.9 km
Enfidha 376.0 km
Latronico 385.6 km
Bizerte Airport 405.8 km
Trevico 412.5 km
Latina 419.5 km
Frosinone 424.4 km
Crotone 429.0 km
Kairouan Airport 431.5 km
Campobasso 437.9 km
Pratica di Mare 440.6 km
Sfax/El-Maou AP 446.3 km
Ciampino 450.7 km
Capo Carbonara 460.1 km
Fiumicino Airport 462.2 km
Capo S. Lorenzo 464.2 km
Foggia "Gino Lisa" Airport 464.8 km
Rome/Urbe 470.8 km
Capo Bellavista 477.8 km
Béja 483.3 km
Marina di Ginosa 483.6 km
Amendola 484.4 km
Siliana 485.5 km
Gioia del Colle 510.5 km
Djerba Mellita AP 512.5 km
Cagliari Elmas Airport 512.8 km
Monte Sant'Angelo 513.9 km
Bari/Palese Macchie 524.6 km
Sidi Bouzid 528.7 km
Grottaglie 535.6 km
Vieste 543.2 km
Olbia 555.9 km
Gabès Airport 557.5 km
Medenine 576.8 km
Gabès 583.4 km
Brindisi/Casale 594.5 km
Capo Pertusato 617.0 km
Figari 633.8 km
Solenzara 640.2 km