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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.


Estaciones meteorológicas cercanas - Caltanissetta Distancia
Enna 25.7 km
Gela 46.3 km
Prizzi 75.7 km
Base Aérea de Sigonella 95.0 km
Sciacca 104.7 km
Catania/Fontanarosa 109.5 km
Palermo-Punta Raisi aeropuerto 132.0 km
Cozzo Spadaro 146.7 km
Ustica 165.3 km
Trapani-Birgi aeropuerto 181.5 km
Luqa/Malta 182.2 km
Mesina 182.2 km
Regio de Calabria 187.1 km
Pantelaria 244.3 km
Lampedusa 269.8 km
Lamezia Terme 286.8 km
Bonifati 303.8 km
Monte Scuro 327.0 km
Isla de Capri 331.4 km
Kélibia Aeropuerto 339.2 km
Salerno Costa d'Amalfi aeropuerto 350.9 km
Latronico 353.9 km
Naples/Capodichino 368.0 km
Crotona 371.4 km
Zaghonan Magrane 384.7 km
Grazzanise 385.1 km
Nabeul 387.7 km
Isla de Ponza 391.9 km
Mahdía 397.4 km
Trevico 405.5 km
Monastir-Habib Burguiba aeropuerto 418.7 km
Enfidha 431.1 km
Tunis/Carthage aeropuerto 432.5 km
Marina di Ginosa 445.1 km
Campobasso 445.1 km
Foggia "Gino Lisa" aeropuerto 455.4 km
Frosinone 456.9 km
Latina 459.0 km
Amendola 472.8 km
Gioia del Colle 475.2 km
Sfax/El-Maou aeropuerto 482.0 km
Cairuán Aeropuerto 483.8 km
Pratica di Mare 486.7 km
Grottaglie 493.2 km
Ciampino 494.2 km
Bari/Palese Macchie 494.8 km
Monte Sant'Angelo 500.2 km
Roma-Fiumicino aeropuerto 510.2 km
Rome/Urbe 514.7 km
Vieste 527.8 km
Santa María de Leuca 537.1 km
Djerba Mellita aeropuerto 538.0 km
Lecce 541.4 km
Brindisi/Casale 549.2 km
Gabes Aeropuerto 590.3 km
Medenine 601.0 km