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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 - Mértola Distancia
Beja 48.6 km
Base Aérea de Beja 55.3 km
Faro 75.8 km
Huelva 92.9 km
Évora 102.6 km
Sines/Montes Chaos 138.1 km
Sagres 159.0 km
Badajoz aeropuerto 167.4 km
Rota 182.4 km
Portalegre 184.2 km
Dos Hermanas Aeropuerto 189.0 km
Montijo 192.2 km
Cádiz 196.2 km
Sevilla 198.9 km
Jerez de la Frontera 203.1 km
Lisboa/Geof 203.7 km
Lisboa 205.0 km
Alverca do Ribatejo 205.2 km
Lisboa aeropuerto 206.7 km
San Fernando 208.0 km
Sintra Air Base — inglês 228.2 km
Morón de la Frontera 234.4 km
Castelo Branco 243.6 km
Cáceres 251.1 km
Monte Real 277.6 km
Tangier/Boukhalf aeropuerto 287.7 km
Coria/Tabacoa 289.5 km
Coímbra 291.3 km
Tarifa 292.5 km
Hinojosa del Duque 300.2 km
Gibraltar 305.6 km
Penhas Douradas 307.4 km
Córdoba 314.8 km
Plasencia 319.2 km
Larache 320.1 km
Ceuta 324.3 km
Viseu Airport 340.9 km
Tetuán-Sania Ramel aeropuerto 344.2 km
Málaga-Costa del Sol aeropuerto 370.2 km
La Hoya 372.8 km
Ovar 377.5 km
Ovar Aeropuerto 377.8 km
Chauen 377.8 km
Vitigudino 399.2 km
Vila Real Airport 401.7 km
Andújar 403.0 km
Rabat/Sale aeropuerto 408.2 km
Oporto/Pedras Rubras 412.5 km
Jaén 429.9 km
Granada Aeropuerto 435.8 km
Salamanca 439.0 km
Ciudad Real 443.4 km
Casablanca Aeropuerto 448.7 km
Viana do Castelo 458.4 km
Almagro Aeropuerto 460.8 km
Nouaceur Aeropuerto 470.9 km
Braganza 471.8 km
Ávila 471.9 km
Toledo 473.4 km
Meknes/Bassatine aeropuerto 477.8 km
Zamora 480.2 km
Cherif Al Idrissi aeropuerto 504.1 km
Fez-Saïss aeropuerto 506.7 km
Madrid-Cuatro Vientos aeropuerto 527.9 km
Base Aérea de Getafe 529.1 km
Navacerrada 535.5 km
Madrid , University 538.5 km
Segovia 539.4 km
Madrid , Retiro 540.2 km
Valladolid aeropuerto 548.9 km
Valladolid 549.3 km
Colmenar Viejo Aeropuerto 550.8 km
Madrid/Barajas 554.9 km
Taza Aeropuerto 556.5 km
Madrid- Torrejón aeropuerto 565.7 km
Nador aeropuerto 593.7 km
Guadalajara 601.2 km