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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 - Marsala Distance
Trapani 14.0 km
Sciacca 83.2 km
Falcone Borsellino Airport 83.8 km
Prizzi 111.0 km
Pantelleria 119.0 km
Ustica 128.7 km
Kelibia Airport 182.5 km
Enna 207.5 km
Gela 213.2 km
Zaghonan Magrane 238.0 km
Nabeul 239.8 km
Lampedusa 250.6 km
Tunis/Carthage AP 266.7 km
Naval Air Station Sigonella 279.8 km
Enfidha 290.7 km
Mahdia 293.2 km
Catania/Fontanarosa 293.5 km
Monastir Habib Bourguiba Intl. Airport 298.7 km
Bizerte Airport 299.2 km
Luqa/Malta 310.9 km
Cozzo Spadaro 323.9 km
Ponza 343.3 km
Kairouan Airport 348.9 km
Messina 349.6 km
Capo Carbonara 354.9 km
Capri 356.9 km
Reggio Calabria 359.2 km
Capo S. Lorenzo 363.1 km
Béja 380.1 km
Capo Bellavista 381.9 km
Sfax/El-Maou AP 388.6 km
Siliana 390.4 km
Naples/Capodichino 392.9 km
Grazzanise 396.3 km
Tabarka 405.9 km
Cagliari Elmas Airport 407.3 km
Latina 410.6 km
Salerno Costa d'Amalfi Airport 411.3 km
Pratica di Mare 418.5 km
Decimomannu 421.5 km
Frosinone 427.0 km
Jendouba Airport 429.3 km
Bonifati 430.4 km
Ciampino 433.2 km
Fiumicino Airport 435.6 km
Lamezia Terme 441.1 km
Sidi Bouzid 448.8 km
Rome/Urbe 451.5 km
El Kef 453.8 km
Djerba Mellita AP 467.3 km
Latronico 468.8 km
Olbia 469.2 km
Trevico 469.6 km
Monte Scuro 471.5 km
Campobasso 476.5 km
Thala 484.6 km
Capo Frasca 490.4 km
Kasserine 493.5 km
Gabès Airport 500.3 km
Foggia "Gino Lisa" Airport 522.7 km
Gabès 525.1 km
Medenine 531.8 km
Capo Pertusato 531.9 km
Amendola 544.1 km
Cheikh Larbi Tébessa Airport 546.8 km
Gafsa Airport 546.9 km
Figari 549.2 km
Alghero 556.5 km
Solenzara 562.5 km
Capo Caccia 563.4 km
Marina di Ginosa 570.6 km
Monte Sant'Angelo 575.2 km
Kebili 591.6 km
Gioia del Colle 594.1 km
Bari/Palese Macchie 602.8 km
Ajaccio Napoleon Bonaparte Airport 605.7 km
Vieste 605.7 km
Tozeur/Nefta AP 643.1 km