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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 - Maceió Distancia
Maceio/Campo Palmar aeropuerto 16.4 km
São Luís do Quitunde 37.4 km
Coruripe 77.4 km
Palmares 91.7 km
Arapiraca 103.0 km
Palmeira Dos Indios 104.8 km
Garanhuns 111.8 km
Brejo Grande 113.3 km
Garanhuns 115.0 km
Caruaru 133.0 km
Surubim 165.1 km
Recife 168.9 km
Recife Aeropuerto 173.5 km
Aracaju 187.4 km
Arcoverde 189.5 km
Aracaju Aeropuerto 192.9 km
Pão de Açúcar 194.8 km
Cabaceiras 207.2 km
Campina Grande 221.5 km
Campina Grande aeropuerto 222.2 km
Monteiro 224.4 km
Carira 237.0 km
Presidente Castro Pinto aeropuerto 243.5 km
Ibimirim 246.6 km
João Pessoa 248.1 km
Itabaianinha 273.7 km
Paulo Afonso aeropuerto 281.2 km
Camaratuba 284.3 km
Poço Verde 284.5 km
Conde 286.7 km
Patos 290.2 km
Patos 294.4 km
Santa Cruz 312.2 km
Serra Talhada 326.5 km
Cipó 337.8 km
Natal/Augusto Sever aeropuerto 343.6 km
Natal 352.0 km
Euclides da Cunha 375.1 km
Serrinha 410.0 km
Salvador Aeropuerto 410.5 km
Cabrobó 415.2 km
Uauá 422.8 km
Feira de Santana 427.2 km
Salvador 430.5 km
Mossoro/17 Rosado 440.4 km
Barbalha 449.0 km
Queimadas 451.2 km
Barbalha 452.9 km
Jaguaribe 466.4 km
Cruz das Almas 466.7 km
Iguatu 491.2 km
Morada Nova 499.4 km
Valença 501.1 km
Valença 501.1 km
Marau 522.9 km
Amargosa 526.1 km
Quixeramobim 562.2 km