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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 - Παλέρμο Απόσταση
Falcone Borsellino Airport 24.7 km
Prizzi 43.3 km
Σκιάτσα 66.4 km
Ούστικα 67.2 km
Trapani 92.2 km
Έννα 123.7 km
Τζέλα 150.0 km
Naval Air Station Sigonella 195.2 km
Pantelleria 203.5 km
Catania/Fontanarosa 206.5 km
Μεσσήνη 250.7 km
Cozzo Spadaro 255.0 km
Ρέτζο Καλάμπρια 261.6 km
Luqa/Malta 276.5 km
Kelibia Airport 281.8 km
Κάπρι 283.2 km
Λαμπεντούζα 292.6 km
Πόντσα 307.8 km
Naples/Capodichino 320.6 km
Salerno Costa d'Amalfi Airport 325.9 km
Bonifati 329.8 km
Grazzanise 330.3 km
Zaghonan Magrane 335.3 km
Zaghonan Magrane 335.3 km
Ναμπέλ 337.5 km
Λαμετσία Τέρμε 339.5 km
Tunis/Carthage Airport 368.2 km
Monte Scuro 369.7 km
Latronico 370.2 km
Αλ-Μαχντίγια 376.6 km
Latina 376.7 km
Φροζινόνε 382.8 km
Trevico 384.2 km
Enfidha 386.9 km
Monastir Habib Bourguiba International Airport 388.3 km
Pratica di Mare 397.2 km
Μπιζέρτα Αεροδρόμιο 400.5 km
Καμπομπάσσο 403.5 km
Ciampino 407.5 km
Αεροδρόμιο της Ρώμης-Φιουμιτσίνο 418.7 km
Rome/Urbe 427.5 km
Guidonia Montecelio 427.7 km
Κρότωνας 430.3 km
Capo Carbonara 435.5 km
Capo S. Lorenzo 436.1 km
Foggia "Gino Lisa" Airport 437.0 km
Καϊρουάν Αεροδρόμιο 444.1 km
Capo Bellavista 446.4 km
Vigna Di Valle 448.8 km
Amendola 457.4 km
Civitavecchia 457.5 km
Τέρμολι 461.5 km
Sfax/El-Maou Airport 469.6 km
Marina di Ginosa 471.0 km
Ριέτι 471.8 km
Monte Terminillo 474.7 km
San Giovanni Teatino 477.9 km
Πεσκάρα 479.1 km
Μπετζά 481.9 km
Monte Sant'Angelo 487.8 km
Αεροδρόμιο του Κάλιαρι-Έλμας 488.2 km
Βιτέρμπο 490.8 km
Σιλγιάνα 490.9 km
Gioia del Colle 495.7 km
Bari/Palese Macchie 506.6 km
Vieste 517.7 km
Όλμπια 520.3 km
Monte Argentario 523.2 km
Grottaglie 525.0 km
Σιντί Μπουζίντ 543.1 km
Radicofani 548.8 km
Γκροσσέτο 563.7 km
Παλαγκρούζα 566.3 km
Capo Pertusato 580.7 km
Brindisi/Casale 585.3 km
Figari 597.2 km
Monte Calamita 599.1 km
Calamita 600.0 km
Solenzara 601.6 km
Alistro 618.4 km
Λάστοβο 642.1 km
Bastia - Poretta Airport 645.4 km
Νέουμ 704.3 km