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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 - Alcácer do Sal Distancia
Sines/Montes Chaos 61.4 km
Évora 69.3 km
Montijo 69.8 km
Base Aérea de Beja 72.9 km
Beja 79.9 km
Lisboa/Geof 82.0 km
Alverca do Ribatejo 82.2 km
Lisboa 82.5 km
Lisboa aeropuerto 84.2 km
Sintra Air Base — inglês 106.5 km
Portalegre 157.3 km
Sagres 158.5 km
Faro 160.1 km
Monte Real 166.9 km
Badajoz aeropuerto 195.9 km
Coímbra 196.4 km
Castelo Branco 197.4 km
Huelva 213.8 km
Penhas Douradas 249.5 km
Viseu Airport 267.9 km
Cáceres 270.0 km
Ovar Aeropuerto 281.1 km
Ovar 281.1 km
Coria/Tabacoa 281.8 km
Dos Hermanas Aeropuerto 301.8 km
Rota 305.3 km
Sevilla 308.5 km
Oporto/Pedras Rubras 316.2 km
Cádiz 319.1 km
Jerez de la Frontera 324.4 km
Plasencia 326.3 km
San Fernando 331.0 km
Vila Real Airport 332.1 km
Morón de la Frontera 348.0 km
Viana do Castelo 361.1 km
Vitigudino 372.8 km
Hinojosa del Duque 377.0 km
La Hoya 382.2 km
Tangier/Boukhalf aeropuerto 410.3 km
Córdoba 410.8 km
Tarifa 415.4 km
Vigo/Peinador 424.1 km
Braganza 426.8 km
Gibraltar 427.7 km
Larache 439.2 km
Salamanca 439.3 km
Orense 442.7 km
Ceuta 447.1 km
Pontevedra 448.4 km
Zamora 464.6 km
Tetuán-Sania Ramel aeropuerto 467.3 km
Málaga-Costa del Sol aeropuerto 485.0 km
Andújar 495.0 km
Ávila 495.1 km
Santiago de Compostela 496.5 km
Santiago-Rosalía de Castro aeropuerto 497.9 km
Chauen 500.4 km
Ponferrada 506.9 km
Benavente 511.4 km
Rabat/Sale aeropuerto 513.9 km
Toledo 523.0 km
Valladolid aeropuerto 548.8 km
Valladolid 551.8 km
León 563.6 km
Segovia 565.5 km
Navacerrada 566.2 km